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-rw-r--r--system/database/drivers/cubrid/cubrid_driver.php600
-rw-r--r--system/database/drivers/cubrid/cubrid_forge.php199
-rw-r--r--system/database/drivers/cubrid/cubrid_result.php124
-rw-r--r--system/database/drivers/cubrid/cubrid_utility.php82
-rw-r--r--system/database/drivers/ibase/ibase_driver.php441
-rw-r--r--system/database/drivers/ibase/ibase_forge.php194
-rw-r--r--system/database/drivers/ibase/ibase_result.php155
-rw-r--r--system/database/drivers/ibase/ibase_utility.php62
-rw-r--r--system/database/drivers/ibase/index.html10
-rw-r--r--system/database/drivers/mssql/mssql_driver.php515
-rw-r--r--system/database/drivers/mssql/mssql_forge.php190
-rw-r--r--system/database/drivers/mssql/mssql_result.php91
-rw-r--r--system/database/drivers/mssql/mssql_utility.php77
-rw-r--r--system/database/drivers/mysql/mysql_driver.php569
-rw-r--r--system/database/drivers/mysql/mysql_forge.php178
-rw-r--r--system/database/drivers/mysql/mysql_result.php108
-rw-r--r--system/database/drivers/mysql/mysql_utility.php122
-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php561
-rw-r--r--system/database/drivers/mysqli/mysqli_forge.php191
-rw-r--r--system/database/drivers/mysqli/mysqli_result.php102
-rw-r--r--system/database/drivers/mysqli/mysqli_utility.php191
-rw-r--r--system/database/drivers/oci8/oci8_driver.php607
-rw-r--r--system/database/drivers/oci8/oci8_forge.php188
-rw-r--r--system/database/drivers/oci8/oci8_result.php234
-rw-r--r--system/database/drivers/oci8/oci8_utility.php75
-rw-r--r--system/database/drivers/odbc/odbc_driver.php449
-rw-r--r--system/database/drivers/odbc/odbc_forge.php200
-rw-r--r--system/database/drivers/odbc/odbc_result.php216
-rw-r--r--system/database/drivers/odbc/odbc_utility.php89
-rw-r--r--system/database/drivers/pdo/index.html10
-rw-r--r--system/database/drivers/pdo/pdo_driver.php426
-rw-r--r--system/database/drivers/pdo/pdo_forge.php168
-rw-r--r--system/database/drivers/pdo/pdo_result.php219
-rw-r--r--system/database/drivers/pdo/pdo_utility.php54
-rw-r--r--system/database/drivers/pdo/subdrivers/index.html10
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_4d_driver.php223
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php189
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php265
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php262
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php262
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_informix_driver.php271
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php217
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_oci_driver.php230
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php268
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php341
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php167
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php299
-rw-r--r--system/database/drivers/postgre/postgre_driver.php647
-rw-r--r--system/database/drivers/postgre/postgre_forge.php254
-rw-r--r--system/database/drivers/postgre/postgre_result.php86
-rw-r--r--system/database/drivers/postgre/postgre_utility.php76
-rw-r--r--system/database/drivers/sqlite/sqlite_driver.php445
-rw-r--r--system/database/drivers/sqlite/sqlite_forge.php191
-rw-r--r--system/database/drivers/sqlite/sqlite_result.php110
-rw-r--r--system/database/drivers/sqlite/sqlite_utility.php84
-rw-r--r--system/database/drivers/sqlite3/index.html10
-rw-r--r--system/database/drivers/sqlite3/sqlite3_driver.php362
-rw-r--r--system/database/drivers/sqlite3/sqlite3_forge.php211
-rw-r--r--system/database/drivers/sqlite3/sqlite3_result.php181
-rw-r--r--system/database/drivers/sqlite3/sqlite3_utility.php54
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php510
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_forge.php196
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_result.php100
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_utility.php85
64 files changed, 8509 insertions, 5794 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index d01140412..a3d0287f5 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -2,24 +2,34 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author Esen Sagynov
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 2.0.2
+ * @since Version 2.1
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CUBRID Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
@@ -30,151 +40,128 @@
*/
class CI_DB_cubrid_driver extends CI_DB {
- // Default CUBRID Broker port. Will be used unless user
- // explicitly specifies another one.
- const DEFAULT_PORT = 33000;
-
- var $dbdriver = 'cubrid';
+ public $dbdriver = 'cubrid';
// The character used for escaping - no need in CUBRID
- var $_escape_char = '';
+ protected $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in CUBRID
- var $_like_escape_str = '';
- var $_like_escape_chr = '';
+ protected $_like_escape_str = '';
+ protected $_like_escape_chr = '';
- /**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
- */
- var $_count_string = 'SELECT COUNT(*) AS ';
- var $_random_keyword = ' RAND()'; // database specific random keyword
+ protected $_random_keyword = ' RAND()'; // database specific random keyword
- /**
- * Non-persistent database connection
- *
- * @access private called by the base class
- * @return resource
- */
- function db_connect()
- {
- // If no port is defined by the user, use the default value
- if ($this->port == '')
- {
- $this->port = self::DEFAULT_PORT;
- }
+ // CUBRID-specific properties
+ public $auto_commit = TRUE;
- $conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password);
+ public function __construct($params)
+ {
+ parent::__construct($params);
- if ($conn)
+ if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:[^:]*:[^:]*:(\?.+)?$/', $this->dsn, $matches))
{
- // Check if a user wants to run queries in dry, i.e. run the
- // queries but not commit them.
- if (isset($this->auto_commit) && ! $this->auto_commit)
+ if (stripos($matches[2], 'autocommit=off') !== FALSE)
{
- cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE);
- }
- else
- {
- cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE);
- $this->auto_commit = TRUE;
+ $this->auto_commit = FALSE;
}
}
+ else
+ {
+ // If no port is defined by the user, use the default value
+ empty($this->port) OR $this->port = 33000;
+ }
+ }
- return $conn;
+ /**
+ * Non-persistent database connection
+ *
+ * @return resource
+ */
+ public function db_connect()
+ {
+ return $this->_cubrid_connect();
}
// --------------------------------------------------------------------
/**
* Persistent database connection
+ *
* In CUBRID persistent DB connection is supported natively in CUBRID
* engine which can be configured in the CUBRID Broker configuration
* file by setting the CCI_PCONNECT parameter to ON. In that case, all
* connections established between the client application and the
- * server will become persistent. This is calling the same
- * @cubrid_connect function will establish persisten connection
- * considering that the CCI_PCONNECT is ON.
+ * server will become persistent.
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
- return $this->db_connect();
+ return $this->_cubrid_connect(TRUE);
}
// --------------------------------------------------------------------
/**
- * Reconnect
+ * CUBRID connection
*
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
+ * A CUBRID-specific method to create a connection to the database.
+ * Except for determining if a persistent connection should be used,
+ * the rest of the logic is the same for db_connect() and db_pconnect().
*
- * @access public
- * @return void
+ * @param bool
+ * @return resource
*/
- function reconnect()
+ protected function _cubrid_connect($persistent = FALSE)
{
- if (cubrid_ping($this->conn_id) === FALSE)
+ if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:([^:]*):([^:]*):(\?.+)?$/', $this->dsn, $matches))
{
- $this->conn_id = FALSE;
+ $_temp = ($persistent !== TRUE) ? 'cubrid_connect_with_url' : 'cubrid_pconnect_with_url';
+ $conn_id = ($matches[2] === '' && $matches[3] === '' && $this->username !== '' && $this->password !== '')
+ ? $_temp($this->dsn, $this->username, $this->password)
+ : $_temp($this->dsn);
+ }
+ else
+ {
+ $_temp = ($persistent !== TRUE) ? 'cubrid_connect' : 'cubrid_pconnect';
+ $conn_id = ($this->username !== '')
+ ? $_temp($this->hostname, $this->port, $this->database, $this->username, $this->password)
+ : $_temp($this->hostname, $this->port, $this->database);
}
- }
-
- // --------------------------------------------------------------------
- /**
- * Select the database
- *
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- // In CUBRID there is no need to select a database as the database
- // is chosen at the connection time.
- // So, to determine if the database is "selected", all we have to
- // do is ping the server and return that value.
- return cubrid_ping($this->conn_id);
+ return $conn_id;
}
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Reconnect
*
- * @access public
- * @param string
- * @param string
- * @return resource
+ * Keep / reestablish the db connection if no queries have been
+ * sent for a length of time exceeding the server's idle timeout
+ *
+ * @return void
*/
- function db_set_charset($charset, $collation)
+ public function reconnect()
{
- // In CUBRID, there is no need to set charset or collation.
- // This is why returning true will allow the application continue
- // its normal process.
- return TRUE;
+ if (cubrid_ping($this->conn_id) === FALSE)
+ {
+ $this->conn_id = FALSE;
+ }
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- // To obtain the CUBRID Server version, no need to run the SQL query.
- // CUBRID PHP API provides a function to determin this value.
- // This is why we also need to add 'cubrid' value to the list of
- // $driver_version_exceptions array in DB_driver class in
- // version() function.
- return cubrid_get_server_info($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = cubrid_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
@@ -182,50 +169,25 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @cubrid_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- // No need to prepare
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -233,7 +195,7 @@ class CI_DB_cubrid_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
if (cubrid_get_autocommit($this->conn_id))
{
@@ -248,18 +210,12 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -279,18 +235,12 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -310,12 +260,11 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -327,7 +276,9 @@ class CI_DB_cubrid_driver extends CI_DB {
return $str;
}
- if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id))
+ if (function_exists('cubrid_real_escape_string') &&
+ (is_resource($this->conn_id)
+ OR (get_resource_type($this->conn_id) === 'Unknown' && preg_match('/Resource id #/', strval($this->conn_id)))))
{
$str = cubrid_real_escape_string($str, $this->conn_id);
}
@@ -339,7 +290,7 @@ class CI_DB_cubrid_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ return str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
@@ -350,12 +301,11 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
- return @cubrid_affected_rows($this->conn_id);
+ return @cubrid_affected_rows();
}
// --------------------------------------------------------------------
@@ -363,10 +313,9 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function insert_id()
{
return @cubrid_insert_id($this->conn_id);
}
@@ -374,52 +323,20 @@ class CI_DB_cubrid_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified table
- *
- * @access public
- * @param string
- * @return string
- */
- function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
- }
-
- // --------------------------------------------------------------------
-
- /**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES";
+ $sql = 'SHOW TABLES';
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
- $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
+ return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
@@ -432,13 +349,12 @@ class CI_DB_cubrid_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
@@ -448,327 +364,68 @@ class CI_DB_cubrid_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT * FROM ".$table." LIMIT 1";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- return cubrid_error($this->conn_id);
+ return 'SELECT * FROM '.$table.' LIMIT 1';
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Error
*
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return cubrid_errno($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * From Tables
- *
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
- *
- * @access public
- * @param type
- * @return type
- */
- function _from_tables($tables)
- {
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Replace statement
- *
- * Generates a platform-specific replace string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _replace($table, $keys, $values)
- {
- return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
+ return array('code' => cubrid_errno($this->conn_id), 'message' => cubrid_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert_batch($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = sprintf('"%s" = %s', $key, $val);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
-
- /**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
- function _update_batch($table, $values, $index, $where = NULL)
+ protected function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
- $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
-
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
- if ($field != $index)
+ if ($field !== $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
- $sql = "UPDATE ".$table." SET ";
$cases = '';
-
foreach ($final as $k => $v)
{
- $cases .= $k.' = CASE '."\n";
- foreach ($v as $row)
- {
- $cases .= $row."\n";
- }
-
- $cases .= 'ELSE '.$k.' END, ';
+ $cases .= $k." = CASE \n"
+ .implode("\n", $v)
+ .'ELSE '.$k.' END, ';
}
- $sql .= substr($cases, 0, -2);
-
- $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return "TRUNCATE ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Limit string
- *
- * Generates a platform-specific LIMIT clause
- *
- * @access public
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
- * @return string
- */
- function _limit($sql, $limit, $offset)
- {
- if ($offset == 0)
- {
- $offset = '';
- }
- else
- {
- $offset .= ", ";
- }
-
- return $sql."LIMIT ".$offset.$limit;
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN ('.implode(',', $ids).')';
}
// --------------------------------------------------------------------
@@ -776,17 +433,14 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @cubrid_close($conn_id);
+ @cubrid_close($this->conn_id);
}
}
-
/* End of file cubrid_driver.php */
/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php
index bab03f748..d328aa241 100644
--- a/system/database/drivers/cubrid/cubrid_forge.php
+++ b/system/database/drivers/cubrid/cubrid_forge.php
@@ -2,19 +2,29 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author Esen Sagynov
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.1
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CUBRID Forge Class
*
@@ -24,86 +34,54 @@
*/
class CI_DB_cubrid_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- // CUBRID does not allow to create a database in SQL. The GUI tools
- // have to be used for this purpose.
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- // CUBRID does not allow to drop a database in SQL. The GUI tools
- // have to be used for this purpose.
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_database = FALSE;
+ protected $_drop_database = FALSE;
/**
* Process Fields
*
- * @access private
* @param mixed the fields
* @return string
*/
- function _process_fields($fields)
+ protected function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\"";
+ $sql .= "\n\t".$this->db->escape_identifiers($field);
- if (array_key_exists('NAME', $attributes))
- {
- $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
- }
+ empty($attributes['NAME']) OR $sql .= ' '.$this->db->escape_identifiers($attributes['NAME']).' ';
- if (array_key_exists('TYPE', $attributes))
+ if ( ! empty($attributes['TYPE']))
{
$sql .= ' '.$attributes['TYPE'];
- if (array_key_exists('CONSTRAINT', $attributes))
+ if ( ! empty($attributes['CONSTRAINT']))
{
- switch ($attributes['TYPE'])
+ switch (strtolower($attributes['TYPE']))
{
case 'decimal':
case 'float':
case 'numeric':
$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
break;
- case 'enum': // As of version 8.4.0 CUBRID does not support
- // enum data type.
- break;
+ case 'enum':
+ // Will be supported in the future as part a part of
+ // MySQL compatibility features.
+ break;
case 'set':
$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
break;
@@ -113,33 +91,29 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
}
}
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ /* As of version 8.4.1 CUBRID does not support UNSIGNED INTEGER data type.
+ * Will be supported in the next release as a part of MySQL Compatibility.
+ *
+ if (isset($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
- //$sql .= ' UNSIGNED';
- // As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type.
- // Will be supported in the next release as a part of MySQL Compatibility.
+ $sql .= ' UNSIGNED';
}
+ */
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
- if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
+ if ( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE)
{
$sql .= ' UNIQUE';
}
@@ -160,36 +134,31 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
/**
* Create Table
*
- * @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
+ /* As of version 8.4.1 CUBRID does not support this SQL syntax.
if ($if_not_exists === TRUE)
{
- //$sql .= 'IF NOT EXISTS ';
- // As of version 8.4.0 CUBRID does not support this SQL syntax.
+ $sql .= 'IF NOT EXISTS ';
}
+ */
- $sql .= $this->db->_escape_identifiers($table)." (";
-
- $sql .= $this->_process_fields($fields);
+ $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields);
// If there is a PK defined
if (count($primary_keys) > 0)
{
- $key_name = "pk_" . $table . "_" .
- $this->db->_protect_identifiers(implode('_', $primary_keys));
-
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
+ $key_name = $this->db->escape_identifiers('pk_'.$table.'_'.implode('_', $primary_keys));
+ $sql .= ",\n\tCONSTRAINT ".$key_name.' PRIMARY KEY('.implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
@@ -198,35 +167,20 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key_name = $this->db->_protect_identifiers(implode('_', $key));
- $key = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->escape_identifiers('idx_'.$table.implode('_', $key));
+ $key = $this->db->escape_identifiers($key);
}
else
{
- $key_name = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->escape_identifiers('idx_'.$table.$key);
$key = array($key_name);
}
-
- $sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
+
+ $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')';
}
}
- $sql .= "\n);";
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return string
- */
- function _drop_table($table)
- {
- return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
+ return $sql."\n);";
}
// --------------------------------------------------------------------
@@ -237,49 +191,24 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
- {
- return $sql.$this->db->_protect_identifiers($fields);
- }
-
- $sql .= $this->_process_fields($fields);
-
- if ($after_field != '')
+ if ($alter_type === 'DROP')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.$this->db->escape_identifiers($fields);
}
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return $sql.$this->_process_fields($fields)
+ .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
}
}
diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php
index 6f0c2b5f7..4a06a2d39 100644
--- a/system/database/drivers/cubrid/cubrid_result.php
+++ b/system/database/drivers/cubrid/cubrid_result.php
@@ -2,19 +2,29 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author Esen Sagynov
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 2.0.2
+ * @since Version 2.1
* @filesource
*/
-// --------------------------------------------------------------------
-
/**
* CUBRID Result Class
*
@@ -23,18 +33,20 @@
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
+ * @since 2.1
*/
class CI_DB_cubrid_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @cubrid_num_rows($this->result_id);
+ return is_int($this->num_rows)
+ ? $this->num_rows
+ : $this->num_rows = @cubrid_num_rows($this->result_id);
}
// --------------------------------------------------------------------
@@ -42,10 +54,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @cubrid_num_fields($this->result_id);
}
@@ -57,10 +68,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
return cubrid_column_names($this->result_id);
}
@@ -72,59 +82,25 @@ class CI_DB_cubrid_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
-
- $tablePrimaryKeys = array();
+ $i = 0;
while ($field = cubrid_fetch_field($this->result_id))
{
- $F = new stdClass();
- $F->name = $field->name;
- $F->type = $field->type;
- $F->default = $field->def;
- $F->max_length = $field->max_length;
-
- // At this moment primary_key property is not returned when
- // cubrid_fetch_field is called. The following code will
- // provide a patch for it. primary_key property will be added
- // in the next release.
-
- // TODO: later version of CUBRID will provide primary_key
- // property.
- // When PK is defined in CUBRID, an index is automatically
- // created in the db_index system table in the form of
- // pk_tblname_fieldname. So the following will count how many
- // columns are there which satisfy this format.
- // The query will search for exact single columns, thus
- // compound PK is not supported.
- $res = cubrid_query($this->conn_id,
- "SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table .
- "' AND is_primary_key = 'YES' AND index_name = 'pk_" .
- $field->table . "_" . $field->name . "'"
- );
-
- if ($res)
- {
- $row = cubrid_fetch_array($res, CUBRID_NUM);
- $F->primary_key = ($row[0] > 0 ? 1 : null);
- }
- else
- {
- $F->primary_key = null;
- }
-
- if (is_resource($res))
- {
- cubrid_close_request($res);
- $this->result_id = FALSE;
- }
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $field->name;
+ // CUBRID returns type as e.g. varchar(100),
+ // so we need to remove all digits and brackets.
+ $retval[$i]->type = preg_replace('/[\d()]/', '', $field->type);
+ $retval[$i]->default = $field->def;
+ // Use CUBRID's native API to obtain column's max_length,
+ // otherwise $field->max_length has incorrect info
+ $retval[$i]->max_length = cubrid_field_len($this->result_id, $i);
+ $retval[$i++]->primary_key = $field->primary_key;
}
return $retval;
@@ -135,13 +111,12 @@ class CI_DB_cubrid_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
- if(is_resource($this->result_id) ||
- get_resource_type($this->result_id) == "Unknown" &&
- preg_match('/Resource id #/', strval($this->result_id)))
+ if (is_resource($this->result_id) OR
+ (get_resource_type($this->result_id) === 'Unknown' && preg_match('/Resource id #/', strval($this->result_id))))
{
cubrid_close_request($this->result_id);
$this->result_id = FALSE;
@@ -157,10 +132,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return cubrid_data_seek($this->result_id, $n);
}
@@ -172,10 +146,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return cubrid_fetch_assoc($this->result_id);
}
@@ -187,16 +160,15 @@ class CI_DB_cubrid_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @param string
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- return cubrid_fetch_object($this->result_id);
+ return cubrid_fetch_object($this->result_id, $class_name);
}
}
-
/* End of file cubrid_result.php */
/* Location: ./system/database/drivers/cubrid/cubrid_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php
index cd16d1e18..ea8feb4e2 100644
--- a/system/database/drivers/cubrid/cubrid_utility.php
+++ b/system/database/drivers/cubrid/cubrid_utility.php
@@ -2,19 +2,29 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author Esen Sagynov
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.1
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CUBRID Utility Class
*
@@ -27,75 +37,27 @@ class CI_DB_cubrid_utility extends CI_DB_utility {
/**
* List databases
*
- * @access private
* @return array
*/
- function _list_databases()
+ public function list_databases()
{
- // CUBRID does not allow to see the list of all databases on the
- // server. It is the way its architecture is designed. Every
- // database is independent and isolated.
- // For this reason we can return only the name of the currect
- // connected database.
- if ($this->conn_id)
- {
- return "SELECT '" . $this->database . "'";
- }
- else
+ if (isset($this->db->data_cache['db_names']))
{
- return FALSE;
+ return $this->db->data_cache['db_names'];
}
- }
-
- // --------------------------------------------------------------------
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- * @link http://www.cubrid.org/manual/840/en/Optimize%20Database
- */
- function _optimize_table($table)
- {
- // No SQL based support in CUBRID as of version 8.4.0. Database or
- // table optimization can be performed using CUBRID Manager
- // database administration tool. See the link above for more info.
- return FALSE;
+ return $this->db->data_cache['db_names'] = cubrid_list_dbs($this->db->conn_id);
}
// --------------------------------------------------------------------
/**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- * @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency
- */
- function _repair_table($table)
- {
- // Not supported in CUBRID as of version 8.4.0. Database or
- // table consistency can be checked using CUBRID Manager
- // database administration tool. See the link above for more info.
- return FALSE;
- }
-
- // --------------------------------------------------------------------
- /**
* CUBRID Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// No SQL based support in CUBRID as of version 8.4.0. Database or
// table backup can be performed using CUBRID Manager
diff --git a/system/database/drivers/ibase/ibase_driver.php b/system/database/drivers/ibase/ibase_driver.php
new file mode 100644
index 000000000..c9027670d
--- /dev/null
+++ b/system/database/drivers/ibase/ibase_driver.php
@@ -0,0 +1,441 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0
+ * @filesource
+ */
+
+/**
+ * Firebird/Interbase Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_ibase_driver extends CI_DB {
+
+ public $dbdriver = 'ibase';
+
+ // The character used to escape with
+ protected $_escape_char = '"';
+
+ // clause and character used for LIKE escape sequences
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
+
+ protected $_random_keyword = ' Random()'; // database specific random keyword
+
+ // Keeps track of the resource for the current transaction
+ protected $trans;
+
+ /**
+ * Non-persistent database connection
+ *
+ * @return resource
+ */
+ public function db_connect()
+ {
+ return @ibase_connect($this->hostname.':'.$this->database, $this->username, $this->password, $this->char_set);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Persistent database connection
+ *
+ * @return resource
+ */
+ public function db_pconnect()
+ {
+ return @ibase_pconnect($this->hostname.':'.$this->database, $this->username, $this->password, $this->char_set);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Database version number
+ *
+ * @return string
+ */
+ public function version()
+ {
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
+ if (($service = ibase_service_attach($this->hostname, $this->username, $this->password)))
+ {
+ $this->data_cache['version'] = ibase_server_info($service, IBASE_SVC_SERVER_VERSION);
+
+ // Don't keep the service open
+ ibase_service_detach($service);
+ return $this->data_cache['version'];
+ }
+
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Execute the query
+ *
+ * @param string an SQL query
+ * @return resource
+ */
+ protected function _execute($sql)
+ {
+ return @ibase_query($this->conn_id, $sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Begin Transaction
+ *
+ * @return bool
+ */
+ public function trans_begin($test_mode = FALSE)
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ // Reset the transaction failure flag.
+ // If the $test_mode flag is set to TRUE transactions will be rolled back
+ // even if the queries produce a successful result.
+ $this->_trans_failure = ($test_mode === TRUE);
+
+ $this->trans = @ibase_trans($this->conn_id);
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Commit Transaction
+ *
+ * @return bool
+ */
+ public function trans_commit()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans->depth > 0)
+ {
+ return TRUE;
+ }
+
+ return @ibase_commit($this->trans);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rollback Transaction
+ *
+ * @return bool
+ */
+ public function trans_rollback()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ return @ibase_rollback($this->trans);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape String
+ *
+ * @param string
+ * @param bool whether or not the string will be used in a LIKE condition
+ * @return string
+ */
+ public function escape_str($str, $like = FALSE)
+ {
+ if (is_array($str))
+ {
+ foreach ($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val, $like);
+ }
+
+ return $str;
+ }
+
+ // escape LIKE condition wildcards
+ if ($like === TRUE)
+ {
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
+ }
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Affected Rows
+ *
+ * @return int
+ */
+ public function affected_rows()
+ {
+ return @ibase_affected_rows($this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @param string $generator_name
+ * @param int $inc_by
+ * @return int
+ */
+ public function insert_id($generator_name, $inc_by = 0)
+ {
+ //If a generator hasn't been used before it will return 0
+ return ibase_gen_id('"'.$generator_name.'"', $inc_by);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * List table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS" WHERE "RDB$RELATION_NAME" NOT LIKE \'RDB$%\' AND "RDB$RELATION_NAME" NOT LIKE \'MON$%\'';
+
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
+ {
+ return $sql.' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT "RDB$FIELD_NAME" FROM "RDB$RELATION_FIELDS" WHERE "RDB$RELATION_NAME" = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return $this->_limit('SELECT * FROM '.$this->protect_identifiers($table), 1, NULL);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Error
+ *
+ * Returns an array containing code and message of the last
+ * database error that has occured.
+ *
+ * @return array
+ */
+ public function error()
+ {
+ return array('code' => ibase_errcode(), 'message' => ibase_errmsg());
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This public function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr)
+ .$where
+ .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'DELETE FROM '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ // Limit clause depends on if Interbase or Firebird
+ if (stripos($this->version(), 'firebird') !== FALSE)
+ {
+ $select = 'FIRST '. (int) $limit
+ .($offset ? ' SKIP '. (int) $offset : '');
+ }
+ else
+ {
+ $select = 'ROWS '
+ .($offset ? (int) $offset.' TO '.($limit + $offset) : (int) $limit);
+ }
+
+ return preg_replace('`SELECT`i', 'SELECT '.$select, $sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Close DB Connection
+ *
+ * @return void
+ */
+ protected function _close()
+ {
+ @ibase_close($this->conn_id);
+ }
+
+}
+
+/* End of file ibase_driver.php */
+/* Location: ./system/database/drivers/ibase/ibase_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/ibase/ibase_forge.php b/system/database/drivers/ibase/ibase_forge.php
new file mode 100644
index 000000000..da75eb9c3
--- /dev/null
+++ b/system/database/drivers/ibase/ibase_forge.php
@@ -0,0 +1,194 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0
+ * @filesource
+ */
+
+/**
+ * Interbase/Firebird Forge Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_ibase_forge extends CI_DB_forge {
+
+ protected $_drop_table = 'DROP TABLE %s';
+
+ /**
+ * Create database
+ *
+ * @param string the database name
+ * @return string
+ */
+ public function create_database($db_name)
+ {
+ // Firebird databases are flat files, so a path is required
+
+ // Hostname is needed for remote access
+ empty($this->db->hostname) OR $db_name = $this->hostname.':'.$db_name;
+
+ return parent::create_database('"'.$db_name.'"');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop database
+ *
+ * @param string the database name
+ * - not used in this driver, the current db is dropped
+ * @return bool
+ */
+ public function drop_database($db_name = '')
+ {
+ if ( ! ibase_drop_db($this->conn_id))
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+ elseif ( ! empty($this->db->data_cache['db_names']))
+ {
+ $key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
+ if ($key !== FALSE)
+ {
+ unset($this->db->data_cache['db_names'][$key]);
+ }
+ }
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Create Table
+ *
+ * @param string the table name
+ * @param array the fields
+ * @param mixed primary key(s)
+ * @param mixed key(s)
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return string
+ */
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ $sql .= $this->db->escape_identifiers($table).'(';
+ $current_field_count = 0;
+
+ foreach ($fields as $field => $attributes)
+ {
+ // Numeric field names aren't allowed in databases, so if the key is
+ // numeric, we know it was assigned by PHP and the developer manually
+ // entered the field information, so we'll simply add it to the list
+ if (is_numeric($field))
+ {
+ $sql .= "\n\t".$attributes;
+ }
+ else
+ {
+ $attributes = array_change_key_case($attributes, CASE_UPPER);
+
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
+
+ empty($attributes['CONSTRAINT']) OR $sql .= '('.$attributes['CONSTRAINT'].')';
+
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
+ {
+ $sql .= ' UNSIGNED';
+ }
+
+ if (isset($attributes['DEFAULT']))
+ {
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
+ }
+
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
+
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
+ {
+ $sql .= ' AUTO_INCREMENT';
+ }
+ }
+
+ // don't add a comma on the end of the last field
+ if (++$current_field_count < count($fields))
+ {
+ $sql .= ',';
+ }
+ }
+
+ if (count($primary_keys) > 0)
+ {
+ $primary_keys = $this->db->escape_identifiers($primary_keys);
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $primary_keys).')';
+ }
+
+ if (is_array($keys) && count($keys) > 0)
+ {
+ foreach ($keys as $key)
+ {
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
+
+ $sql .= ",\n\tUNIQUE (".implode(', ', $key).')';
+ }
+ }
+
+ return $sql."\n)";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Alter table query
+ *
+ * Generates a platform-specific query so that a table can be altered
+ * Called by add_column(), drop_column(), and column_alter(),
+ *
+ * @param string the ALTER type (ADD, DROP, CHANGE)
+ * @param string the column name
+ * @param string the table name
+ * @param string the column definition
+ * @param string the default value
+ * @param bool should 'NOT NULL' be added
+ * @param string the field after which we should add the new field
+ * @return string
+ */
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ {
+ return 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name)
+ .' '.$column_definition
+ .($default_value !== '' ? ' DEFAULT "'.$default_value.'"' : '')
+ .($null === NULL ? ' NULL' : ' NOT NULL')
+ .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
+ }
+
+}
+
+/* End of file ibase_forge.php */
+/* Location: ./system/database/drivers/ibase/ibase_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/ibase/ibase_result.php b/system/database/drivers/ibase/ibase_result.php
new file mode 100644
index 000000000..95e55710b
--- /dev/null
+++ b/system/database/drivers/ibase/ibase_result.php
@@ -0,0 +1,155 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * Interbase/Firebird Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ * @since 3.0
+ */
+class CI_DB_ibase_result extends CI_DB_result {
+
+ /**
+ * Number of fields in the result set
+ *
+ * @return int
+ */
+ public function num_fields()
+ {
+ return @ibase_num_fields($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Fetch Field Names
+ *
+ * Generates an array of column names
+ *
+ * @return array
+ */
+ public function list_fields()
+ {
+ $field_names = array();
+ for ($i = 0, $num_fields = $this->num_fields(); $i < $num_fields; $i++)
+ {
+ $info = ibase_field_info($this->result_id, $i);
+ $field_names[] = $info['name'];
+ }
+
+ return $field_names;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data
+ *
+ * Generates an array of objects containing field meta-data
+ *
+ * @return array
+ */
+ public function field_data()
+ {
+ $retval = array();
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
+ {
+ $info = ibase_field_info($this->result_id, $i);
+
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $info['name'];
+ $retval[$i]->type = $info['type'];
+ $retval[$i]->max_length = $info['length'];
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
+ }
+
+ return $retval;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Free the result
+ *
+ * @return void
+ */
+ public function free_result()
+ {
+ @ibase_free_result($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - associative array
+ *
+ * Returns the result set as an array
+ *
+ * @return array
+ */
+ protected function _fetch_assoc()
+ {
+ return @ibase_fetch_assoc($this->result_id, IBASE_FETCH_BLOBS);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - object
+ *
+ * Returns the result set as an object
+ *
+ * @param string
+ * @return object
+ */
+ protected function _fetch_object($class_name = 'stdClass')
+ {
+ $row = @ibase_fetch_object($this->result_id, IBASE_FETCH_BLOBS);
+
+ if ($class_name === 'stdClass' OR ! $row)
+ {
+ return $row;
+ }
+
+ $class_name = new $class_name();
+ foreach ($row as $key => $value)
+ {
+ $class_name->$key = $value;
+ }
+
+ return $class_name;
+ }
+
+}
+
+/* End of file ibase_result.php */
+/* Location: ./system/database/drivers/ibase/ibase_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/ibase/ibase_utility.php b/system/database/drivers/ibase/ibase_utility.php
new file mode 100644
index 000000000..d0e84a7b2
--- /dev/null
+++ b/system/database/drivers/ibase/ibase_utility.php
@@ -0,0 +1,62 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0
+ * @filesource
+ */
+
+/**
+ * Interbase/Firebird Utility Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_ibase_utility extends CI_DB_utility {
+
+ protected $_list_databases = FALSE;
+
+ /**
+ * Interbase/Firebird Export
+ *
+ * @param string $filename
+ * @return mixed
+ */
+ protected function _backup($filename)
+ {
+ if ($service = ibase_service_attach($this->db->hostname, $this->db->username, $this->db->password))
+ {
+ $res = ibase_backup($service, $this->db->database, $filename.'.fbk');
+
+ // Close the service connection
+ ibase_service_detach($service);
+ return $res;
+ }
+
+ return FALSE;
+ }
+
+}
+
+/* End of file ibase_utility.php */
+/* Location: ./system/database/drivers/ibase/ibase_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/ibase/index.html b/system/database/drivers/ibase/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/ibase/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+ <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html> \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index b39bd9360..1714704a8 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -1,100 +1,115 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MS SQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_driver extends CI_DB {
- var $dbdriver = 'mssql';
+ public $dbdriver = 'mssql';
// The character used for escaping
- var $_escape_char = '';
+ protected $_escape_char = '"';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
- /**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
- */
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' ASC'; // not currently supported
+ protected $_random_keyword = ' NEWID()';
- /**
- * Non-persistent database connection
+ // MSSQL-specific properties
+ protected $_quoted_identifier = TRUE;
+
+ /*
+ * Constructor
*
- * @access private called by the base class
- * @return resource
+ * Appends the port number to the hostname, if needed.
+ *
+ * @param array
+ * @return void
*/
- function db_connect()
+ public function __construct($params)
{
- if ($this->port != '')
+ parent::__construct($params);
+
+ if ( ! empty($this->port))
{
- $this->hostname .= ','.$this->port;
+ $this->hostname .= (DIRECTORY_SEPARATOR === '\\' ? ',' : ':').$this->port;
}
-
- return @mssql_connect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
- * Persistent database connection
+ * Non-persistent database connection
*
- * @access private called by the base class
+ * @param bool
* @return resource
*/
- function db_pconnect()
+ public function db_connect($persistent = FALSE)
{
- if ($this->port != '')
+ $this->conn_id = ($persistent)
+ ? @mssql_pconnect($this->hostname, $this->username, $this->password)
+ : @mssql_connect($this->hostname, $this->username, $this->password);
+
+ if ( ! $this->conn_id)
{
- $this->hostname .= ','.$this->port;
+ return FALSE;
}
- return @mssql_pconnect($this->hostname, $this->username, $this->password);
+ // Determine how identifiers are escaped
+ $query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
+ $query = $query->row_array();
+ $this->_quoted_identifier = empty($query) ? FALSE : (bool) $query['qi'];
+ $this->_escape_char = ($this->_quoted_identifier) ? '"' : array('[', ']');
+
+ return $this->conn_id;
}
// --------------------------------------------------------------------
/**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
+ * Persistent database connection
*
- * @access public
- * @return void
+ * @return resource
*/
- function reconnect()
+ public function db_pconnect()
{
- // not implemented in MSSQL
+ return $this->db_connect(TRUE);
}
// --------------------------------------------------------------------
@@ -102,30 +117,25 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
// Note: The brackets are required in the event that the DB name
// contains reserved characters
- return @mssql_select_db('['.$this->database.']', $this->conn_id);
- }
-
- // --------------------------------------------------------------------
+ if (@mssql_select_db($this->escape_identifiers($database), $this->conn_id))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
- /**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -133,49 +143,25 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
- * @return resource
+ * @return mixed resource if rows are returned, bool otherwise
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @mssql_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -183,10 +169,9 @@ class CI_DB_mssql_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
- $this->simple_query('BEGIN TRAN');
- return TRUE;
+ return $this->simple_query('BEGIN TRAN');
}
// --------------------------------------------------------------------
@@ -194,24 +179,17 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- $this->simple_query('COMMIT TRAN');
- return TRUE;
+ return $this->simple_query('COMMIT TRAN');
}
// --------------------------------------------------------------------
@@ -219,24 +197,17 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- $this->simple_query('ROLLBACK TRAN');
- return TRUE;
+ return $this->simple_query('ROLLBACK TRAN');
}
// --------------------------------------------------------------------
@@ -244,12 +215,11 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -267,7 +237,7 @@ class CI_DB_mssql_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace(
+ return str_replace(
array($this->_like_escape_chr, '%', '_'),
array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
$str
@@ -282,10 +252,9 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @mssql_rows_affected($this->conn_id);
}
@@ -293,82 +262,33 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert ID
- *
- * Returns the last id created in the Identity column.
- *
- * @access public
- * @return integer
- */
- function insert_id()
+ * Insert ID
+ *
+ * Returns the last id created in the Identity column.
+ *
+ * @return string
+ */
+ public function insert_id()
{
- $ver = self::_parse_major_version($this->version());
- $sql = ($ver >= 8 ? "SELECT SCOPE_IDENTITY() AS last_id" : "SELECT @@IDENTITY AS last_id");
- $query = $this->query($sql);
- $row = $query->row();
- return $row->last_id;
- }
+ $query = version_compare($this->version(), '8', '>=')
+ ? 'SELECT SCOPE_IDENTITY() AS last_id'
+ : 'SELECT @@IDENTITY AS last_id';
- // --------------------------------------------------------------------
-
- /**
- * Parse major version
- *
- * Grabs the major version number from the
- * database server version string passed in.
- *
- * @access private
- * @param string $version
- * @return int16 major version number
- */
- function _parse_major_version($version)
- {
- preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
- return $ver_info[1]; // return the major version b/c that's all we're interested in.
+ $query = $this->query($query);
+ $query = $query->row();
+ return $query->last_id;
}
// --------------------------------------------------------------------
/**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
- {
- return "SELECT @@VERSION AS ver";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
+ * Version number query string
*
- * @access public
- * @param string
* @return string
*/
- function count_all($table = '')
+ protected function _version()
{
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
+ return 'SELECT @@VERSION AS ver';
}
// --------------------------------------------------------------------
@@ -378,22 +298,22 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
+ $sql = 'SELECT '.$this->escape_identifiers('name')
+ .' FROM '.$this->escape_identifiers('sysobjects')
+ .' WHERE '.$this->escape_identifiers('type')." = 'U'";
- // for future compatibility
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE AND $this->dbprefix !== '')
{
- //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
- return FALSE; // not currently supported
+ $sql .= ' AND '.$this->escape_identifiers('name')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
- return $sql;
+ return $sql.' ORDER BY '.$this->escape_identifiers('name');
}
// --------------------------------------------------------------------
@@ -403,11 +323,10 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access private
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
}
@@ -419,82 +338,29 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT TOP 1 * FROM ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- return mssql_get_last_message();
+ return 'SELECT TOP 1 * FROM '.$this->protect_identifiers($table);
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Error
*
- * @access private
- * @return integer
- */
- function _error_number()
- {
- // Are error numbers supported?
- return '';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * This function escapes column and table names
- *
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ $query = $this->query('SELECT @@ERROR AS code');
+ $query = $query->row();
+ return array('code' => $query->code, 'message' => mssql_get_last_message());
}
// --------------------------------------------------------------------
@@ -505,36 +371,12 @@ class CI_DB_mssql_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
- */
- function _from_tables($tables)
- {
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return implode(', ', $tables);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
+ * @param array
* @return string
*/
- function _insert($table, $keys, $values)
+ protected function _from_tables($tables)
{
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return is_array($tables) ? implode(', ', $tables) : $tables;
}
// --------------------------------------------------------------------
@@ -544,51 +386,47 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
- foreach ($values as $key => $val)
+ foreach($values as $key => $val)
{
- $valstr[] = $key." = ".$val;
+ $valstr[] = $key.' = '.$val;
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
- $sql .= $orderby.$limit;
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
- return $sql;
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).' WHERE '.$where;
}
-
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access public
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
* @param string the table name
* @return string
*/
- function _truncate($table)
+ protected function _truncate($table)
{
- return "TRUNCATE ".$table;
+ return 'TRUNCATE TABLE '.$table;
}
// --------------------------------------------------------------------
@@ -598,31 +436,24 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
* @param array the where clause
+ * @param array the like clause
* @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
+ $conditions = array();
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
- return "DELETE FROM ".$table.$conditions.$limit;
+ return ($limit)
+ ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete'
+ : 'DELETE FROM '.$table.$conditions;
}
// --------------------------------------------------------------------
@@ -632,17 +463,37 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
- $i = $limit + $offset;
+ // As of SQL Server 2012 (11.0.*) OFFSET is supported
+ if (version_compare($this->version(), '11', '>='))
+ {
+ return $sql.' OFFSET '.(int) $offset.' ROWS FETCH NEXT '.(int) $limit.' ROWS ONLY';
+ }
+
+ $limit = $offset + $limit;
+
+ // As of SQL Server 2005 (9.0.*) ROW_NUMBER() is supported,
+ // however an ORDER BY clause is required for it to work
+ if (version_compare($this->version(), '9', '>=') && $offset && ! empty($this->qb_orderby))
+ {
+ $orderby = 'ORDER BY '.implode(', ', $this->qb_orderby);
+
+ // We have to strip the ORDER BY clause
+ $sql = trim(substr($sql, 0, strrpos($sql, 'ORDER BY '.$orderby)));
- return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
+ return 'SELECT '.(count($this->qb_select) === 0 ? '*' : implode(', ', $this->qb_select))." FROM (\n"
+ .preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.$orderby.') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
+ ."\n) ".$this->escape_identifiers('CI_subquery')
+ ."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.((int) $offset + 1).' AND '.$limit;
+ }
+
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
}
// --------------------------------------------------------------------
@@ -650,18 +501,14 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @mssql_close($conn_id);
+ @mssql_close($this->conn_id);
}
}
-
-
/* End of file mssql_driver.php */
/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php
index 70b20ecf8..3a3528f7b 100644
--- a/system/database/drivers/mssql/mssql_forge.php
+++ b/system/database/drivers/mssql/mssql_forge.php
@@ -1,135 +1,94 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MS SQL Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- return "DROP TABLE ".$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return string
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
- $sql = 'CREATE TABLE ';
+ $sql = ($if_not_exists === TRUE)
+ ? "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'".$table."') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\n"
+ : '';
- if ($if_not_exists === TRUE)
- {
- $sql .= 'IF NOT EXISTS ';
- }
+ $sql .= 'CREATE TABLE '.$this->db->escape_identifiers($table).' (';
- $sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
-
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
+ if (stripos($attributes['TYPE'], 'INT') === FALSE && ! empty($attributes['CONSTRAINT']))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
@@ -144,30 +103,22 @@ class CI_DB_mssql_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
- if (is_array($key))
- {
- $key = $this->db->_protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->_protect_identifiers($key));
- }
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
- $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')';
}
}
- $sql .= "\n)";
-
- return $sql;
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -178,68 +129,29 @@ class CI_DB_mssql_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name);
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
return $sql;
}
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
-
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- // I think this syntax will work, but can find little documentation on renaming tables in MSSQL
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return $sql.' '.$column_definition
+ .($default_value != '' ? ' DEFAULT "'.$default_value.'"' : '')
+ .($null === NULL ? ' NULL' : ' NOT NULL')
+ .($after_field != '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
}
}
diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php
index 2897ca5a5..aeede3f4b 100644
--- a/system/database/drivers/mssql/mssql_result.php
+++ b/system/database/drivers/mssql/mssql_result.php
@@ -1,40 +1,52 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
- * MS SQL Result Class
+ * MSSQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.3
*/
class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @mssql_num_rows($this->result_id);
+ return is_int($this->num_rows)
+ ? $this->num_rows
+ : $this->num_rows = @mssql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
@@ -42,10 +54,9 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @mssql_num_fields($this->result_id);
}
@@ -57,10 +68,9 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
while ($field = mssql_fetch_field($this->result_id))
@@ -78,20 +88,19 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
while ($field = mssql_fetch_field($this->result_id))
{
- $F = new stdClass();
- $F->name = $field->name;
- $F->type = $field->type;
+ $F = new stdClass();
+ $F->name = $field->name;
+ $F->type = $field->type;
$F->max_length = $field->max_length;
$F->primary_key = 0;
- $F->default = '';
+ $F->default = '';
$retval[] = $F;
}
@@ -104,9 +113,9 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -120,14 +129,13 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return mssql_data_seek($this->result_id, $n);
}
@@ -139,10 +147,9 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return mssql_fetch_assoc($this->result_id);
}
@@ -154,16 +161,28 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @param string
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- return mssql_fetch_object($this->result_id);
+ $row = @mssql_fetch_object($this->result_id);
+
+ if ($class_name === 'stdClass' OR ! $row)
+ {
+ return $row;
+ }
+
+ $class_name = new $class_name();
+ foreach ($row as $key => $value)
+ {
+ $class_name->$key = $value;
+ }
+
+ return $class_name;
}
}
-
/* End of file mssql_result.php */
/* Location: ./system/database/drivers/mssql/mssql_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php
index 48ecbc72a..69fcec5f6 100644
--- a/system/database/drivers/mssql/mssql_utility.php
+++ b/system/database/drivers/mssql/mssql_utility.php
@@ -1,82 +1,49 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MS SQL Utility Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases
+ protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE';
/**
* MSSQL Export
*
- * @access private
* @param array Preferences
- * @return mixed
+ * @return bool
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index f87cfea4b..29db90408 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -1,75 +1,88 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_driver extends CI_DB {
- var $dbdriver = 'mysql';
+ public $dbdriver = 'mysql';
// The character used for escaping
- var $_escape_char = '`';
+ protected $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in MySQL
- var $_like_escape_str = '';
- var $_like_escape_chr = '';
+ protected $_like_escape_str = '';
+ protected $_like_escape_chr = '\\';
+
+ protected $_random_keyword = ' RAND()'; // database specific random keyword
/**
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*/
- var $delete_hack = TRUE;
+ public $delete_hack = TRUE;
/**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
+ * Constructor
+ *
+ * @param array
+ * @return void
*/
- var $_count_string = 'SELECT COUNT(*) AS ';
- var $_random_keyword = ' RAND()'; // database specific random keyword
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if ( ! empty($this->port))
+ {
+ $this->hostname .= ':'.$this->port;
+ }
+ }
+
+ // --------------------------------------------------------------------
- // whether SET NAMES must be used to set the character set
- var $use_set_names;
-
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
- if ($this->port != '')
- {
- $this->hostname .= ':'.$this->port;
- }
-
return @mysql_connect($this->hostname, $this->username, $this->password, TRUE);
}
@@ -78,16 +91,10 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
- if ($this->port != '')
- {
- $this->hostname .= ':'.$this->port;
- }
-
return @mysql_pconnect($this->hostname, $this->username, $this->password);
}
@@ -99,10 +106,9 @@ class CI_DB_mysql_driver extends CI_DB {
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
- * @access public
* @return void
*/
- function reconnect()
+ public function reconnect()
{
if (mysql_ping($this->conn_id) === FALSE)
{
@@ -115,12 +121,23 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
- return @mysql_select_db($this->database, $this->conn_id);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@mysql_select_db($database, $this->conn_id))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -128,40 +145,26 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Set client character set
*
- * @access public
* @param string
- * @param string
- * @return resource
+ * @return bool
*/
- function db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset)
{
- if ( ! isset($this->use_set_names))
- {
- // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback
- $this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
- }
-
- if ($this->use_set_names === TRUE)
- {
- return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
- }
- else
- {
- return @mysql_set_charset($charset, $this->conn_id);
- }
+ return @mysql_set_charset($charset, $this->conn_id);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- return "SELECT version() AS ver";
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
@@ -169,14 +172,12 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
- * @return resource
+ * @return mixed
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
- return @mysql_query($sql, $this->conn_id);
+ return @mysql_query($this->_prep_query($sql), $this->conn_id);
}
// --------------------------------------------------------------------
@@ -186,20 +187,16 @@ class CI_DB_mysql_driver extends CI_DB {
*
* If needed, each database adapter can prep the query string
*
- * @access private called by execute()
* @param string an SQL query
* @return string
*/
- function _prep_query($sql)
+ protected function _prep_query($sql)
{
- // "DELETE FROM TABLE" returns 0 affected rows This hack modifies
- // the query so that it returns the number of affected rows
- if ($this->delete_hack === TRUE)
+ // mysql_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
+ // modifies the query so that it a proper number of affected rows is returned.
+ if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
- if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
- {
- $sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql);
- }
+ return preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/', 'DELETE FROM \\1 WHERE 1=1', $sql);
}
return $sql;
@@ -210,18 +207,12 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -229,7 +220,7 @@ class CI_DB_mysql_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
$this->simple_query('SET AUTOCOMMIT=0');
$this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
@@ -241,18 +232,12 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -267,18 +252,12 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -293,12 +272,11 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -310,23 +288,14 @@ class CI_DB_mysql_driver extends CI_DB {
return $str;
}
- if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id))
- {
- $str = mysql_real_escape_string($str, $this->conn_id);
- }
- elseif (function_exists('mysql_escape_string'))
- {
- $str = mysql_escape_string($str);
- }
- else
- {
- $str = addslashes($str);
- }
+ $str = is_resource($this->conn_id) ? mysql_real_escape_string($str, $this->conn_id) : addslashes($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -337,10 +306,9 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @mysql_affected_rows($this->conn_id);
}
@@ -350,10 +318,9 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function insert_id()
{
return @mysql_insert_id($this->conn_id);
}
@@ -361,52 +328,20 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @access public
- * @param string
- * @return string
- */
- function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
- }
-
- // --------------------------------------------------------------------
-
- /**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char;
+ $sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database);
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
- $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
+ return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
@@ -419,343 +354,102 @@ class CI_DB_mysql_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
- * Field data query
+ * Returns an object with field data
*
- * Generates a platform-specific query so that the column data can be retrieved
- *
- * @access public
* @param string the table name
* @return object
*/
- function _field_data($table)
- {
- return "DESCRIBE ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
- * @return string
- */
- function _error_message()
+ public function field_data($table = '')
{
- return mysql_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return mysql_errno($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @access private
- * @param string
- * @return string
- */
- function _escape_identifiers($item)
- {
- if ($this->_escape_char == '')
+ if ($table === '')
{
- return $item;
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
}
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
+ $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $query->result_object();
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
{
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
-
- // --------------------------------------------------------------------
+ preg_match('/([a-z]+)(\(\d+\))?/', $query[$i]->Type, $matches);
- /**
- * From Tables
- *
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
- *
- * @access public
- * @param type
- * @return type
- */
- function _from_tables($tables)
- {
- if ( ! is_array($tables))
- {
- $tables = array($tables);
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $query[$i]->Field;
+ $retval[$i]->type = empty($matches[1]) ? NULL : $matches[1];
+ $retval[$i]->default = $query[$i]->Default;
+ $retval[$i]->max_length = empty($matches[2]) ? NULL : preg_replace('/[^\d]/', '', $matches[2]);
+ $retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
- return '('.implode(', ', $tables).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return $retval;
}
// --------------------------------------------------------------------
-
/**
- * Replace statement
+ * Error
*
- * Generates a platform-specific replace string from the supplied data
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
+ * @return array
*/
- function _replace($table, $keys, $values)
+ public function error()
{
- return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert_batch($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key . ' = ' . $val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
-
- /**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
- function _update_batch($table, $values, $index, $where = NULL)
+ protected function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
- $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
-
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
- if ($field != $index)
+ if ($field !== $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
- $sql = "UPDATE ".$table." SET ";
$cases = '';
-
foreach ($final as $k => $v)
{
- $cases .= $k.' = CASE '."\n";
- foreach ($v as $row)
- {
- $cases .= $row."\n";
- }
-
- $cases .= 'ELSE '.$k.' END, ';
- }
-
- $sql .= substr($cases, 0, -2);
-
- $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return "TRUNCATE ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
+ $cases .= $k." = CASE \n"
+ .implode("\n", $v)."\n"
+ .'ELSE '.$k.' END, ';
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Limit string
- *
- * Generates a platform-specific LIMIT clause
- *
- * @access public
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
- * @return string
- */
- function _limit($sql, $limit, $offset)
- {
- if ($offset == 0)
- {
- $offset = '';
- }
- else
- {
- $offset .= ", ";
- }
-
- return $sql."LIMIT ".$offset.$limit;
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN('.implode(',', $ids).')';
}
// --------------------------------------------------------------------
@@ -763,17 +457,14 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @mysql_close($conn_id);
+ @mysql_close($this->conn_id);
}
}
-
/* End of file mysql_driver.php */
/* Location: ./system/database/drivers/mysql/mysql_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php
index c1cae136c..2ac75bad2 100644
--- a/system/database/drivers/mysql/mysql_forge.php
+++ b/system/database/drivers/mysql/mysql_forge.php
@@ -1,134 +1,106 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQL Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
/**
* Process Fields
*
- * @access private
* @param mixed the fields
* @return string
*/
- function _process_fields($fields)
+ protected function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->escape_identifiers($field);
- if (array_key_exists('NAME', $attributes))
- {
- $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
- }
+ empty($attributes['NAME']) OR $sql .= ' '.$this->db->escape_identifiers($attributes['NAME']).' ';
- if (array_key_exists('TYPE', $attributes))
+ if ( ! empty($attributes['TYPE']))
{
$sql .= ' '.$attributes['TYPE'];
- if (array_key_exists('CONSTRAINT', $attributes))
+ if ( ! empty($attributes['CONSTRAINT']))
{
- switch ($attributes['TYPE'])
+ switch (strtolower($attributes['TYPE']))
{
case 'decimal':
case 'float':
case 'numeric':
$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
- break;
-
+ break;
case 'enum':
case 'set':
$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
- break;
-
+ break;
default:
$sql .= '('.$attributes['CONSTRAINT'].')';
}
}
}
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
@@ -149,15 +121,14 @@ class CI_DB_mysql_forge extends CI_DB_forge {
/**
* Create Table
*
- * @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -166,15 +137,12 @@ class CI_DB_mysql_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
-
- $sql .= $this->_process_fields($fields);
+ $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields);
if (count($primary_keys) > 0)
{
- $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")";
+ $key_name = $this->db->escape_identifiers(implode('_', $primary_keys));
+ $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
@@ -183,35 +151,20 @@ class CI_DB_mysql_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key_name = $this->db->_protect_identifiers(implode('_', $key));
- $key = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->escape_identifiers(implode('_', $key));
+ $key = $this->db->escape_identifiers($key);
}
else
{
- $key_name = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->escape_identifiers($key);
$key = array($key_name);
}
- $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')';
}
}
- $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};";
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return string
- */
- function _drop_table($table)
- {
- return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
+ return $sql."\n) DEFAULT CHARACTER SET ".$this->db->char_set.' COLLATE '.$this->db->dbcollat.';';
}
// --------------------------------------------------------------------
@@ -220,51 +173,26 @@ class CI_DB_mysql_forge extends CI_DB_forge {
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
- * Called by add_column(), drop_column(), and column_alter(),
+ * Called by add_column(), drop_column() and column_alter()
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
- return $sql.$this->db->_protect_identifiers($fields);
+ return $sql.$this->db->escape_identifiers($fields);
}
- $sql .= $this->_process_fields($fields);
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return $sql.$this->_process_fields($fields)
+ .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
}
}
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 6ceaf4b9b..7fbb65496 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -1,40 +1,67 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// --------------------------------------------------------------------
-
/**
* MySQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.0
*/
class CI_DB_mysql_result extends CI_DB_result {
/**
+ * Constructor
+ *
+ * @param object
+ * @return void
+ */
+ public function __construct(&$driver_object)
+ {
+ parent::__construct($driver_object);
+
+ // Required, due to mysql_data_seek() causing nightmares
+ // with empty result sets
+ $this->num_rows = @mysql_num_rows($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @mysql_num_rows($this->result_id);
+ return $this->num_rows;
}
// --------------------------------------------------------------------
@@ -42,10 +69,9 @@ class CI_DB_mysql_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @mysql_num_fields($this->result_id);
}
@@ -57,10 +83,9 @@ class CI_DB_mysql_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
while ($field = mysql_fetch_field($this->result_id))
@@ -78,27 +103,19 @@ class CI_DB_mysql_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- while ($field = mysql_fetch_object($this->result_id))
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- preg_match('/([a-zA-Z]+)(\((\d+)\))?/i', $field->Type, $matches);
-
- $type = $matches[1];
- $length = isset($matches[3]) ? (int) $matches[3] : NULL;
-
- $F = new stdClass();
- $F->name = $field->Field;
- $F->type = $type;
- $F->default = $field->Default;
- $F->max_length = $length;
- $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = mysql_field_name($this->result_id, $i);
+ $retval[$i]->type = mysql_field_type($this->result_id, $i);
+ $retval[$i]->max_length = mysql_field_len($this->result_id, $i);
+ $retval[$i]->primary_key = (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') === FALSE) ? 0 : 1;
+ $retval[$i]->default = '';
}
return $retval;
@@ -109,9 +126,9 @@ class CI_DB_mysql_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -125,16 +142,17 @@ class CI_DB_mysql_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
- return mysql_data_seek($this->result_id, $n);
+ return $this->num_rows
+ ? @mysql_data_seek($this->result_id, $n)
+ : FALSE;
}
// --------------------------------------------------------------------
@@ -144,10 +162,9 @@ class CI_DB_mysql_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return mysql_fetch_assoc($this->result_id);
}
@@ -159,16 +176,15 @@ class CI_DB_mysql_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @param string
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- return mysql_fetch_object($this->result_id);
+ return mysql_fetch_object($this->result_id, $class_name);
}
}
-
/* End of file mysql_result.php */
/* Location: ./system/database/drivers/mysql/mysql_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index 48c4d6316..f0bbc665e 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -1,83 +1,52 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQL Utility Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return "SHOW DATABASES";
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SHOW DATABASES';
+ protected $_optimize_table = 'OPTIMIZE TABLE %s';
+ protected $_repair_table = 'REPAIR TABLE %s';
/**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
- /**
* MySQL Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
- if (count($params) == 0)
+ if (count($params) === 0)
{
return FALSE;
}
@@ -87,16 +56,16 @@ class CI_DB_mysql_utility extends CI_DB_utility {
// Build the output
$output = '';
- foreach ((array)$tables as $table)
+ foreach ( (array) $tables as $table)
{
// Is the table in the "ignore" list?
- if (in_array($table, (array)$ignore, TRUE))
+ if (in_array($table, (array) $ignore, TRUE))
{
continue;
}
// Get the table schema
- $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`');
+ $query = $this->db->query('SHOW CREATE TABLE '.$this->db->escape_identifiers($this->db->database.'.'.$table));
// No result means the table name was invalid
if ($query === FALSE)
@@ -107,9 +76,9 @@ class CI_DB_mysql_utility extends CI_DB_utility {
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
- if ($add_drop == TRUE)
+ if ($add_drop === TRUE)
{
- $output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
+ $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
}
$i = 0;
@@ -123,21 +92,21 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// If inserts are not needed we're done...
- if ($add_insert == FALSE)
+ if ($add_insert === FALSE)
{
continue;
}
// Grab all the data from the current table
- $query = $this->db->query("SELECT * FROM $table");
+ $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
- if ($query->num_rows() == 0)
+ if ($query->num_rows() === 0)
{
continue;
}
// Fetch the field names and determine if the field is an
- // integer type. We use this info to decide whether to
+ // integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
@@ -146,20 +115,17 @@ class CI_DB_mysql_utility extends CI_DB_utility {
while ($field = mysql_fetch_field($query->result_id))
{
// Most versions of MySQL store timestamp as a string
- $is_int[$i] = (in_array(
- strtolower(mysql_field_type($query->result_id, $i)),
- array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
- TRUE)
- ) ? TRUE : FALSE;
+ $is_int[$i] = in_array(strtolower(mysql_field_type($query->result_id, $i)),
+ array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
+ TRUE);
// Create a string of field names
- $field_str .= '`'.$field->name.'`, ';
+ $field_str .= $this->db->escape_identifiers($field->name).', ';
$i++;
}
// Trim off the end comma
- $field_str = preg_replace( "/, $/" , "" , $field_str);
-
+ $field_str = preg_replace('/, $/' , '', $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
@@ -177,14 +143,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
else
{
// Escape the data if it's not an integer
- if ($is_int[$i] == FALSE)
- {
- $val_str .= $this->db->escape($v);
- }
- else
- {
- $val_str .= $v;
- }
+ $val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
}
// Append a comma
@@ -193,10 +152,10 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// Remove the comma at the end of the string
- $val_str = preg_replace( "/, $/" , "" , $val_str);
+ $val_str = preg_replace('/, $/' , '', $val_str);
// Build the INSERT string
- $output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
+ $output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
$output .= $newline.$newline;
@@ -204,6 +163,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
return $output;
}
+
}
/* End of file mysql_utility.php */
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index ccd110f79..be61aab20 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -1,81 +1,73 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
- * MySQLi Database Adapter Class - MySQLi only works with PHP 5
+ * MySQLi Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_driver extends CI_DB {
- var $dbdriver = 'mysqli';
+ public $dbdriver = 'mysqli';
// The character used for escaping
- var $_escape_char = '`';
+ protected $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in MySQL
- var $_like_escape_str = '';
- var $_like_escape_chr = '';
+ protected $_like_escape_str = '';
+ protected $_like_escape_chr = '\\';
- /**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
- */
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' RAND()'; // database specific random keyword
+ protected $_random_keyword = ' RAND()'; // database specific random keyword
/**
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*/
- var $delete_hack = TRUE;
-
- // whether SET NAMES must be used to set the character set
- var $use_set_names;
-
- // --------------------------------------------------------------------
+ public $delete_hack = TRUE;
/**
* Non-persistent database connection
*
- * @access private called by the base class
- * @return resource
+ * @return object
*/
- function db_connect()
+ public function db_connect()
{
- if ($this->port != '')
- {
- return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port);
- }
- else
- {
- return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database);
- }
-
+ return empty($this->port)
+ ? @new mysqli($this->hostname, $this->username, $this->password, $this->database)
+ : @new mysqli($this->hostname, $this->username, $this->password, $this->database, $this->port);
}
// --------------------------------------------------------------------
@@ -83,12 +75,19 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
- * @return resource
+ * @return object
*/
- function db_pconnect()
+ public function db_pconnect()
{
- return $this->db_connect();
+ // Persistent connection support was added in PHP 5.3.0
+ if ( ! is_php('5.3'))
+ {
+ return $this->db_connect();
+ }
+
+ return empty($this->port)
+ ? @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database)
+ : @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port);
}
// --------------------------------------------------------------------
@@ -99,12 +98,11 @@ class CI_DB_mysqli_driver extends CI_DB {
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
- * @access public
* @return void
*/
- function reconnect()
+ public function reconnect()
{
- if (mysqli_ping($this->conn_id) === FALSE)
+ if ($this->conn_id !== FALSE && $this->conn_id->ping() === FALSE)
{
$this->conn_id = FALSE;
}
@@ -115,12 +113,23 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
- return @mysqli_select_db($this->conn_id, $this->database);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@$this->conn_id->select_db($database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -128,40 +137,26 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Set client character set
*
- * @access private
- * @param string
* @param string
- * @return resource
+ * @return bool
*/
- function _db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset)
{
- if ( ! isset($this->use_set_names))
- {
- // mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback
- $this->use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE;
- }
-
- if ($this->use_set_names === TRUE)
- {
- return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'");
- }
- else
- {
- return @mysqli_set_charset($this->conn_id, $charset);
- }
+ return @$this->conn_id->set_charset($charset);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- return "SELECT version() AS ver";
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = $this->conn_id->server_info;
}
// --------------------------------------------------------------------
@@ -169,15 +164,12 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
- * @return resource
+ * @return mixed
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
- $result = @mysqli_query($this->conn_id, $sql);
- return $result;
+ return @$this->conn_id->query($this->_prep_query($sql));
}
// --------------------------------------------------------------------
@@ -187,20 +179,16 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* If needed, each database adapter can prep the query string
*
- * @access private called by execute()
* @param string an SQL query
* @return string
*/
- function _prep_query($sql)
+ protected function _prep_query($sql)
{
- // "DELETE FROM TABLE" returns 0 affected rows This hack modifies
- // the query so that it returns the number of affected rows
- if ($this->delete_hack === TRUE)
+ // mysqli_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
+ // modifies the query so that it a proper number of affected rows is returned.
+ if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
- if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
- {
- $sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql);
- }
+ return preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/', 'DELETE FROM \\1 WHERE 1=1', $sql);
}
return $sql;
@@ -211,18 +199,12 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -230,7 +212,7 @@ class CI_DB_mysqli_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
$this->simple_query('SET AUTOCOMMIT=0');
$this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
@@ -242,18 +224,12 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -268,18 +244,12 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -294,12 +264,11 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -311,23 +280,14 @@ class CI_DB_mysqli_driver extends CI_DB {
return $str;
}
- if (function_exists('mysqli_real_escape_string') AND is_object($this->conn_id))
- {
- $str = mysqli_real_escape_string($this->conn_id, $str);
- }
- elseif (function_exists('mysql_escape_string'))
- {
- $str = mysql_escape_string($str);
- }
- else
- {
- $str = addslashes($str);
- }
+ $str = is_object($this->conn_id) ? $this->conn_id->real_escape_string($str) : addslashes($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -338,12 +298,11 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
- return @mysqli_affected_rows($this->conn_id);
+ return $this->conn_id->affected_rows;
}
// --------------------------------------------------------------------
@@ -351,43 +310,11 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function insert_id()
{
- return @mysqli_insert_id($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @access public
- * @param string
- * @return string
- */
- function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
+ return $this->conn_id->insert_id;
}
// --------------------------------------------------------------------
@@ -397,17 +324,16 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char;
+ $sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database);
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
- $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
+ return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
@@ -420,190 +346,61 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
- * Field data query
- *
- * Generates a platform-specific query so that the column data can be retrieved
+ * Returns an object with field data
*
- * @access public
* @param string the table name
* @return object
*/
- function _field_data($table)
+ public function field_data($table = '')
{
- return "DESCRIBE ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
- * @return string
- */
- function _error_message()
- {
- return mysqli_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return mysqli_errno($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @access private
- * @param string
- * @return string
- */
- function _escape_identifiers($item)
- {
- if ($this->_escape_char == '')
+ if ($table === '')
{
- return $item;
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
}
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
+ $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $query->result_object();
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
{
- $str = $this->_escape_char.$item.$this->_escape_char;
+ preg_match('/([a-z]+)(\(\d+\))?/', $query[$i]->Type, $matches);
+
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $query[$i]->Field;
+ $retval[$i]->type = empty($matches[1]) ? NULL : $matches[1];
+ $retval[$i]->default = $query[$i]->Default;
+ $retval[$i]->max_length = empty($matches[2]) ? NULL : preg_replace('/[^\d]/', '', $matches[2]);
+ $retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return $retval;
}
// --------------------------------------------------------------------
/**
- * From Tables
+ * Error
*
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access public
- * @param type
- * @return type
+ * @return array
*/
- function _from_tables($tables)
+ public function error()
{
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert_batch($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
+ return array('code' => $this->conn_id->errno, 'message' => $this->conn_id->error);
}
// --------------------------------------------------------------------
@@ -613,126 +410,40 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* Generates a platform-specific batch update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
- function _update_batch($table, $values, $index, $where = NULL)
+ protected function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
- $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
-
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
- if ($field != $index)
+ if ($field !== $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
- $sql = "UPDATE ".$table." SET ";
$cases = '';
-
foreach ($final as $k => $v)
{
- $cases .= $k.' = CASE '."\n";
- foreach ($v as $row)
- {
- $cases .= $row."\n";
- }
-
- $cases .= 'ELSE '.$k.' END, ';
- }
-
- $sql .= substr($cases, 0, -2);
-
- $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return "TRUNCATE ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
+ $cases .= $k.' = CASE '."\n"
+ .implode("\n", $v)."\n"
+ .'ELSE '.$k.' END, ';
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Limit string
- *
- * Generates a platform-specific LIMIT clause
- *
- * @access public
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
- * @return string
- */
- function _limit($sql, $limit, $offset)
- {
- $sql .= "LIMIT ".$limit;
+ $where = ($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '';
- if ($offset > 0)
- {
- $sql .= " OFFSET ".$offset;
- }
-
- return $sql;
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN('.implode(',', $ids).')';
}
// --------------------------------------------------------------------
@@ -740,18 +451,14 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @mysqli_close($conn_id);
+ $this->conn_id->close();
}
-
}
-
/* End of file mysqli_driver.php */
/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php
index 260549457..b74c775b2 100644
--- a/system/database/drivers/mysqli/mysqli_forge.php
+++ b/system/database/drivers/mysqli/mysqli_forge.php
@@ -1,119 +1,106 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQLi Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
/**
* Process Fields
*
- * @access private
* @param mixed the fields
* @return string
*/
- function _process_fields($fields)
+ protected function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->escape_identifiers($field);
- if (array_key_exists('NAME', $attributes))
- {
- $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
- }
+ empty($attributes['NAME']) OR $sql .= ' '.$this->db->escape_identifiers($attributes['NAME']).' ';
- if (array_key_exists('TYPE', $attributes))
+ if ( ! empty($attributes['TYPE']))
{
- $sql .= ' '.$attributes['TYPE'];
+ $sql .= ' '.$attributes['TYPE'];
+
+ if ( ! empty($attributes['CONSTRAINT']))
+ {
+ switch (strtolower($attributes['TYPE']))
+ {
+ case 'decimal':
+ case 'float':
+ case 'numeric':
+ $sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
+ break;
+ case 'enum':
+ case 'set':
+ $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
+ break;
+ default:
+ $sql .= '('.$attributes['CONSTRAINT'].')';
+ }
+ }
}
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
@@ -134,15 +121,14 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
/**
* Create Table
*
- * @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -151,15 +137,12 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
-
- $sql .= $this->_process_fields($fields);
+ $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields);
if (count($primary_keys) > 0)
{
- $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")";
+ $key_name = $this->db->escape_identifiers(implode('_', $primary_keys));
+ $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
@@ -168,35 +151,20 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key_name = $this->db->_protect_identifiers(implode('_', $key));
- $key = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->escape_identifiers(implode('_', $key));
+ $key = $this->db->escape_identifiers($key);
}
else
{
- $key_name = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->escape_identifiers($key);
$key = array($key_name);
}
- $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')';
}
}
- $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};";
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return string
- */
- function _drop_table($table)
- {
- return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
+ return $sql."\n) DEFAULT CHARACTER SET ".$this->db->char_set.' COLLATE '.$this->db->dbcollat.';';
}
// --------------------------------------------------------------------
@@ -207,49 +175,24 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
- {
- return $sql.$this->db->_protect_identifiers($fields);
- }
-
- $sql .= $this->_process_fields($fields);
-
- if ($after_field != '')
+ if ($alter_type === 'DROP')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.$this->db->escape_identifiers($fields);
}
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return $sql.$this->_process_fields($fields)
+ .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
}
}
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index bbfb8481a..c1ec4da76 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -1,40 +1,52 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQLi Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.3
*/
class CI_DB_mysqli_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @mysqli_num_rows($this->result_id);
+ return is_int($this->num_rows)
+ ? $this->num_rows
+ : $this->num_rows = $this->result_id->num_rows;
}
// --------------------------------------------------------------------
@@ -42,12 +54,11 @@ class CI_DB_mysqli_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
- return @mysqli_num_fields($this->result_id);
+ return $this->result_id->field_count;
}
// --------------------------------------------------------------------
@@ -57,13 +68,12 @@ class CI_DB_mysqli_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- while ($field = mysqli_fetch_field($this->result_id))
+ while ($field = $this->result_id->fetch_field())
{
$field_names[] = $field->name;
}
@@ -78,44 +88,37 @@ class CI_DB_mysqli_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- while ($field = mysqli_fetch_object($this->result_id))
+ $field_data = $this->result_id->fetch_fields();
+ for ($i = 0, $c = count($field_data); $i < $c; $i++)
{
- preg_match('/([a-zA-Z]+)(\((\d+)\))?/i', $field->Type, $matches);
-
- $type = $matches[1];
- $length = isset($matches[3]) ? (int) $matches[3] : NULL;
-
- $F = new stdClass();
- $F->name = $field->Field;
- $F->type = $type;
- $F->default = $field->Default;
- $F->max_length = $length;
- $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $field_data[$i]->name;
+ $retval[$i]->type = $field_data[$i]->type;
+ $retval[$i]->max_length = $field_data[$i]->max_length;
+ $retval[$i]->primary_key = (int) ($field_data[$i]->flags & 2);
+ $retval[$i]->default = '';
}
return $retval;
}
-
+
// --------------------------------------------------------------------
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_object($this->result_id))
{
- mysqli_free_result($this->result_id);
+ $this->result_id->free();
$this->result_id = FALSE;
}
}
@@ -125,16 +128,15 @@ class CI_DB_mysqli_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
- return mysqli_data_seek($this->result_id, $n);
+ return $this->result_id->data_seek($n);
}
// --------------------------------------------------------------------
@@ -144,12 +146,11 @@ class CI_DB_mysqli_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
- return mysqli_fetch_assoc($this->result_id);
+ return $this->result_id->fetch_assoc();
}
// --------------------------------------------------------------------
@@ -159,16 +160,15 @@ class CI_DB_mysqli_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @param string
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- return mysqli_fetch_object($this->result_id);
+ return $this->result_id->fetch_object($class_name);
}
}
-
/* End of file mysqli_result.php */
/* Location: ./system/database/drivers/mysqli/mysqli_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php
index e17889b8c..5d2bdbce0 100644
--- a/system/database/drivers/mysqli/mysqli_utility.php
+++ b/system/database/drivers/mysqli/mysqli_utility.php
@@ -1,86 +1,169 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQLi Utility Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_utility extends CI_DB_utility {
+ protected $_list_databases = 'SHOW DATABASES';
+ protected $_optimize_table = 'OPTIMIZE TABLE %s';
+ protected $_repair_table = 'REPAIR TABLE %s';
+
/**
- * List databases
+ * MySQLi Export
*
- * @access private
- * @return bool
+ * @param array Preferences
+ * @return mixed
*/
- function _list_databases()
+ protected function _backup($params = array())
{
- return "SHOW DATABASES";
- }
+ if (count($params) === 0)
+ {
+ return FALSE;
+ }
- // --------------------------------------------------------------------
+ // Extract the prefs for simplicity
+ extract($params);
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
- }
+ // Build the output
+ $output = '';
+ foreach ( (array) $tables as $table)
+ {
+ // Is the table in the "ignore" list?
+ if (in_array($table, (array) $ignore, TRUE))
+ {
+ continue;
+ }
- // --------------------------------------------------------------------
+ // Get the table schema
+ $query = $this->db->query('SHOW CREATE TABLE '.$this->db->escape_identifiers($this->db->database.'.'.$table));
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
- }
+ // No result means the table name was invalid
+ if ($query === FALSE)
+ {
+ continue;
+ }
- // --------------------------------------------------------------------
+ // Write out the table schema
+ $output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
- /**
- * MySQLi Export
- *
- * @access private
- * @param array Preferences
- * @return mixed
- */
- function _backup($params = array())
- {
- // Currently unsupported
- return $this->db->display_error('db_unsuported_feature');
+ if ($add_drop === TRUE)
+ {
+ $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
+ }
+
+ $i = 0;
+ $result = $query->result_array();
+ foreach ($result[0] as $val)
+ {
+ if ($i++ % 2)
+ {
+ $output .= $val.';'.$newline.$newline;
+ }
+ }
+
+ // If inserts are not needed we're done...
+ if ($add_insert === FALSE)
+ {
+ continue;
+ }
+
+ // Grab all the data from the current table
+ $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
+
+ if ($query->num_rows() === 0)
+ {
+ continue;
+ }
+
+ // Fetch the field names and determine if the field is an
+ // integer type. We use this info to decide whether to
+ // surround the data with quotes or not
+
+ $i = 0;
+ $field_str = '';
+ $is_int = array();
+ while ($field = $query->result_id->fetch_field())
+ {
+ // Most versions of MySQL store timestamp as a string
+ $is_int[$i] = in_array(strtolower($field->type),
+ array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
+ TRUE);
+
+ // Create a string of field names
+ $field_str .= $this->db->escape_identifiers($field->name).', ';
+ $i++;
+ }
+
+ // Trim off the end comma
+ $field_str = preg_replace('/, $/' , '', $field_str);
+
+ // Build the insert string
+ foreach ($query->result_array() as $row)
+ {
+ $val_str = '';
+
+ $i = 0;
+ foreach ($row as $v)
+ {
+ // Is the value NULL?
+ if ($v === NULL)
+ {
+ $val_str .= 'NULL';
+ }
+ else
+ {
+ // Escape the data if it's not an integer
+ $val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
+ }
+
+ // Append a comma
+ $val_str .= ', ';
+ $i++;
+ }
+
+ // Remove the comma at the end of the string
+ $val_str = preg_replace('/, $/' , '', $val_str);
+
+ // Build the INSERT string
+ $output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
+ }
+
+ $output .= $newline.$newline;
+ }
+
+ return $output;
}
+
}
/* End of file mysqli_utility.php */
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index d4adfd528..691247fee 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -1,31 +1,41 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* oci8 Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
@@ -35,122 +45,159 @@
* This is a modification of the DB_driver class to
* permit access to oracle databases
*
- * NOTE: this uses the PHP 4 oci methods
- *
* @author Kelly McArdle
- *
*/
-
class CI_DB_oci8_driver extends CI_DB {
- var $dbdriver = 'oci8';
+ public $dbdriver = 'oci8';
// The character used for excaping
- var $_escape_char = '"';
+ protected $_escape_char = '"';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " escape '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = "SELECT COUNT(1) AS ";
- var $_random_keyword = ' ASC'; // not currently supported
+ protected $_count_string = 'SELECT COUNT(1) AS ';
+ protected $_random_keyword = ' ASC'; // not currently supported
+
+ protected $_reserved_identifiers = array('*', 'rownum');
// Set "auto commit" by default
- var $_commit = OCI_COMMIT_ON_SUCCESS;
+ public $commit_mode = OCI_COMMIT_ON_SUCCESS;
// need to track statement id and cursor id
- var $stmt_id;
- var $curs_id;
+ public $stmt_id;
+ public $curs_id;
// if we use a limit, we will add a field that will
// throw off num_fields later
- var $limit_used;
+ public $limit_used;
- /**
- * Non-persistent database connection
- *
- * @access private called by the base class
- * @return resource
- */
- function db_connect()
+ public function __construct($params)
{
- return @ocilogon($this->username, $this->password, $this->hostname);
- }
+ parent::__construct($params);
- // --------------------------------------------------------------------
+ $valid_dsns = array(
+ 'tns' => '/^\(DESCRIPTION=(\(.+\)){2,}\)$/', // TNS
+ // Easy Connect string (Oracle 10g+)
+ 'ec' => '/^(\/\/)?[a-z0-9.:_-]+(:[1-9][0-9]{0,4})?(\/[a-z0-9$_]+)?(:[^\/])?(\/[a-z0-9$_]+)?$/i',
+ 'in' => '/^[a-z0-9$_]+$/i' // Instance name (defined in tnsnames.ora)
+ );
- /**
- * Persistent database connection
- *
- * @access private called by the base class
- * @return resource
- */
- function db_pconnect()
- {
- return @ociplogon($this->username, $this->password, $this->hostname);
- }
+ /* Space characters don't have any effect when actually
+ * connecting, but can be a hassle while validating the DSN.
+ */
+ $this->dsn = str_replace(array("\n", "\r", "\t", ' '), '', $this->dsn);
- // --------------------------------------------------------------------
+ if ($this->dsn !== '')
+ {
+ foreach ($valid_dsns as $regexp)
+ {
+ if (preg_match($regexp, $this->dsn))
+ {
+ return;
+ }
+ }
+ }
- /**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- function reconnect()
- {
- // not implemented in oracle
+ // Legacy support for TNS in the hostname configuration field
+ $this->hostname = str_replace(array("\n", "\r", "\t", ' '), '', $this->hostname);
+ if (preg_match($valid_dsns['tns'], $this->hostname))
+ {
+ $this->dsn = $this->hostname;
+ return;
+ }
+ elseif ($this->hostname !== '' && strpos($this->hostname, '/') === FALSE && strpos($this->hostname, ':') === FALSE
+ && (( ! empty($this->port) && ctype_digit($this->port)) OR $this->database !== ''))
+ {
+ /* If the hostname field isn't empty, doesn't contain
+ * ':' and/or '/' and if port and/or database aren't
+ * empty, then the hostname field is most likely indeed
+ * just a hostname. Therefore we'll try and build an
+ * Easy Connect string from these 3 settings, assuming
+ * that the database field is a service name.
+ */
+ $this->dsn = $this->hostname
+ .(( ! empty($this->port) && ctype_digit($this->port)) ? ':'.$this->port : '')
+ .($this->database !== '' ? '/'.ltrim($this->database, '/') : '');
+
+ if (preg_match($valid_dsns['ec'], $this->dsn))
+ {
+ return;
+ }
+ }
+
+ /* At this point, we can only try and validate the hostname and
+ * database fields separately as DSNs.
+ */
+ if (preg_match($valid_dsns['ec'], $this->hostname) OR preg_match($valid_dsns['in'], $this->hostname))
+ {
+ $this->dsn = $this->hostname;
+ return;
+ }
+
+ $this->database = str_replace(array("\n", "\r", "\t", ' '), '', $this->database);
+ foreach ($valid_dsns as $regexp)
+ {
+ if (preg_match($regexp, $this->database))
+ {
+ return;
+ }
+ }
+
+ /* Well - OK, an empty string should work as well.
+ * PHP will try to use environment variables to
+ * determine which Oracle instance to connect to.
+ */
+ $this->dsn = '';
}
// --------------------------------------------------------------------
/**
- * Select the database
+ * Non-persistent database connection
*
- * @access private called by the base class
- * @return resource
+ * @return resource
*/
- function db_select()
+ public function db_connect()
{
- return TRUE;
+ return ( ! empty($this->char_set))
+ ? @oci_connect($this->username, $this->password, $this->dsn, $this->char_set)
+ : @oci_connect($this->username, $this->password, $this->dsn);
}
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Persistent database connection
*
- * @access public
- * @param string
- * @param string
* @return resource
*/
- function db_set_charset($charset, $collation)
+ public function db_pconnect()
{
- // @todo - add support if needed
- return TRUE;
+ return empty($this->char_set)
+ ? @oci_pconnect($this->username, $this->password, $this->dsn)
+ : @oci_pconnect($this->username, $this->password, $this->dsn, $this->char_set);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
- * @access public
- * @return string
+ * @return string
*/
- function _version()
+ public function version()
{
- return ociserverversion($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = oci_server_version($this->conn_id);
}
// --------------------------------------------------------------------
@@ -158,63 +205,46 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
- * @param string an SQL query
- * @return resource
+ * @param string an SQL query
+ * @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- // oracle must parse the query before it is run. All of the actions with
- // the query are based on the statement id returned by ociparse
+ /* Oracle must parse the query before it is run. All of the actions with
+ * the query are based on the statement id returned by oci_parse().
+ */
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
- ocisetprefetch($this->stmt_id, 1000);
- return @ociexecute($this->stmt_id, $this->_commit);
+ oci_set_prefetch($this->stmt_id, 1000);
+ return @oci_execute($this->stmt_id, $this->commit_mode);
}
+ // --------------------------------------------------------------------
+
/**
* Generate a statement ID
*
- * @access private
- * @param string an SQL query
- * @return none
+ * @param string an SQL query
+ * @return void
*/
- function _set_stmt_id($sql)
+ protected function _set_stmt_id($sql)
{
if ( ! is_resource($this->stmt_id))
{
- $this->stmt_id = ociparse($this->conn_id, $this->_prep_query($sql));
+ $this->stmt_id = oci_parse($this->conn_id, $sql);
}
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
+ * Get cursor. Returns a cursor from the database
*
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * getCursor. Returns a cursor from the datbase
- *
- * @access public
- * @return cursor id
+ * @return resource
*/
- function get_cursor()
+ public function get_cursor()
{
- $this->curs_id = ocinewcursor($this->conn_id);
- return $this->curs_id;
+ return $this->curs_id = oci_new_cursor($this->conn_id);
}
// --------------------------------------------------------------------
@@ -222,24 +252,23 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Stored Procedure. Executes a stored procedure
*
- * @access public
- * @param package package stored procedure is in
- * @param procedure stored procedure to execute
- * @param params array of parameters
- * @return array
+ * @param string package name in which the stored procedure is in
+ * @param string stored procedure name to execute
+ * @param array parameters
+ * @return mixed
*
* params array keys
*
* KEY OPTIONAL NOTES
- * name no the name of the parameter should be in :<param_name> format
- * value no the value of the parameter. If this is an OUT or IN OUT parameter,
- * this should be a reference to a variable
- * type yes the type of the parameter
- * length yes the max size of the parameter
+ * name no the name of the parameter should be in :<param_name> format
+ * value no the value of the parameter. If this is an OUT or IN OUT parameter,
+ * this should be a reference to a variable
+ * type yes the type of the parameter
+ * length yes the max size of the parameter
*/
- function stored_procedure($package, $procedure, $params)
+ public function stored_procedure($package, $procedure, $params)
{
- if ($package == '' OR $procedure == '' OR ! is_array($params))
+ if ($package === '' OR $procedure === '' OR ! is_array($params))
{
if ($this->db_debug)
{
@@ -250,24 +279,24 @@ class CI_DB_oci8_driver extends CI_DB {
}
// build the query string
- $sql = "begin $package.$procedure(";
+ $sql = 'BEGIN '.$package.'.'.$procedure.'(';
$have_cursor = FALSE;
foreach ($params as $param)
{
- $sql .= $param['name'] . ",";
+ $sql .= $param['name'].',';
- if (array_key_exists('type', $param) && ($param['type'] == OCI_B_CURSOR))
+ if (isset($param['type']) && $param['type'] === OCI_B_CURSOR)
{
$have_cursor = TRUE;
}
}
- $sql = trim($sql, ",") . "); end;";
+ $sql = trim($sql, ',') . '); END;';
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
$this->_bind_params($params);
- $this->query($sql, FALSE, $have_cursor);
+ return $this->query($sql, FALSE, $have_cursor);
}
// --------------------------------------------------------------------
@@ -275,10 +304,10 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Bind parameters
*
- * @access private
- * @return none
+ * @param array
+ * @return void
*/
- function _bind_params($params)
+ protected function _bind_params($params)
{
if ( ! is_array($params) OR ! is_resource($this->stmt_id))
{
@@ -295,7 +324,7 @@ class CI_DB_oci8_driver extends CI_DB {
}
}
- ocibindbyname($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
+ oci_bind_by_name($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
}
}
@@ -304,10 +333,10 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
+ * @param bool
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -325,7 +354,7 @@ class CI_DB_oci8_driver extends CI_DB {
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
- $this->_commit = OCI_DEFAULT;
+ $this->commit_mode = (is_php('5.3.2')) ? OCI_NO_AUTO_COMMIT : OCI_DEFAULT;
return TRUE;
}
@@ -334,10 +363,9 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
if ( ! $this->trans_enabled)
{
@@ -350,9 +378,8 @@ class CI_DB_oci8_driver extends CI_DB {
return TRUE;
}
- $ret = OCIcommit($this->conn_id);
- $this->_commit = OCI_COMMIT_ON_SUCCESS;
- return $ret;
+ $this->commit_mode = OCI_COMMIT_ON_SUCCESS;
+ return oci_commit($this->conn_id);
}
// --------------------------------------------------------------------
@@ -360,25 +387,18 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- $ret = OCIrollback($this->conn_id);
- $this->_commit = OCI_COMMIT_ON_SUCCESS;
- return $ret;
+ $this->commit_mode = OCI_COMMIT_ON_SUCCESS;
+ return oci_rollback($this->conn_id);
}
// --------------------------------------------------------------------
@@ -386,12 +406,11 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Escape String
*
- * @access public
- * @param string
+ * @param string
* @param bool whether or not the string will be used in a LIKE condition
- * @return string
+ * @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -403,15 +422,14 @@ class CI_DB_oci8_driver extends CI_DB {
return $str;
}
- $str = remove_invisible_characters($str);
- $str = str_replace("'", "''", $str);
+ $str = str_replace("'", "''", remove_invisible_characters($str));
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -422,12 +440,11 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
- return @ocirowcount($this->stmt_id);
+ return @oci_num_rows($this->stmt_id);
}
// --------------------------------------------------------------------
@@ -435,10 +452,9 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function insert_id()
{
// not supported in oracle
return $this->display_error('db_unsupported_function');
@@ -447,52 +463,21 @@ class CI_DB_oci8_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @access public
- * @param string
- * @return string
- */
- function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query == FALSE)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
- * @return string
+ * @param bool
+ * @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SELECT TABLE_NAME FROM ALL_TABLES";
+ $sql = 'SELECT "TABLE_NAME" FROM "ALL_TABLES"';
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
- $sql .= " WHERE TABLE_NAME LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ return $sql.' WHERE "TABLE_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
@@ -505,13 +490,12 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
- * @param string the table name
- * @return string
+ * @param string the table name
+ * @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'";
+ return 'SELECT "COLUMN_NAME" FROM "all_tab_columns" WHERE "TABLE_NAME" = '.$this->escape($table);
}
// --------------------------------------------------------------------
@@ -521,83 +505,43 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
- * @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT * FROM ".$table." where rownum = 1";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
- * @return string
- */
- function _error_message()
- {
- $error = ocierror($this->conn_id);
- return $error['message'];
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @access private
- * @return integer
+ * @param string the table name
+ * @return string
*/
- function _error_number()
+ protected function _field_data($table)
{
- $error = ocierror($this->conn_id);
- return $error['code'];
+ return 'SELECT * FROM '.$this->protect_identifiers($table).' WHERE rownum = 1';
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
+ /* oci_error() returns an array that already contains the
+ * 'code' and 'message' keys, so we can just return it.
+ */
+ if (is_resource($this->curs_id))
{
- return $item;
+ return oci_error($this->curs_id);
}
-
- foreach ($this->_reserved_identifiers as $id)
+ elseif (is_resource($this->stmt_id))
{
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
+ return oci_error($this->stmt_id);
}
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
+ elseif (is_resource($this->conn_id))
{
- $str = $this->_escape_char.$item.$this->_escape_char;
+ return oci_error($this->conn_id);
}
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return oci_error();
}
// --------------------------------------------------------------------
@@ -608,71 +552,37 @@ class CI_DB_oci8_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return implode(', ', $tables);
+ return is_array($tables) ? implode(', ', $tables) : $tables;
}
// --------------------------------------------------------------------
/**
- * Insert statement
+ * Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
* @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the insert keys
+ * @param array the insert values
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _insert_batch($table, $keys, $values)
{
- foreach ($values as $key => $val)
+ $keys = implode(', ', $keys);
+ $sql = "INSERT ALL\n";
+
+ for ($i = 0, $c = count($values); $i < $c; $i++)
{
- $valstr[] = $key." = ".$val;
+ $sql .= ' INTO '.$table.' ('.$keys.') VALUES '.$values[$i]."\n";
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
+ return $sql.'SELECT * FROM dual';
}
// --------------------------------------------------------------------
@@ -681,16 +591,16 @@ class CI_DB_oci8_driver extends CI_DB {
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access public
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
* @param string the table name
* @return string
*/
- function _truncate($table)
+ protected function _truncate($table)
{
- return "TRUNCATE TABLE ".$table;
+ return 'TRUNCATE TABLE '.$table;
}
// --------------------------------------------------------------------
@@ -700,31 +610,21 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
* @param array the where clause
+ * @param array the like clause
* @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
+ $conditions = array();
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+ empty($limit) OR $conditions[] = 'rownum <= '.$limit;
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
}
// --------------------------------------------------------------------
@@ -734,26 +634,16 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
- * @return string
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
- $limit = $offset + $limit;
- $newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)";
-
- if ($offset != 0)
- {
- $newsql .= " WHERE rnum >= $offset";
- }
-
- // remember that we used limits
$this->limit_used = TRUE;
-
- return $newsql;
+ return 'SELECT * FROM (SELECT inner_query.*, rownum rnum FROM ('.$sql.') inner_query WHERE rownum < '.($offset + $limit + 1).')'
+ .($offset ? ' WHERE rnum >= '.($offset + 1): '');
}
// --------------------------------------------------------------------
@@ -761,19 +651,14 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
- * @return void
+ * @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @ocilogoff($conn_id);
+ @oci_close($this->conn_id);
}
-
}
-
-
/* End of file oci8_driver.php */
/* Location: ./system/database/drivers/oci8/oci8_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php
index 3cd17585a..92e8c02ed 100644
--- a/system/database/drivers/oci8/oci8_forge.php
+++ b/system/database/drivers/oci8/oci8_forge.php
@@ -1,69 +1,54 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Oracle Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access public
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_database = FALSE;
+ protected $_drop_database = FALSE;
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return string
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -72,54 +57,38 @@ class CI_DB_oci8_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if (isset($attributes['UNSINGED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= (isset($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? '' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' AUTO_INCREMENT';
- }
+ empty($attributes['CONSTRAINT']) OR ' CONSTRAINT '.$attributes['CONSTRAINT'];
}
// don't add a comma on the end of the last field
@@ -131,43 +100,22 @@ class CI_DB_oci8_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tCONSTRAINT ".$table.' PRIMARY KEY ('.implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
- if (is_array($key))
- {
- $key = $this->db->_protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->_protect_identifiers($key));
- }
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
- $sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tUNIQUE COLUMNS (".implode(', ', $key).')';
}
}
- $sql .= "\n)";
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- return FALSE;
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -178,70 +126,32 @@ class CI_DB_oci8_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name);
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
return $sql;
}
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
+ return $sql.' '.$column_definition
+ .($default_value !== '' ? ' DEFAULT "'.$default_value.'"' : '')
+ .($null === NULL ? ' NULL' : ' NOT NULL')
+ .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
-
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
}
-
}
/* End of file oci8_forge.php */
diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 88531b436..a2b600e6c 100644
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -1,56 +1,62 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* oci8 Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.4.1
*/
class CI_DB_oci8_result extends CI_DB_result {
- var $stmt_id;
- var $curs_id;
- var $limit_used;
+ public $stmt_id;
+ public $curs_id;
+ public $limit_used;
+ public $commit_mode;
/**
- * Number of rows in the result set.
+ * Constructor
*
- * Oracle doesn't have a graceful way to retun the number of rows
- * so we have to use what amounts to a hack.
- *
- *
- * @access public
- * @return integer
+ * @param object
+ * @return void
*/
- function num_rows()
+ public function __construct(&$driver_object)
{
- $rowcount = count($this->result_array());
- @ociexecute($this->stmt_id);
-
- if ($this->curs_id)
- {
- @ociexecute($this->curs_id);
- }
+ parent::__construct($driver_object);
- return $rowcount;
+ $this->stmt_id = $driver_object->stmt_id;
+ $this->curs_id = $driver_object->curs_id;
+ $this->limit_used = $driver_object->limit_used;
+ $this->commit_mode =& $driver_object->commit_mode;
+ $driver_object->stmt_id = FALSE;
}
// --------------------------------------------------------------------
@@ -58,20 +64,14 @@ class CI_DB_oci8_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
- $count = @ocinumcols($this->stmt_id);
+ $count = @oci_num_fields($this->stmt_id);
// if we used a limit we subtract it
- if ($this->limit_used)
- {
- $count = $count - 1;
- }
-
- return $count;
+ return ($this->limit_used) ? $count - 1 : $count;
}
// --------------------------------------------------------------------
@@ -81,16 +81,14 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- $fieldCount = $this->num_fields();
- for ($c = 1; $c <= $fieldCount; $c++)
+ for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
- $field_names[] = ocicolumnname($this->stmt_id, $c);
+ $field_names[] = oci_field_name($this->stmt_id, $c);
}
return $field_names;
}
@@ -102,19 +100,17 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
- * @return array
+ * @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- $fieldCount = $this->num_fields();
- for ($c = 1; $c <= $fieldCount; $c++)
+ for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
- $F = new stdClass();
- $F->name = ocicolumnname($this->stmt_id, $c);
- $F->type = ocicolumntype($this->stmt_id, $c);
- $F->max_length = ocicolumnsize($this->stmt_id, $c);
+ $F = new stdClass();
+ $F->name = oci_field_name($this->stmt_id, $c);
+ $F->type = oci_field_type($this->stmt_id, $c);
+ $F->max_length = oci_field_size($this->stmt_id, $c);
$retval[] = $F;
}
@@ -127,15 +123,26 @@ class CI_DB_oci8_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
- ocifreestatement($this->result_id);
+ oci_free_statement($this->result_id);
$this->result_id = FALSE;
}
+
+ if (is_resource($this->stmt_id))
+ {
+ oci_free_statement($this->stmt_id);
+ }
+
+ if (is_resource($this->curs_id))
+ {
+ oci_cancel($this->curs_id);
+ $this->curs_id = NULL;
+ }
}
// --------------------------------------------------------------------
@@ -145,14 +152,12 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
- * @return array
+ * @return array
*/
- function _fetch_assoc(&$row)
+ protected function _fetch_assoc()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
-
- return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS);
+ return oci_fetch_assoc($id);
}
// --------------------------------------------------------------------
@@ -162,88 +167,87 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
- * @return object
+ * @param string
+ * @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- $result = array();
+ $row = ($this->curs_id)
+ ? oci_fetch_object($this->curs_id)
+ : oci_fetch_object($this->stmt_id);
- // If PHP 5 is being used we can fetch an result object
- if (function_exists('oci_fetch_object'))
+ if ($class_name === 'stdClass' OR ! $row)
{
- $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
-
- return @oci_fetch_object($id);
+ return $row;
}
- // If PHP 4 is being used we have to build our own result
- foreach ($this->result_array() as $key => $val)
+ $class_name = new $class_name();
+ foreach ($row as $key => $value)
{
- $obj = new stdClass();
- if (is_array($val))
- {
- foreach ($val as $k => $v)
- {
- $obj->$k = $v;
- }
- }
- else
- {
- $obj->$key = $val;
- }
-
- $result[] = $obj;
+ $class_name->$key = $value;
}
- return $result;
+ return $class_name;
}
// --------------------------------------------------------------------
/**
- * Query result. "array" version.
+ * Data Seek
+ *
+ * Moves the internal pointer to the desired offset. We call
+ * this internally before fetching results to make sure the
+ * result set starts at zero.
*
- * @access public
- * @return array
+ * Oracle's PHP extension doesn't have an easy way of doing this
+ * and the only workaround is to (re)execute the statement or cursor
+ * in order to go to the first (zero) index of the result set.
+ * Then, we would need to "dummy" fetch ($n - 1) rows to get to the
+ * right one.
+ *
+ * This is as ridiculous as it sounds and it's the reason why every
+ * other method that is fetching data tries to use an already "cached"
+ * result set. Keeping this just in case it becomes needed at
+ * some point in the future, but it will only work for resetting the
+ * pointer to zero.
+ *
+ * @return bool
*/
- function result_array()
+ protected function _data_seek()
{
- if (count($this->result_array) > 0)
+ /* The PHP manual says that if OCI_NO_AUTO_COMMIT mode
+ * is used, and oci_rollback() and/or oci_commit() are
+ * not subsequently called - this will cause an unnecessary
+ * rollback to be triggered at the end of the script execution.
+ *
+ * Therefore we'll try to avoid using that mode flag
+ * if we're not currently in the middle of a transaction.
+ */
+ if ($this->commit_mode !== OCI_COMMIT_ON_SUCCESS)
{
- return $this->result_array;
+ $result = @oci_execute($this->stmt_id, $this->commit_mode);
}
-
- // oracle's fetch functions do not return arrays.
- // The information is returned in reference parameters
- $row = NULL;
- while ($this->_fetch_assoc($row))
+ else
{
- $this->result_array[] = $row;
+ $result = @oci_execute($this->stmt_id);
}
- return $this->result_array;
- }
-
- // --------------------------------------------------------------------
+ if ($result && $this->curs_id)
+ {
+ if ($this->commit_mode !== OCI_COMMIT_ON_SUCCESS)
+ {
+ return @oci_execute($this->curs_id, $this->commit_mode);
+ }
+ else
+ {
+ return @oci_execute($this->curs_id);
+ }
+ }
- /**
- * Data Seek
- *
- * Moves the internal pointer to the desired offset. We call
- * this internally before fetching results to make sure the
- * result set starts at zero
- *
- * @access private
- * @return array
- */
- function _data_seek($n = 0)
- {
- return FALSE; // Not needed
+ return $result;
}
}
-
/* End of file oci8_result.php */
/* Location: ./system/database/drivers/oci8/oci8_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/oci8/oci8_utility.php b/system/database/drivers/oci8/oci8_utility.php
index 854b467e1..0183eda26 100644
--- a/system/database/drivers/oci8/oci8_utility.php
+++ b/system/database/drivers/oci8/oci8_utility.php
@@ -1,86 +1,53 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Oracle Utility Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE; // Is this supported in Oracle?
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE; // Is this supported in Oracle?
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SELECT username FROM dba_users'; // Schemas are actual usernames
/**
* Oracle Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
+
}
/* End of file oci8_utility.php */
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 08cd27b6c..8f0a474b0 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -1,69 +1,77 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* ODBC Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_odbc_driver extends CI_DB {
- var $dbdriver = 'odbc';
+ public $dbdriver = 'odbc';
// the character used to excape - not necessary for ODBC
- var $_escape_char = '';
+ protected $_escape_char = '';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " {escape '%s'} ";
- var $_like_escape_chr = '!';
-
- /**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
- */
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword;
+ protected $_like_escape_str = " {escape '%s'} ";
+ protected $_like_escape_chr = '!';
+ protected $_random_keyword;
- function CI_DB_odbc_driver($params)
+ public function __construct($params)
{
- parent::CI_DB_driver($params);
+ parent::__construct($params);
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
+
+ // Legacy support for DSN in the hostname field
+ if (empty($this->dsn))
+ {
+ $this->dsn = $this->hostname;
+ }
}
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
- return @odbc_connect($this->hostname, $this->username, $this->password);
+ return @odbc_connect($this->dsn, $this->username, $this->password);
}
// --------------------------------------------------------------------
@@ -71,71 +79,11 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
- * @return resource
- */
- function db_pconnect()
- {
- return @odbc_pconnect($this->hostname, $this->username, $this->password);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- function reconnect()
- {
- // not implemented in odbc
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Select the database
- *
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- // Not needed for ODBC
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
* @return resource
*/
- function db_set_charset($charset, $collation)
+ public function db_pconnect()
{
- // @todo - add support if needed
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
- {
- return "SELECT version() AS ver";
+ return @odbc_pconnect($this->dsn, $this->username, $this->password);
}
// --------------------------------------------------------------------
@@ -143,49 +91,25 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @odbc_exec($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -193,7 +117,7 @@ class CI_DB_odbc_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
return odbc_autocommit($this->conn_id, FALSE);
}
@@ -203,18 +127,12 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -229,18 +147,12 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -255,12 +167,11 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -272,15 +183,14 @@ class CI_DB_odbc_driver extends CI_DB {
return $str;
}
- // ODBC doesn't require escaping
$str = remove_invisible_characters($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -291,10 +201,9 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @odbc_num_rows($this->conn_id);
}
@@ -304,43 +213,11 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
- */
- function insert_id()
- {
- return @odbc_insert_id($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @access public
- * @param string
- * @return string
+ * @return bool
*/
- function count_all($table = '')
+ public function insert_id()
{
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
}
// --------------------------------------------------------------------
@@ -350,15 +227,14 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES FROM `".$this->database."`";
+ $sql = 'SHOW TABLES FROM '.$this->database;
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
//$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
return FALSE; // not currently supported
@@ -374,13 +250,12 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$table;
+ return 'SHOW COLUMNS FROM '.$table;
}
// --------------------------------------------------------------------
@@ -390,81 +265,27 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT TOP 1 FROM ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
- {
- return odbc_errormsg($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
+ protected function _field_data($table)
{
- return odbc_error($this->conn_id);
+ return 'SELECT TOP 1 FROM '.$table;
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return array('code' => odbc_error($this->conn_id), 'message' => odbc_errormsg($this->conn_id));
}
// --------------------------------------------------------------------
@@ -475,143 +296,30 @@ class CI_DB_odbc_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
- */
- function _from_tables($tables)
- {
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
+ * @param array
* @return string
*/
- function _insert($table, $keys, $values)
+ protected function _from_tables($tables)
{
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return is_array($tables) ? implode(', ', $tables) : $tables;
}
// --------------------------------------------------------------------
/**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
- }
-
-
- // --------------------------------------------------------------------
-
- /**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return $this->_delete($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
*
- * Generates a platform-specific delete string from the supplied data
- *
- * @access public
* @param string the table name
- * @param array the where clause
- * @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _truncate($table)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Limit string
- *
- * Generates a platform-specific LIMIT clause
- *
- * @access public
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
- * @return string
- */
- function _limit($sql, $limit, $offset)
- {
- // Does ODBC doesn't use the LIMIT clause?
- return $sql;
+ return 'DELETE FROM '.$table;
}
// --------------------------------------------------------------------
@@ -619,19 +327,14 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @odbc_close($conn_id);
+ @odbc_close($this->conn_id);
}
-
}
-
-
/* End of file odbc_driver.php */
/* Location: ./system/database/drivers/odbc/odbc_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php
index 3ec86b4e9..d17b046ee 100644
--- a/system/database/drivers/odbc/odbc_forge.php
+++ b/system/database/drivers/odbc/odbc_forge.php
@@ -1,81 +1,52 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* ODBC Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_odbc_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database()
- {
- // ODBC has no "create database" command since it's
- // designed to connect to an existing database
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- // ODBC has no "drop database" command since it's
- // designed to connect to an existing database
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -84,51 +55,40 @@ class CI_DB_odbc_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
-
- $sql .= ' '.$attributes['TYPE'];
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
+ empty($attributes['CONSTRAINT']) OR $sql .= '('.$attributes['CONSTRAINT'].')';
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
@@ -143,48 +103,22 @@ class CI_DB_odbc_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
- if (is_array($key))
- {
- $key = $this->db->_protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->_protect_identifiers($key));
- }
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
- $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')';
}
}
- $sql .= "\n)";
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -195,71 +129,31 @@ class CI_DB_odbc_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name);
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
return $sql;
}
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
-
- }
-
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return $sql.' '.$column_definition
+ .($default_value != '' ? ' DEFAULT "'.$default_value.'"' : '')
+ .($null === NULL ? ' NULL' : ' NOT NULL')
+ .($after_field != '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
}
-
}
/* End of file odbc_forge.php */
diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php
index 5d64a464f..48dc48dd9 100644
--- a/system/database/drivers/odbc/odbc_result.php
+++ b/system/database/drivers/odbc/odbc_result.php
@@ -1,40 +1,69 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* ODBC Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.3
*/
class CI_DB_odbc_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @odbc_num_rows($this->result_id);
+ if (is_int($this->num_rows))
+ {
+ return $this->num_rows;
+ }
+ elseif (($this->num_rows = @odbc_num_rows($this->result_id)) !== -1)
+ {
+ return $this->num_rows;
+ }
+
+ // Work-around for ODBC subdrivers that don't support num_rows()
+ if (count($this->result_array) > 0)
+ {
+ return $this->num_rows = count($this->result_array);
+ }
+ elseif (count($this->result_object) > 0)
+ {
+ return $this->num_rows = count($this->result_object);
+ }
+
+ return $this->num_rows = count($this->result_array());
}
// --------------------------------------------------------------------
@@ -42,10 +71,9 @@ class CI_DB_odbc_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @odbc_num_fields($this->result_id);
}
@@ -57,15 +85,19 @@ class CI_DB_odbc_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ $num_fields = $this->num_fields();
+
+ if ($num_fields > 0)
{
- $field_names[] = odbc_field_name($this->result_id, $i);
+ for ($i = 1; $i <= $num_fields; $i++)
+ {
+ $field_names[] = odbc_field_name($this->result_id, $i);
+ }
}
return $field_names;
@@ -78,22 +110,19 @@ class CI_DB_odbc_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $odbc_index = 1, $c = $this->num_fields(); $i < $c; $i++, $odbc_index++)
{
- $F = new stdClass();
- $F->name = odbc_field_name($this->result_id, $i);
- $F->type = odbc_field_type($this->result_id, $i);
- $F->max_length = odbc_field_len($this->result_id, $i);
- $F->primary_key = 0;
- $F->default = '';
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = odbc_field_name($this->result_id, $odbc_index);
+ $retval[$i]->type = odbc_field_type($this->result_id, $odbc_index);
+ $retval[$i]->max_length = odbc_field_len($this->result_id, $odbc_index);
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
}
return $retval;
@@ -104,9 +133,9 @@ class CI_DB_odbc_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -118,111 +147,112 @@ class CI_DB_odbc_result extends CI_DB_result {
// --------------------------------------------------------------------
/**
- * Data Seek
+ * Result - associative array
*
- * Moves the internal pointer to the desired offset. We call
- * this internally before fetching results to make sure the
- * result set starts at zero
+ * Returns the result set as an array
*
- * @access private
* @return array
*/
- function _data_seek($n = 0)
+ protected function _fetch_assoc()
{
- return FALSE;
+ return odbc_fetch_array($this->result_id);
}
// --------------------------------------------------------------------
/**
- * Result - associative array
+ * Result - object
*
- * Returns the result set as an array
+ * Returns the result set as an object
*
- * @access private
- * @return array
+ * @param string
+ * @return object
*/
- function _fetch_assoc()
+ protected function _fetch_object($class_name = 'stdClass')
{
- if (function_exists('odbc_fetch_object'))
+ $row = odbc_fetch_object($this->result_id);
+
+ if ($class_name === 'stdClass' OR ! $row)
{
- return odbc_fetch_array($this->result_id);
+ return $row;
}
- else
+
+ $class_name = new $class_name();
+ foreach ($row as $key => $value)
{
- return $this->_odbc_fetch_array($this->result_id);
+ $class_name->$key = $value;
}
+
+ return $class_name;
}
- // --------------------------------------------------------------------
+}
+// --------------------------------------------------------------------
+
+if ( ! function_exists('odbc_fetch_array'))
+{
/**
- * Result - object
+ * ODBC Fetch array
*
- * Returns the result set as an object
+ * Emulates the native odbc_fetch_array() function when
+ * it is not available (odbc_fetch_array() requires unixODBC)
*
- * @access private
- * @return object
+ * @param resource
+ * @param int
+ * @return array
*/
- function _fetch_object()
+ function odbc_fetch_array(& $result, $rownumber = 1)
{
- if (function_exists('odbc_fetch_object'))
+ $rs = array();
+ if ( ! odbc_fetch_into($result, $rs, $rownumber))
{
- return odbc_fetch_object($this->result_id);
+ return FALSE;
}
- else
+
+ $rs_assoc = array();
+ foreach ($rs as $k => $v)
{
- return $this->_odbc_fetch_object($this->result_id);
+ $field_name = odbc_field_name($result, $k+1);
+ $rs_assoc[$field_name] = $v;
}
+
+ return $rs_assoc;
}
+}
+// --------------------------------------------------------------------
+if ( ! function_exists('odbc_fetch_object'))
+{
/**
- * Result - object
+ * ODBC Fetch object
*
- * subsititutes the odbc_fetch_object function when
- * not available (odbc_fetch_object requires unixODBC)
+ * Emulates the native odbc_fetch_object() function when
+ * it is not available.
*
- * @access private
+ * @param resource
+ * @param int
* @return object
*/
- function _odbc_fetch_object(& $odbc_result) {
+ function odbc_fetch_object(& $result, $rownumber = 1)
+ {
$rs = array();
- $rs_obj = FALSE;
- if (odbc_fetch_into($odbc_result, $rs)) {
- foreach ($rs as $k=>$v) {
- $field_name= odbc_field_name($odbc_result, $k+1);
- $rs_obj->$field_name = $v;
- }
+ if ( ! odbc_fetch_into($result, $rs, $rownumber))
+ {
+ return FALSE;
}
- return $rs_obj;
- }
-
- /**
- * Result - array
- *
- * subsititutes the odbc_fetch_array function when
- * not available (odbc_fetch_array requires unixODBC)
- *
- * @access private
- * @return array
- */
- function _odbc_fetch_array(& $odbc_result) {
- $rs = array();
- $rs_assoc = FALSE;
- if (odbc_fetch_into($odbc_result, $rs)) {
- $rs_assoc=array();
- foreach ($rs as $k=>$v) {
- $field_name= odbc_field_name($odbc_result, $k+1);
- $rs_assoc[$field_name] = $v;
- }
+ $rs_object = new stdClass();
+ foreach ($rs as $k => $v)
+ {
+ $field_name = odbc_field_name($result, $k+1);
+ $rs_object->$field_name = $v;
}
- return $rs_assoc;
- }
+ return $rs_object;
+ }
}
-
/* End of file odbc_result.php */
/* Location: ./system/database/drivers/odbc/odbc_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php
index d335bed99..224d48d2b 100644
--- a/system/database/drivers/odbc/odbc_utility.php
+++ b/system/database/drivers/odbc/odbc_utility.php
@@ -1,97 +1,48 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* ODBC Utility Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_odbc_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- // Not sure if ODBC lets you list all databases...
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = FALSE;
/**
* ODBC Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
diff --git a/system/database/drivers/pdo/index.html b/system/database/drivers/pdo/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/pdo/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+ <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html> \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
new file mode 100644
index 000000000..705b16560
--- /dev/null
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -0,0 +1,426 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 2.1.0
+ * @filesource
+ */
+
+/**
+ * PDO Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_driver extends CI_DB {
+
+ public $dbdriver = 'pdo';
+
+ // The character used to escaping
+ protected $_escape_char = '"';
+
+ // clause and character used for LIKE escape sequences
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
+
+ protected $_random_keyword;
+
+ public $trans_enabled = FALSE;
+
+ // need to track the PDO options
+ public $options = array();
+
+ /**
+ * Constructor
+ *
+ * Validates the DSN string and/or detects the subdriver
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (preg_match('/([^;]+):/', $this->dsn, $match) && count($match) === 2)
+ {
+ // If there is a minimum valid dsn string pattern found, we're done
+ // This is for general PDO users, who tend to have a full DSN string.
+ $this->subdriver = $match[1];
+ return;
+ }
+ // Legacy support for DSN specified in the hostname field
+ elseif (preg_match('/([^;]+):/', $this->hostname, $match) && count($match) === 2)
+ {
+ $this->dsn = $this->hostname;
+ $this->hostname = NULL;
+ $this->subdriver = $match[1];
+ return;
+ }
+ elseif (in_array($this->subdriver, array('mssql', 'sybase'), TRUE))
+ {
+ $this->subdriver = 'dblib';
+ }
+ elseif ($this->subdriver === '4D')
+ {
+ $this->subdriver = '4d';
+ }
+ elseif ( ! in_array($this->subdriver, array('4d', 'cubrid', 'dblib', 'firebird', 'ibm', 'informix', 'mysql', 'oci', 'odbc', 'sqlite', 'sqlsrv'), TRUE))
+ {
+ log_message('error', 'PDO: Invalid or non-existent subdriver');
+
+ if ($this->db_debug)
+ {
+ show_error('Invalid or non-existent PDO subdriver');
+ }
+ }
+
+ $this->dsn = NULL;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Non-persistent database connection
+ *
+ * @param bool
+ * @return object
+ */
+ public function db_connect($persistent = FALSE)
+ {
+ $this->options[PDO::ATTR_PERSISTENT] = $persistent;
+
+ // Connecting...
+ try
+ {
+ return @new PDO($this->dsn, $this->username, $this->password, $this->options);
+ }
+ catch (PDOException $e)
+ {
+ if ($this->db_debug && empty($this->failover))
+ {
+ $this->display_error($e->getMessage(), '', TRUE);
+ }
+
+ return FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Persistent database connection
+ *
+ * @return object
+ */
+ public function db_pconnect()
+ {
+ return $this->db_connect(TRUE);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Database version number
+ *
+ * @return string
+ */
+ public function version()
+ {
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
+ // Not all subdrivers support the getAttribute() method
+ try
+ {
+ return $this->data_cache['version'] = $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION);
+ }
+ catch (PDOException $e)
+ {
+ return parent::version();
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Execute the query
+ *
+ * @param string an SQL query
+ * @return mixed
+ */
+ protected function _execute($sql)
+ {
+ return $this->conn_id->query($sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Begin Transaction
+ *
+ * @return bool
+ */
+ public function trans_begin($test_mode = FALSE)
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ // Reset the transaction failure flag.
+ // If the $test_mode flag is set to TRUE transactions will be rolled back
+ // even if the queries produce a successful result.
+ $this->_trans_failure = ($test_mode === TRUE);
+
+ return $this->conn_id->beginTransaction();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Commit Transaction
+ *
+ * @return bool
+ */
+ public function trans_commit()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ return $this->conn_id->commit();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rollback Transaction
+ *
+ * @return bool
+ */
+ public function trans_rollback()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ return $this->conn_id->rollBack();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape String
+ *
+ * @param string
+ * @param bool whether or not the string will be used in a LIKE condition
+ * @return string
+ */
+ public function escape_str($str, $like = FALSE)
+ {
+ if (is_array($str))
+ {
+ foreach ($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val, $like);
+ }
+
+ return $str;
+ }
+
+ // Escape the string
+ $str = $this->conn_id->quote($str);
+
+ // If there are duplicated quotes, trim them away
+ if ($str[0] === "'")
+ {
+ $str = substr($str, 1, -1);
+ }
+
+ // escape LIKE condition wildcards
+ if ($like === TRUE)
+ {
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
+ }
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Affected Rows
+ *
+ * @return int
+ */
+ public function affected_rows()
+ {
+ return is_object($this->result_id) ? $this->result_id->rowCount() : 0;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @param string
+ * @return int
+ */
+ public function insert_id($name = NULL)
+ {
+ return $this->conn_id->lastInsertId($name);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT TOP 1 * FROM '.$this->protect_identifiers($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Error
+ *
+ * Returns an array containing code and message of the last
+ * database error that has occured.
+ *
+ * @return array
+ */
+ public function error()
+ {
+ $error = array('code' => '00000', 'message' => '');
+ $pdo_error = $this->conn_id->errorInfo();
+
+ if (empty($pdo_error[0]))
+ {
+ return $error;
+ }
+
+ $error['code'] = isset($pdo_error[1]) ? $pdo_error[0].'/'.$pdo_error[1] : $pdo_error[0];
+ if (isset($pdo_error[2]))
+ {
+ $error['message'] = $pdo_error[2];
+ }
+
+ return $error;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ protected function _update_batch($table, $values, $index, $where = NULL)
+ {
+ $ids = array();
+ $where = ($where !== '' && count($where) >=1) ? implode(' ', $where).' AND ' : '';
+
+ foreach ($values as $key => $val)
+ {
+ $ids[] = $val[$index];
+
+ foreach (array_keys($val) as $field)
+ {
+ if ($field !== $index)
+ {
+ $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
+
+ $sql = 'UPDATE '.$table.' SET ';
+ $cases = '';
+
+ foreach ($final as $k => $v)
+ {
+ $cases .= $k.' = CASE '."\n";
+
+ foreach ($v as $row)
+ {
+ $cases .= $row."\n";
+ }
+
+ $cases .= 'ELSE '.$k.' END, ';
+ }
+
+ $sql .= substr($cases, 0, -2);
+ $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'TRUNCATE TABLE '.$table;
+ }
+
+}
+
+/* End of file pdo_driver.php */
+/* Location: ./system/database/drivers/pdo/pdo_driver.php */
diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php
new file mode 100644
index 000000000..34a6ee44e
--- /dev/null
+++ b/system/database/drivers/pdo/pdo_forge.php
@@ -0,0 +1,168 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 2.1.0
+ * @filesource
+ */
+
+/**
+ * PDO Forge Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/database/
+ */
+class CI_DB_pdo_forge extends CI_DB_forge {
+
+ protected $_drop_table = 'DROP TABLE %s';
+
+ /**
+ * Create Table
+ *
+ * @param string the table name
+ * @param array the fields
+ * @param mixed primary key(s)
+ * @param mixed key(s)
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return bool
+ */
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ if ($if_not_exists === TRUE)
+ {
+ $sql .= 'IF NOT EXISTS ';
+ }
+
+ $sql .= $this->db->escape_identifiers($table).' (';
+ $current_field_count = 0;
+
+ foreach ($fields as $field => $attributes)
+ {
+ // Numeric field names aren't allowed in databases, so if the key is
+ // numeric, we know it was assigned by PHP and the developer manually
+ // entered the field information, so we'll simply add it to the list
+ if (is_numeric($field))
+ {
+ $sql .= "\n\t".$attributes;
+ }
+ else
+ {
+ $attributes = array_change_key_case($attributes, CASE_UPPER);
+ $numeric = array('SERIAL', 'INTEGER');
+
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
+
+ if ( ! empty($attributes['CONSTRAINT']))
+ {
+ // Exception for Postgre numeric which not too happy with constraint within those type
+ if ( ! ($this->db->subdriver === 'pgsql' && in_array($attributes['TYPE'], $numeric)))
+ {
+ $sql .= '('.$attributes['CONSTRAINT'].')';
+ }
+ }
+
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
+ {
+ $sql .= ' UNSIGNED';
+ }
+
+ if (isset($attributes['DEFAULT']))
+ {
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
+ }
+
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
+
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
+ {
+ $sql .= ' AUTO_INCREMENT';
+ }
+ }
+
+ // don't add a comma on the end of the last field
+ if (++$current_field_count < count($fields))
+ {
+ $sql .= ',';
+ }
+ }
+
+ if (count($primary_keys) > 0)
+ {
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')';
+ }
+
+ if (is_array($keys) && count($keys) > 0)
+ {
+ foreach ($keys as $key)
+ {
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
+
+ $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')';
+ }
+ }
+
+ return $sql."\n)";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Alter table query
+ *
+ * Generates a platform-specific query so that a table can be altered
+ * Called by add_column(), drop_column(), and column_alter(),
+ *
+ * @param string the ALTER type (ADD, DROP, CHANGE)
+ * @param string the column name
+ * @param string the table name
+ * @param string the column definition
+ * @param string the default value
+ * @param bool should 'NOT NULL' be added
+ * @param string the field after which we should add the new field
+ * @return string
+ */
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ {
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name);
+
+ // DROP has everything it needs now.
+ if ($alter_type === 'DROP')
+ {
+ return $sql;
+ }
+
+ return $sql .' '.$column_definition
+ .($default_value !== '' ? " DEFAULT '".$default_value."'" : '')
+ .($null === NULL ? ' NULL' : ' NOT NULL')
+ .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
+ }
+
+}
+
+/* End of file pdo_forge.php */
+/* Location: ./system/database/drivers/pdo/pdo_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php
new file mode 100644
index 000000000..444406986
--- /dev/null
+++ b/system/database/drivers/pdo/pdo_result.php
@@ -0,0 +1,219 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * PDO Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ * @since 2.1
+ */
+class CI_DB_pdo_result extends CI_DB_result {
+
+ /**
+ * Number of rows in the result set
+ *
+ * @return int
+ */
+ public function num_rows()
+ {
+ if (is_int($this->num_rows))
+ {
+ return $this->num_rows;
+ }
+ elseif (count($this->result_array) > 0)
+ {
+ return $this->num_rows = count($this->result_array);
+ }
+ elseif (count($this->result_object) > 0)
+ {
+ return $this->num_rows = count($this->result_object);
+ }
+ elseif (($num_rows = $this->result_id->rowCount()) > 0)
+ {
+ return $this->num_rows = $num_rows;
+ }
+
+ return $this->num_rows = count($this->result_array());
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Number of fields in the result set
+ *
+ * @return int
+ */
+ public function num_fields()
+ {
+ return $this->result_id->columnCount();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Fetch Field Names
+ *
+ * Generates an array of column names
+ *
+ * @return bool
+ */
+ public function list_fields()
+ {
+ $field_names = array();
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
+ {
+ $field_names[$i] = @$this->result_id->getColumnMeta();
+ $field_names[$i] = $field_names[$i]['name'];
+ }
+
+ return $field_names;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data
+ *
+ * Generates an array of objects containing field meta-data
+ *
+ * @return array
+ */
+ public function field_data()
+ {
+ $data = array();
+
+ try
+ {
+ if (strpos($this->result_id->queryString, 'PRAGMA') !== FALSE)
+ {
+ foreach ($this->result_array() as $field)
+ {
+ preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field['type'], $matches);
+
+ $F = new stdClass();
+ $F->name = $field['name'];
+ $F->type = ( ! empty($matches[1])) ? $matches[1] : NULL;
+ $F->default = NULL;
+ $F->max_length = ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
+ $F->primary_key = (int) $field['pk'];
+ $F->pdo_type = NULL;
+
+ $data[] = $F;
+ }
+ }
+ else
+ {
+ for($i = 0, $max = $this->num_fields(); $i < $max; $i++)
+ {
+ $field = $this->result_id->getColumnMeta($i);
+
+ $F = new stdClass();
+ $F->name = $field['name'];
+ $F->type = $field['native_type'];
+ $F->default = NULL;
+ $F->pdo_type = $field['pdo_type'];
+
+ if ($field['precision'] < 0)
+ {
+ $F->max_length = NULL;
+ $F->primary_key = 0;
+ }
+ else
+ {
+ $F->max_length = ($field['len'] > 255) ? 0 : $field['len'];
+ $F->primary_key = (int) ( ! empty($field['flags']) && in_array('primary_key', $field['flags']));
+ }
+
+ $data[] = $F;
+ }
+ }
+
+ return $data;
+ }
+ catch (Exception $e)
+ {
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+
+ return FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Free the result
+ *
+ * @return void
+ */
+ public function free_result()
+ {
+ if (is_object($this->result_id))
+ {
+ $this->result_id = FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - associative array
+ *
+ * Returns the result set as an array
+ *
+ * @return array
+ */
+ protected function _fetch_assoc()
+ {
+ return $this->result_id->fetch(PDO::FETCH_ASSOC);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - object
+ *
+ * Returns the result set as an object
+ *
+ * @param string
+ * @return object
+ */
+ protected function _fetch_object($class_name = 'stdClass')
+ {
+ return $this->result_id->fetchObject($class_name);
+ }
+
+}
+
+/* End of file pdo_result.php */
+/* Location: ./system/database/drivers/pdo/pdo_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_utility.php b/system/database/drivers/pdo/pdo_utility.php
new file mode 100644
index 000000000..930842118
--- /dev/null
+++ b/system/database/drivers/pdo/pdo_utility.php
@@ -0,0 +1,54 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 2.1.0
+ * @filesource
+ */
+
+/**
+ * PDO Utility Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/database/
+ */
+class CI_DB_pdo_utility extends CI_DB_utility {
+
+ protected $_list_databases = FALSE;
+
+ /**
+ * PDO Export
+ *
+ * @param array Preferences
+ * @return mixed
+ */
+ protected function _backup($params = array())
+ {
+ // Currently unsupported
+ return $this->db->display_error('db_unsuported_feature');
+ }
+
+}
+
+/* End of file pdo_utility.php */
+/* Location: ./system/database/drivers/pdo/pdo_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/index.html b/system/database/drivers/pdo/subdrivers/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+ <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html> \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php b/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php
new file mode 100644
index 000000000..e287f5c63
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php
@@ -0,0 +1,223 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO 4D Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_4d_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = '4d';
+
+ // The character used for escaping
+ protected $_escape_char = array('[', ']');
+
+ protected $_random_keyword = ' RAND()';
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = '4D:host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
+
+ empty($this->port) OR $this->dsn .= ';port='.$this->port;
+ empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
+ empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
+ }
+ elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 3) === FALSE)
+ {
+ $this->dsn .= ';charset='.$this->char_set;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT '.$this->escape_identifiers('TABLE_NAME').' FROM '.$this->escape_identifiers('_USER_TABLES');
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ $sql .= ' WHERE '.$this->escape_identifiers('TABLE_NAME')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT '.$this->escape_identifiers('COLUMN_NAME').' FROM '.$this->escape_identifiers('_USER_COLUMNS')
+ .' WHERE '.$this->escape_identifiers('TABLE_NAME').' = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE).' LIMIT 1';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
+
+ return 'DELETE FROM '.$table.$conditions;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ return $sql.' LIMIT '.$limit.($offset ? ' OFFSET '.$offset : '');
+ }
+
+}
+
+/* End of file pdo_4d_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_4d_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php
new file mode 100644
index 000000000..05eeacfe6
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php
@@ -0,0 +1,189 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO CUBRID Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_cubrid_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'cubrid';
+
+ protected $_escape_char = '`';
+
+ // clause and character used for LIKE escape sequences - not used in CUBRID
+ protected $_like_escape_str = '';
+ protected $_like_escape_chr = '\\';
+
+ protected $_random_keyword = ' RAND()';
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'cubrid:host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
+
+ empty($this->port) OR $this->dsn .= ';port='.$this->port;
+ empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
+ empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SHOW TABLES';
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$this->protect_identifiers($table).' LIMIT 1';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ protected function _update_batch($table, $values, $index, $where = NULL)
+ {
+ $ids = array();
+ foreach ($values as $key => $val)
+ {
+ $ids[] = $val[$index];
+
+ foreach (array_keys($val) as $field)
+ {
+ if ($field !== $index)
+ {
+ $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
+
+ $cases = '';
+ foreach ($final as $k => $v)
+ {
+ $cases .= $k." = CASE \n"
+ .implode("\n", $v)."\n"
+ .'ELSE '.$k.' END), ';
+ }
+
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN('.implode(',', $ids).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'TRUNCATE '.$table;
+ }
+
+}
+
+/* End of file pdo_cubrid_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php
new file mode 100644
index 000000000..7060c9eb9
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php
@@ -0,0 +1,265 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO DBLIB Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_dblib_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'dblib';
+
+ protected $_random_keyword = ' NEWID()';
+
+ protected $_quoted_identifier;
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = $params['subdriver'].':host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
+
+ if ( ! empty($this->port))
+ {
+ $this->dsn .= (DIRECTORY_SEPARATOR === '\\' ? ',' : ':').$this->port;
+ }
+
+ empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
+ empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
+ empty($this->appname) OR $this->dsn .= ';appname='.$this->appname;
+ }
+ else
+ {
+ if ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 6) === FALSE)
+ {
+ $this->dsn .= ';charset='.$this->char_set;
+ }
+
+ $this->subdriver = 'dblib';
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Non-persistent database connection
+ *
+ * @param bool
+ * @return object
+ */
+ public function db_connect($persistent = FALSE)
+ {
+ $this->conn_id = parent::db_connect($persistent);
+
+ if ( ! is_object($this->conn_id))
+ {
+ return $this->conn_id;
+ }
+
+ // Determine how identifiers are escaped
+ $query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
+ $query = $query->row_array();
+ $this->_quoted_identifier = empty($query) ? FALSE : (bool) $query['qi'];
+ $this->_escape_char = ($this->_quoted_identifier) ? '"' : array('[', ']');
+
+ return $this->conn_id;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ return 'SELECT '.$this->escape_identifiers('name')
+ .' FROM '.$this->escape_identifiers('sysobjects')
+ .' WHERE '.$this->escape_identifiers('type')." = 'U'";
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ $sql .= ' AND '.$this->escape_identifiers('name')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql.' ORDER BY '.$this->escape_identifiers('name');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT '.$this->escape_identifiers('column_name')
+ .' FROM '.$this->escape_identifiers('information_schema.columns')
+ .' WHERE '.$this->escape_identifiers('table_name').' = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
+
+ return ($limit)
+ ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete'
+ : 'DELETE FROM '.$table.$conditions;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ $limit = $offset + $limit;
+
+ // As of SQL Server 2005 (9.0.*) ROW_NUMBER() is supported,
+ // however an ORDER BY clause is required for it to work
+ if (version_compare($this->version(), '9', '>=') && $offset && ! empty($this->qb_orderby))
+ {
+ $orderby = 'ORDER BY '.implode(', ', $this->qb_orderby);
+
+ // We have to strip the ORDER BY clause
+ $sql = trim(substr($sql, 0, strrpos($sql, 'ORDER BY '.$orderby)));
+
+ return 'SELECT '.(count($this->qb_select) === 0 ? '*' : implode(', ', $this->qb_select))." FROM (\n"
+ .preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.$orderby.') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
+ ."\n) ".$this->escape_identifiers('CI_subquery')
+ ."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.((int) $offset + 1).' AND '.$limit;
+ }
+
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
+ }
+
+}
+
+/* End of file pdo_dblib_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php */
diff --git a/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php
new file mode 100644
index 000000000..c074a9a78
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php
@@ -0,0 +1,262 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO Firebird Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_firebird_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'firebird';
+
+ /**
+ * The syntax to count rows is slightly different across different
+ * database engines, so this string appears in each driver and is
+ * used for the count_all() and count_all_results() functions.
+ */
+ protected $_random_keyword = ' RANDOM()'; // Currently not supported
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'firebird:';
+
+ if ( ! empty($this->database))
+ {
+ $this->dsn .= 'dbname='.$this->database;
+ }
+ elseif ( ! empty($this->hostname))
+ {
+ $this->dsn .= 'dbname='.$this->hostname;
+ }
+
+ empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
+ empty($this->role) OR $this->dsn .= ';role='.$this->role;
+ }
+ elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 9) === FALSE)
+ {
+ $this->dsn .= ';charset='.$this->char_set;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS" WHERE "RDB$RELATION_NAME" NOT LIKE \'RDB$%\' AND "RDB$RELATION_NAME" NOT LIKE \'MON$%\'';
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ return $sql.' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT "RDB$FIELD_NAME" FROM "RDB$RELATION_FIELDS" WHERE "RDB$RELATION_NAME" = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT FIRST 1 * FROM '.$this->protect_identifiers($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr)
+ .$where
+ .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'DELETE FROM '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ // Limit clause depends on if Interbase or Firebird
+ if (stripos($this->version(), 'firebird') !== FALSE)
+ {
+ $select = 'FIRST '. (int) $limit
+ .($offset > 0 ? ' SKIP '. (int) $offset : '');
+ }
+ else
+ {
+ $select = 'ROWS '
+ .($offset > 0 ? (int) $offset.' TO '.($limit + $offset) : (int) $limit);
+ }
+
+ return preg_replace('`SELECT`i', 'SELECT '.$select, $sql);
+ }
+
+}
+
+/* End of file pdo_firebird_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php
new file mode 100644
index 000000000..832c03c96
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php
@@ -0,0 +1,262 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO IBM DB2 Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_ibm_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'ibm';
+
+ protected $_random_keyword = ' RAND()';
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'ibm:';
+
+ // Pre-defined DSN
+ if (empty($this->hostname) && empty($this->HOSTNAME) && empty($this->port) && empty($this->PORT))
+ {
+ if (isset($this->DSN))
+ {
+ $this->dsn .= 'DSN='.$this->DSN;
+ }
+ elseif ( ! empty($this->database))
+ {
+ $this->dsn .= 'DSN='.$this->database;
+ }
+
+ return;
+ }
+
+ $this->dsn .= 'DRIVER='.(isset($this->DRIVER) ? '{'.$this->DRIVER.'}' : '{IBM DB2 ODBC DRIVER}').';';
+
+ if (isset($this->DATABASE))
+ {
+ $this->dsn .= 'DATABASE='.$this->DATABASE.';';
+ }
+ elseif ( ! empty($this->database))
+ {
+ $this->dsn .= 'DATABASE='.$this->database.';';
+ }
+
+ if (isset($this->HOSTNAME))
+ {
+ $this->dsn .= 'HOSTNAME='.$this->HOSTNAME.';';
+ }
+ else
+ {
+ $this->dsn .= 'HOSTNAME='.(empty($this->hostname) ? '127.0.0.1;' : $this->hostname.';');
+ }
+
+ if (isset($this->PORT))
+ {
+ $this->dsn .= 'PORT='.$this->port.';';
+ }
+ elseif ( ! empty($this->port))
+ {
+ $this->dsn .= ';PORT='.$this->port.';';
+ }
+
+ $this->dsn .= 'PROTOCOL='.(isset($this->PROTOCOL) ? $this->PROTOCOL.';' : 'TCPIP;');
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT "tabname" FROM "syscat"."tables" WHERE "type" = \'T\'';
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ $sql .= ' AND "tabname" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT "colname" FROM "syscat"."tables"
+ WHERE "syscat"."tabtype" = \'T\' AND "syscat"."tabname" = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE).' FETCH FIRST 1 ROWS ONLY';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
+
+ return 'DELETE FROM '.$table.$conditions;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ $sql .= ' FETCH FIRST '.($limit + $offset).' ROWS ONLY';
+
+ return ($offset)
+ ? 'SELECT * FROM ('.$sql.') WHERE rownum > '.$offset
+ : $sql;
+ }
+
+}
+
+/* End of file pdo_ibm_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php
new file mode 100644
index 000000000..a3efc63dc
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php
@@ -0,0 +1,271 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO Informix Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_informix_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'informix';
+
+ protected $_random_keyword = ' RAND()';
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'informix:';
+
+ // Pre-defined DSN
+ if (empty($this->hostname) && empty($this->host) && empty($this->port) && empty($this->service))
+ {
+ if (isset($this->DSN))
+ {
+ $this->dsn .= 'DSN='.$this->DSN;
+ }
+ elseif ( ! empty($this->database))
+ {
+ $this->dsn .= 'DSN='.$this->database;
+ }
+
+ return;
+ }
+
+ if (isset($this->host))
+ {
+ $this->dsn .= 'host='.$this->host;
+ }
+ else
+ {
+ $this->dsn .= 'host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
+ }
+
+ if (isset($this->service))
+ {
+ $this->dsn .= '; service='.$this->service;
+ }
+ elseif ( ! empty($this->port))
+ {
+ $this->dsn .= '; service='.$this->port;
+ }
+
+ empty($this->database) OR $this->dsn .= '; database='.$this->database;
+ empty($this->server) OR $this->dsn .= '; server='.$this->server;
+
+ $this->dsn .= '; protocol='.(isset($this->protocol) ? $this->protocol : 'onsoctcp')
+ .'; EnableScrollableCursors=1';
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT "tabname" FROM "systables" WHERE "tabid" > 99 AND "tabtype" = \'T\'';
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ $sql .= ' AND "tabname" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT "colname" FROM "systables", "syscolumns"
+ WHERE "systables"."tabid" = "syscolumns"."tabid" AND "systables"."tabtype" = \'T\' AND "systables"."tabname" = '
+ .$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT FIRST 1 * FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'TRUNCATE TABLE ONLY '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
+
+ return 'DELETE FROM '.$table.$conditions;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ $select = 'SELECT '.($offset ? 'SKIP '.$offset : '').'FIRST '.$limit.' ';
+ return preg_replace('/^(SELECT\s)/i', $select, $sql, 1);
+ }
+
+}
+
+/* End of file pdo_informix_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_informix_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php
new file mode 100644
index 000000000..78afe246c
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php
@@ -0,0 +1,217 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO MySQL Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'mysql';
+
+ protected $_escape_char = '`';
+
+ // clause and character used for LIKE escape sequences - not used in MySQL
+ protected $_like_escape_str = '';
+ protected $_like_escape_chr = '\\';
+
+ protected $_random_keyword = ' RAND()';
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'mysql:host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
+
+ empty($this->port) OR $this->dsn .= ';port='.$this->port;
+ empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
+ empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
+ }
+ elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 6) === FALSE && is_php('5.3.6'))
+ {
+ $this->dsn .= ';charset='.$this->char_set;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Non-persistent database connection
+ *
+ * @param bool
+ * @return object
+ */
+ public function db_connect($persistent = FALSE)
+ {
+ /* Prior to PHP 5.3.6, even if the charset was supplied in the DSN
+ * on connect - it was ignored. This is a work-around for the issue.
+ *
+ * Reference: http://www.php.net/manual/en/ref.pdo-mysql.connection.php
+ */
+ if ( ! is_php('5.3.6') && ! empty($this->char_set))
+ {
+ $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET NAMES '.$this->char_set
+ .(empty($this->dbcollat) ? '' : ' COLLATE '.$this->dbcollat);
+ }
+
+ return parent::db_connect($persistent);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SHOW TABLES';
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$this->protect_identifiers($table).' LIMIT 1';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ protected function _update_batch($table, $values, $index, $where = NULL)
+ {
+ $ids = array();
+ foreach ($values as $key => $val)
+ {
+ $ids[] = $val[$index];
+
+ foreach (array_keys($val) as $field)
+ {
+ if ($field !== $index)
+ {
+ $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
+
+ $cases = '';
+ foreach ($final as $k => $v)
+ {
+ $cases .= $k." = CASE \n"
+ .implode("\n", $v)."\n"
+ .'ELSE '.$k.' END), ';
+ }
+
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN('.implode(',', $ids).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'TRUNCATE '.$table;
+ }
+
+}
+
+/* End of file pdo_mysql_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php
new file mode 100644
index 000000000..56ec1bce1
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php
@@ -0,0 +1,230 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO Oracle Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'oci';
+
+ /**
+ * The syntax to count rows is slightly different across different
+ * database engines, so this string appears in each driver and is
+ * used for the count_all() and count_all_results() functions.
+ */
+ protected $_count_string = 'SELECT COUNT(1) AS ';
+ protected $_random_keyword = ' ASC'; // Currently not supported
+
+ protected $_reserved_identifiers = array('*', 'rownum');
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'oci:dbname=';
+
+ // Oracle has a slightly different PDO DSN format (Easy Connect),
+ // which also supports pre-defined DSNs.
+ if (empty($this->hostname) && empty($this->port))
+ {
+ $this->dsn .= $this->database;
+ }
+ else
+ {
+ $this->dsn .= '//'.(empty($this->hostname) ? '127.0.0.1' : $this->hostname)
+ .(empty($this->port) ? '' : ':'.$this->port).'/';
+
+ empty($this->database) OR $this->dsn .= $this->database;
+ }
+
+ empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
+ }
+ elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 4) === FALSE)
+ {
+ $this->dsn .= ';charset='.$this->char_set;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT "TABLE_NAME" FROM "ALL_TABLES"';
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ return $sql.' WHERE "TABLE_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT "COLUMN_NAME" FROM "all_tab_columns" WHERE "TABLE_NAME" = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$this->protect_identifiers($table).' WHERE rownum = 1';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert_batch statement
+ *
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _insert_batch($table, $keys, $values)
+ {
+ $keys = implode(', ', $keys);
+ $sql = "INSERT ALL\n";
+
+ for ($i = 0, $c = count($values); $i < $c; $i++)
+ {
+ $sql .= ' INTO '.$table.' ('.$keys.') VALUES '.$values[$i]."\n";
+ }
+
+ return $sql.'SELECT * FROM dual';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+ empty($limit) OR $conditions[] = 'rownum <= '.$limit;
+
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ return 'SELECT * FROM (SELECT inner_query.*, rownum rnum FROM ('.$sql.') inner_query WHERE rownum < '.($offset + $limit + 1).')'
+ .($offset ? ' WHERE rnum >= '.($offset + 1): '');
+ }
+
+}
+
+/* End of file pdo_oci_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_oci_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php b/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php
new file mode 100644
index 000000000..392754ff7
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php
@@ -0,0 +1,268 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO ODBC Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_odbc_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'odbc';
+
+ // The character used for escaping - not used in ODBC
+ protected $_escape_char = '';
+
+ // clause and character used for LIKE escape sequences
+ protected $_like_escape_chr = '!';
+ protected $_like_escape_str = " {escape '%s'} ";
+
+ protected $_random_keyword = ' RAND()';
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'odbc:';
+
+ // Pre-defined DSN
+ if (empty($this->hostname) && empty($this->HOSTNAME) && empty($this->port) && empty($this->PORT))
+ {
+ if (isset($this->DSN))
+ {
+ $this->dsn .= 'DSN='.$this->DSN;
+ }
+ elseif ( ! empty($this->database))
+ {
+ $this->dsn .= 'DSN='.$this->database;
+ }
+
+ return;
+ }
+
+ // If the DSN is not pre-configured - try to build an IBM DB2 connection string
+ $this->dsn .= 'DRIVER='.(isset($this->DRIVER) ? '{'.$this->DRIVER.'}' : '{IBM DB2 ODBC DRIVER}').';';
+
+ if (isset($this->DATABASE))
+ {
+ $this->dsn .= 'DATABASE='.$this->DATABASE.';';
+ }
+ elseif ( ! empty($this->database))
+ {
+ $this->dsn .= 'DATABASE='.$this->database.';';
+ }
+
+ if (isset($this->HOSTNAME))
+ {
+ $this->dsn .= 'HOSTNAME='.$this->HOSTNAME.';';
+ }
+ else
+ {
+ $this->dsn .= 'HOSTNAME='.(empty($this->hostname) ? '127.0.0.1;' : $this->hostname.';');
+ }
+
+ if (isset($this->PORT))
+ {
+ $this->dsn .= 'PORT='.$this->port.';';
+ }
+ elseif ( ! empty($this->port))
+ {
+ $this->dsn .= ';PORT='.$this->port.';';
+ }
+
+ $this->dsn .= 'PROTOCOL='.(isset($this->PROTOCOL) ? $this->PROTOCOL.';' : 'TCPIP;');
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
+
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
+ {
+ return $sql." AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT column_name FROM information_schema.columns WHERE table_name = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'DELETE FROM '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
+
+ return 'DELETE FROM '.$table.$conditions;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
+ }
+
+}
+
+/* End of file pdo_odbc_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
new file mode 100644
index 000000000..9a476f143
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
@@ -0,0 +1,341 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO PostgreSQL Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'pgsql';
+
+ protected $_random_keyword = ' RANDOM()';
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'pgsql:host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
+
+ empty($this->port) OR $this->dsn .= ';port='.$this->port;
+ empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @param string
+ * @return int
+ */
+ public function insert_id($name = NULL)
+ {
+ if ($name === NULL && version_compare($this->version(), '8.1', '>='))
+ {
+ $query = $this->query('SELECT LASTVAL() AS ins_id');
+ $query = $query->row();
+ return $query->ins_id;
+ }
+
+ return $this->conn_id->lastInsertId($name);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT "table_name" FROM "information_schema"."tables" WHERE "table_schema" = \'public\'';
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ return $sql.' AND "table_name" LIKE \''
+ .$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT "column_name" FROM "information_schema"."columns" WHERE "table_name" = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$this->protect_identifiers($table).' LIMIT 1';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ protected function _update_batch($table, $values, $index, $where = NULL)
+ {
+ $ids = array();
+ foreach ($values as $key => $val)
+ {
+ $ids[] = $val[$index];
+
+ foreach (array_keys($val) as $field)
+ {
+ if ($field !== $index)
+ {
+ $final[$field][] = 'WHEN '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
+
+ $cases = '';
+ foreach ($final as $k => $v)
+ {
+ $cases .= $k.' = (CASE '.$k."\n"
+ .implode("\n", $v)."\n"
+ .'ELSE '.$k.' END), ';
+ }
+
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN('.implode(',', $ids).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ return $sql.' LIMIT '.$limit.($offset ? ' OFFSET '.$offset : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Where
+ *
+ * Called by where() or or_where()
+ *
+ * @param mixed
+ * @param mixed
+ * @param string
+ * @return object
+ */
+ protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL)
+ {
+ if ( ! is_array($key))
+ {
+ $key = array($key => $value);
+ }
+
+ // If the escape value was not set will will base it on the global setting
+ is_bool($escape) OR $escape = $this->_protect_identifiers;
+
+ foreach ($key as $k => $v)
+ {
+ $prefix = (count($this->qb_where) === 0 && count($this->qb_cache_where) === 0)
+ ? $this->_group_get_type('')
+ : $this->_group_get_type($type);
+
+ $k = (($op = $this->_get_operator($k)) !== FALSE)
+ ? $this->protect_identifiers(substr($k, 0, strpos($k, $op)), FALSE, $escape).strstr($k, $op)
+ : $this->protect_identifiers($k, FALSE, $escape);
+
+ if (is_null($v) && ! $this->_has_operator($k))
+ {
+ // value appears not to have been set, assign the test to IS NULL
+ $k .= ' IS NULL';
+ }
+
+ if ( ! is_null($v))
+ {
+ if ($escape === TRUE)
+ {
+ $v = ' '.$this->escape($v);
+ }
+ elseif (is_bool($v))
+ {
+ $v = ($v ? ' TRUE' : ' FALSE');
+ }
+
+ if ( ! $this->_has_operator($k))
+ {
+ $k .= ' = ';
+ }
+ }
+
+ $this->qb_where[] = $prefix.$k.$v;
+ if ($this->qb_caching === TRUE)
+ {
+ $this->qb_cache_where[] = $prefix.$k.$v;
+ $this->qb_cache_exists[] = 'where';
+ }
+
+ }
+
+ return $this;
+ }
+
+}
+
+/* End of file pdo_pgsql_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php b/system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php
new file mode 100644
index 000000000..bf0363f63
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php
@@ -0,0 +1,167 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO SQLite Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_sqlite_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'sqlite';
+
+ /**
+ * The syntax to count rows is slightly different across different
+ * database engines, so this string appears in each driver and is
+ * used for the count_all() and count_all_results() functions.
+ */
+ protected $_random_keyword = ' RANDOM()'; // Currently not supported
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'sqlite:';
+
+ if (empty($this->database) && empty($this->hostname))
+ {
+ $this->database = ':memory:';
+ }
+
+ $this->database = empty($this->database) ? $this->hostname : $this->database;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT "NAME" FROM "SQLITE_MASTER" WHERE "TYPE" = \'table\'';
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ return $sql.' AND "NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ // Not supported
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$this->protect_identifiers($table).' LIMIT 0,1';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Replace statement
+ *
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _replace($table, $keys, $values)
+ {
+ return 'INSERT OR '.parent::_replace($table, $keys, $values);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'DELETE FROM '.$table;
+ }
+
+}
+
+/* End of file pdo_sqlite_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_sqlite_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php b/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php
new file mode 100644
index 000000000..f125b8f50
--- /dev/null
+++ b/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php
@@ -0,0 +1,299 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * PDO SQLSRV Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_sqlsrv_driver extends CI_DB_pdo_driver {
+
+ public $subdriver = 'sqlsrv';
+
+ protected $_random_keyword = ' NEWID()';
+
+ protected $_quoted_identifier;
+
+ /**
+ * Constructor
+ *
+ * Builds the DSN if not already set.
+ *
+ * @param array
+ * @return void
+ */
+ public function __construct($params)
+ {
+ parent::__construct($params);
+
+ if (empty($this->dsn))
+ {
+ $this->dsn = 'sqlsrv:Server='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
+
+ empty($this->port) OR $this->dsn .= ','.$this->port;
+ empty($this->database) OR $this->dsn .= ';Database='.$this->database;
+
+ // Some custom options
+
+ if (isset($this->QuotedId))
+ {
+ $this->dsn .= ';QuotedId='.$this->QuotedId;
+ $this->_quoted_identifier = (bool) $this->QuotedId;
+ }
+
+ if (isset($this->ConnectionPooling))
+ {
+ $this->dsn .= ';ConnectionPooling='.$this->ConnectionPooling;
+ }
+
+ if (isset($this->Encrypt))
+ {
+ $this->dsn .= ';Encrypt='.$this->Encrypt;
+ }
+
+ if (isset($this->TraceOn))
+ {
+ $this->dsn .= ';TraceOn='.$this->TraceOn;
+ }
+
+ if (isset($this->TrustServerCertificate))
+ {
+ $this->dsn .= ';TrustServerCertificate='.$this->TrustServerCertificate;
+ }
+
+ empty($this->APP) OR $this->dsn .= ';APP='.$this->APP;
+ empty($this->Failover_Partner) OR $this->dsn .= ';Failover_Partner='.$this->Failover_Partner;
+ empty($this->LoginTimeout) OR $this->dsn .= ';LoginTimeout='.$this->LoginTimeout;
+ empty($this->MultipleActiveResultSets) OR $this->dsn .= ';MultipleActiveResultSets='.$this->MultipleActiveResultSets;
+ empty($this->TraceFile) OR $this->dsn .= ';TraceFile='.$this->TraceFile;
+ empty($this->WSID) OR $this->dsn .= ';WSID='.$this->WSID;
+ }
+ elseif (preg_match('/QuotedId=(0|1)/', $this->dsn, $match))
+ {
+ $this->_quoted_identifier = (bool) $match[1];
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Non-persistent database connection
+ *
+ * @param bool
+ * @return object
+ */
+ public function db_connect($persistent = FALSE)
+ {
+ if ( ! empty($this->char_set) && preg_match('/utf[^8]*8/i', $this->char_set))
+ {
+ $this->options[PDO::SQLSRV_ENCODING_UTF8] = 1;
+ }
+
+ $this->conn_id = parent::db_connect($persistent);
+
+ if ( ! is_object($this->conn_id) OR is_bool($this->_quoted_identifier))
+ {
+ return $this->conn_id;
+ }
+
+ // Determine how identifiers are escaped
+ $query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
+ $query = $query->row_array();
+ $this->_quoted_identifier = empty($query) ? FALSE : (bool) $query['qi'];
+ $this->_escape_char = ($this->_quoted_identifier) ? '"' : array('[', ']');
+
+ return $this->conn_id;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ return 'SELECT '.$this->escape_identifiers('name')
+ .' FROM '.$this->escape_identifiers('sysobjects')
+ .' WHERE '.$this->escape_identifiers('type')." = 'U'";
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ $sql .= ' AND '.$this->escape_identifiers('name')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql.' ORDER BY '.$this->escape_identifiers('name');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT '.$this->escape_identifiers('column_name')
+ .' FROM '.$this->escape_identifiers('information_schema.columns')
+ .' WHERE '.$this->escape_identifiers('table_name').' = '.$this->escape($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
+
+ return ($limit)
+ ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete'
+ : 'DELETE FROM '.$table.$conditions;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ // As of SQL Server 2012 (11.0.*) OFFSET is supported
+ if (version_compare($this->version(), '11', '>='))
+ {
+ return $sql.' OFFSET '.(int) $offset.' ROWS FETCH NEXT '.(int) $limit.' ROWS ONLY';
+ }
+
+ $limit = $offset + $limit;
+
+ // An ORDER BY clause is required for ROW_NUMBER() to work
+ if ($offset && ! empty($this->qb_orderby))
+ {
+ $orderby = 'ORDER BY '.implode(', ', $this->qb_orderby);
+
+ // We have to strip the ORDER BY clause
+ $sql = trim(substr($sql, 0, strrpos($sql, 'ORDER BY '.$orderby)));
+
+ return 'SELECT '.(count($this->qb_select) === 0 ? '*' : implode(', ', $this->qb_select))." FROM (\n"
+ .preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.$orderby.') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
+ ."\n) ".$this->escape_identifiers('CI_subquery')
+ ."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.((int) $offset + 1).' AND '.$limit;
+ }
+
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
+ }
+
+}
+
+/* End of file pdo_sqlsrv_driver.php */
+/* Location: ./system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php */
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 5367f9759..031740851 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -1,76 +1,114 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgre Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_driver extends CI_DB {
- var $dbdriver = 'postgre';
+ public $dbdriver = 'postgre';
- var $_escape_char = '"';
+ protected $_escape_char = '"';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
- /**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
- */
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' RANDOM()'; // database specific random keyword
+ protected $_random_keyword = ' RANDOM()'; // database specific random keyword
/**
- * Connection String
+ * Constructor
*
- * @access private
- * @return string
+ * Creates a DSN string to be used for db_connect() and db_pconnect()
+ *
+ * @return void
*/
- function _connect_string()
+ public function __construct($params)
{
- $components = array(
- 'hostname' => 'host',
- 'port' => 'port',
- 'database' => 'dbname',
- 'username' => 'user',
- 'password' => 'password'
- );
-
- $connect_string = "";
- foreach ($components as $key => $val)
+ parent::__construct($params);
+
+ if ( ! empty($this->dsn))
+ {
+ return;
+ }
+
+ $this->dsn === '' OR $this->dsn = '';
+
+ if (strpos($this->hostname, '/') !== FALSE)
{
- if (isset($this->$key) && $this->$key != '')
+ // If UNIX sockets are used, we shouldn't set a port
+ $this->port = '';
+ }
+
+ $this->hostname === '' OR $this->dsn = 'host='.$this->hostname.' ';
+
+ if ( ! empty($this->port) && ctype_digit($this->port))
+ {
+ $this->dsn .= 'port='.$this->port.' ';
+ }
+
+ if ($this->username !== '')
+ {
+ $this->dsn .= 'user='.$this->username.' ';
+
+ /* An empty password is valid!
+ *
+ * $db['password'] = NULL must be done in order to ignore it.
+ */
+ $this->password === NULL OR $this->dsn .= "password='".$this->password."' ";
+ }
+
+ $this->database === '' OR $this->dsn .= 'dbname='.$this->database.' ';
+
+ /* We don't have these options as elements in our standard configuration
+ * array, but they might be set by parse_url() if the configuration was
+ * provided via string. Example:
+ *
+ * postgre://username:password@localhost:5432/database?connect_timeout=5&sslmode=1
+ */
+ foreach (array('connect_timeout', 'options', 'sslmode', 'service') as $key)
+ {
+ if (isset($this->$key) && is_string($this->key) && $this->key !== '')
{
- $connect_string .= " $val=".$this->$key;
+ $this->dsn .= $key."='".$this->key."' ";
}
}
- return trim($connect_string);
+
+ $this->dsn = rtrim($this->dsn);
}
// --------------------------------------------------------------------
@@ -78,12 +116,11 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
- return @pg_connect($this->_connect_string());
+ return @pg_connect($this->dsn);
}
// --------------------------------------------------------------------
@@ -91,12 +128,11 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
- return @pg_pconnect($this->_connect_string());
+ return @pg_pconnect($this->dsn);
}
// --------------------------------------------------------------------
@@ -107,10 +143,9 @@ class CI_DB_postgre_driver extends CI_DB {
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
- * @access public
* @return void
*/
- function reconnect()
+ public function reconnect()
{
if (pg_ping($this->conn_id) === FALSE)
{
@@ -121,44 +156,43 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Select the database
- *
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- // Not needed for Postgre so we'll return TRUE
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Set client character set
*
- * @access public
- * @param string
* @param string
- * @return resource
+ * @return bool
*/
- function db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset)
{
- // @todo - add support if needed
- return TRUE;
+ return (pg_set_client_encoding($this->conn_id, $charset) === 0);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- return "SELECT version() AS ver";
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
+ if (($pg_version = pg_version($this->conn_id)) === FALSE)
+ {
+ return FALSE;
+ }
+
+ /* If PHP was compiled with PostgreSQL lib versions earlier
+ * than 7.4, pg_version() won't return the server version
+ * and so we'll have to fall back to running a query in
+ * order to get it.
+ */
+ return isset($pg_version['server'])
+ ? $this->data_cache['version'] = $pg_version['server']
+ : parent::version();
}
// --------------------------------------------------------------------
@@ -166,49 +200,26 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @pg_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
+ * @param bool
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -216,9 +227,9 @@ class CI_DB_postgre_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
- return @pg_exec($this->conn_id, "begin");
+ return (bool) @pg_query($this->conn_id, 'BEGIN');
}
// --------------------------------------------------------------------
@@ -226,23 +237,17 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- return @pg_exec($this->conn_id, "commit");
+ return (bool) @pg_query($this->conn_id, 'COMMIT');
}
// --------------------------------------------------------------------
@@ -250,23 +255,17 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- return @pg_exec($this->conn_id, "rollback");
+ return (bool) @pg_query($this->conn_id, 'ROLLBACK');
}
// --------------------------------------------------------------------
@@ -274,12 +273,11 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -296,9 +294,9 @@ class CI_DB_postgre_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -307,86 +305,80 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Affected Rows
+ * "Smart" Escape String
+ *
+ * Escapes data based on type
+ * Sets boolean and null types
*
- * @access public
- * @return integer
+ * @param string
+ * @return mixed
*/
- function affected_rows()
+ public function escape($str)
{
- return @pg_affected_rows($this->result_id);
+ if (is_bool($str))
+ {
+ return ($str) ? 'TRUE' : 'FALSE';
+ }
+
+ return parent::escape($str);
}
// --------------------------------------------------------------------
/**
- * Insert ID
+ * Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function affected_rows()
{
- $v = $this->_version();
- $v = $v['server'];
-
- $table = func_num_args() > 0 ? func_get_arg(0) : NULL;
- $column = func_num_args() > 1 ? func_get_arg(1) : NULL;
-
- if ($table == NULL && $v >= '8.1')
- {
- $sql='SELECT LASTVAL() as ins_id';
- }
- elseif ($table != NULL && $column != NULL && $v >= '8.0')
- {
- $sql = sprintf("SELECT pg_get_serial_sequence('%s','%s') as seq", $table, $column);
- $query = $this->query($sql);
- $row = $query->row();
- $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $row->seq);
- }
- elseif ($table != NULL)
- {
- // seq_name passed in table parameter
- $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $table);
- }
- else
- {
- return pg_last_oid($this->result_id);
- }
- $query = $this->query($sql);
- $row = $query->row();
- return $row->ins_id;
+ return @pg_affected_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
+ * Insert ID
*
- * @access public
- * @param string
* @return string
*/
- function count_all($table = '')
+ public function insert_id()
{
- if ($table == '')
+ $v = pg_version($this->conn_id);
+ $v = isset($v['server']) ? $v['server'] : 0; // 'server' key is only available since PosgreSQL 7.4
+
+ $table = (func_num_args() > 0) ? func_get_arg(0) : NULL;
+ $column = (func_num_args() > 1) ? func_get_arg(1) : NULL;
+
+ if ($table === NULL && $v >= '8.1')
{
- return 0;
+ $sql = 'SELECT LASTVAL() AS ins_id';
}
+ elseif ($table !== NULL)
+ {
+ if ($column !== NULL && $v >= '8.0')
+ {
+ $sql = 'SELECT pg_get_serial_sequence(\''.$table."', '".$column."') AS seq";
+ $query = $this->query($sql);
+ $query = $query->row();
+ $seq = $query->seq;
+ }
+ else
+ {
+ // seq_name passed in table parameter
+ $seq = $table;
+ }
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
+ $sql = 'SELECT CURRVAL(\''.$seq."') AS ins_id";
+ }
+ else
{
- return 0;
+ return pg_last_oid($this->result_id);
}
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
+ $query = $this->query($sql);
+ $query = $query->row();
+ return (int) $query->ins_id;
}
// --------------------------------------------------------------------
@@ -396,17 +388,18 @@ class CI_DB_postgre_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
+ $sql = 'SELECT "table_name" FROM "information_schema"."tables" WHERE "table_schema" = \'public\'';
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
- $sql .= " AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ return $sql.' AND "table_name" LIKE \''
+ .$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
@@ -419,13 +412,12 @@ class CI_DB_postgre_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$table."'";
+ return 'SELECT "column_name" FROM "information_schema"."columns" WHERE "table_name" = '.$this->escape($table);
}
// --------------------------------------------------------------------
@@ -435,250 +427,227 @@ class CI_DB_postgre_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
+ * @return string
*/
- function _field_data($table)
+ protected function _field_data($table)
{
- return "SELECT * FROM ".$table." LIMIT 1";
+ return 'SELECT * FROM '.$table.' LIMIT 1';
}
// --------------------------------------------------------------------
/**
- * The error message string
+ * Error
*
- * @access private
- * @return string
+ * Returns an array containing code and message of the last
+ * database error that has occured.
+ *
+ * @return array
*/
- function _error_message()
+ public function error()
{
- return pg_last_error($this->conn_id);
+ return array('code' => '', 'message' => pg_last_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
*
- * @access private
- * @return integer
+ * @param array
+ * @return string
*/
- function _error_number()
+ protected function _from_tables($tables)
{
- return '';
+ return is_array($tables) ? implode(', ', $tables) : $tables;
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Update statement
*
- * This function escapes column and table names
+ * Generates a platform-specific update string from the supplied data
*
- * @access private
- * @param string
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
* @return string
*/
- function _escape_identifiers($item)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
+ foreach ($values as $key => $val)
{
- $str = $this->_escape_char.$item.$this->_escape_char;
+ $valstr[] = $key.' = '.$val;
}
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
- // --------------------------------------------------------------------
-
- /**
- * From Tables
- *
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
- *
- * @access public
- * @param type
- * @return type
- */
- function _from_tables($tables)
- {
- if ( ! is_array($tables))
+ if ( ! empty($like))
{
- $tables = array($tables);
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
}
- return implode(', ', $tables);
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
}
// --------------------------------------------------------------------
/**
- * Insert statement
+ * Update_Batch statement
*
- * Generates a platform-specific insert string from the supplied data
+ * Generates a platform-specific batch update string from the supplied data
*
- * @access public
* @param string the table name
- * @param array the insert keys
- * @param array the insert values
+ * @param array the update data
+ * @param array the where clause
* @return string
*/
- function _insert($table, $keys, $values)
+ protected function _update_batch($table, $values, $index, $where = NULL)
{
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
+ $ids = array();
+ foreach ($values as $key => $val)
+ {
+ $ids[] = $val[$index];
- // --------------------------------------------------------------------
+ foreach (array_keys($val) as $field)
+ {
+ if ($field !== $index)
+ {
+ $final[$field][] = 'WHEN '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert_batch($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
+ $cases = '';
+ foreach ($final as $k => $v)
+ {
+ $cases .= $k.' = (CASE '.$index."\n"
+ .implode("\n", $v)."\n"
+ .'ELSE '.$k.' END), ';
+ }
+
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN('.implode(',', $ids).')';
}
// --------------------------------------------------------------------
/**
- * Update statement
+ * Delete statement
*
- * Generates a platform-specific update string from the supplied data
+ * Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
- * @param array the update data
* @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
+ $conditions = array();
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
}
// --------------------------------------------------------------------
/**
- * Truncate statement
+ * Limit string
*
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
+ * Generates a platform-specific LIMIT clause
*
- * @access public
- * @param string the table name
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _truncate($table)
+ protected function _limit($sql, $limit, $offset)
{
- return "TRUNCATE ".$table;
+ return $sql.' LIMIT '.$limit.($offset ? ' OFFSET '.$offset : '');
}
// --------------------------------------------------------------------
/**
- * Delete statement
+ * Where
*
- * Generates a platform-specific delete string from the supplied data
+ * Called by where() or or_where()
*
- * @access public
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
+ * @param mixed
+ * @param mixed
+ * @param string
+ * @param mixed
+ * @return object
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL)
{
- $conditions = '';
+ if ( ! is_array($key))
+ {
+ $key = array($key => $value);
+ }
+
+ // If the escape value was not set will will base it on the global setting
+ is_bool($escape) OR $escape = $this->_protect_identifiers;
- if (count($where) > 0 OR count($like) > 0)
+ foreach ($key as $k => $v)
{
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
+ $prefix = (count($this->qb_where) === 0 && count($this->qb_cache_where) === 0)
+ ? $this->_group_get_type('')
+ : $this->_group_get_type($type);
- if (count($where) > 0 && count($like) > 0)
+ if ($escape === TRUE)
{
- $conditions .= " AND ";
+ $k = (($op = $this->_get_operator($k)) !== FALSE)
+ ? $this->escape_identifiers(trim(substr($k, 0, strpos($k, $op)))).' '.strstr($k, $op)
+ : $this->escape_identifiers(trim($k));
}
- $conditions .= implode("\n", $like);
- }
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+ if (is_null($v) && ! $this->_has_operator($k))
+ {
+ // value appears not to have been set, assign the test to IS NULL
+ $k .= ' IS NULL';
+ }
- return "DELETE FROM ".$table.$conditions.$limit;
- }
+ if ( ! is_null($v))
+ {
+ if ($escape === TRUE)
+ {
+ $v = ' '.$this->escape($v);
+ }
+ elseif (is_bool($v))
+ {
+ $v = ($v ? ' TRUE' : ' FALSE');
+ }
+
+ if ( ! $this->_has_operator($k))
+ {
+ $k .= ' = ';
+ }
+ }
- // --------------------------------------------------------------------
- /**
- * Limit string
- *
- * Generates a platform-specific LIMIT clause
- *
- * @access public
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
- * @return string
- */
- function _limit($sql, $limit, $offset)
- {
- $sql .= "LIMIT ".$limit;
+ $this->qb_where[] = $prefix.$k.$v;
+ if ($this->qb_caching === TRUE)
+ {
+ $this->qb_cache_where[] = $prefix.$k.$v;
+ $this->qb_cache_exists[] = 'where';
+ }
- if ($offset > 0)
- {
- $sql .= " OFFSET ".$offset;
}
- return $sql;
+ return $this;
}
// --------------------------------------------------------------------
@@ -686,18 +655,14 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @pg_close($conn_id);
+ @pg_close($this->conn_id);
}
-
}
-
/* End of file postgre_driver.php */
/* Location: ./system/database/drivers/postgre/postgre_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php
index 91a1c6861..c434e9510 100644
--- a/system/database/drivers/postgre/postgre_forge.php
+++ b/system/database/drivers/postgre/postgre_forge.php
@@ -1,99 +1,67 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgre Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table = 'DROP TABLE IF EXISTS %s CASCADE';
/**
- * Drop database
+ * Process Fields
*
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Create Table
- *
- * @access private
- * @param string the table name
- * @param array the fields
- * @param mixed primary key(s)
- * @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param mixed the fields
+ * @return string
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _process_fields($fields, $primary_keys = array())
{
- $sql = 'CREATE TABLE ';
-
- if ($if_not_exists === TRUE)
- {
- if ($this->db->table_exists($table))
- {
- return "SELECT * FROM $table"; // Needs to return innocous but valid SQL statement
- }
- }
-
- $sql .= $this->db->_escape_identifiers($table)." (";
+ $sql = '';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
- $attributes = array_change_key_case($attributes, CASE_UPPER);
+ $sql .= "\n\t".$this->db->escape_identifiers($field);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
-
- $is_unsigned = (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE);
+ $attributes = array_change_key_case($attributes, CASE_UPPER);
+ $is_unsigned = ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE);
// Convert datatypes to be PostgreSQL-compatible
switch (strtoupper($attributes['TYPE']))
@@ -125,41 +93,30 @@ class CI_DB_postgre_forge extends CI_DB_forge {
case 'BLOB':
$attributes['TYPE'] = 'BYTEA';
break;
+ default:
+ break;
}
// If this is an auto-incrementing primary key, use the serial data type instead
- if (in_array($field, $primary_keys) && array_key_exists('AUTO_INCREMENT', $attributes)
- && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' SERIAL';
- }
- else
- {
- $sql .= ' '.$attributes['TYPE'];
- }
+ $sql .= (in_array($field, $primary_keys) && ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
+ ? ' SERIAL' : ' '.$attributes['TYPE'];
// Modified to prevent constraints with integer data types
- if (array_key_exists('CONSTRAINT', $attributes) && strpos($attributes['TYPE'], 'INT') === false)
+ if ( ! empty($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') === FALSE)
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- // Added new attribute to create unqite fields. Also works with MySQL
- if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
+ // Added new attribute to create unique fields. Also works with MySQL
+ if ( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE)
{
$sql .= ' UNIQUE';
}
@@ -172,15 +129,36 @@ class CI_DB_postgre_forge extends CI_DB_forge {
}
}
- if (count($primary_keys) > 0)
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Create Table
+ *
+ * @param string the table name
+ * @param array the fields
+ * @param mixed primary key(s)
+ * @param mixed key(s)
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return bool
+ */
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ // PostgreSQL doesn't support IF NOT EXISTS syntax so we check if table exists manually
+ if ($if_not_exists === TRUE && $this->db->table_exists($table))
{
- // Something seems to break when passing an array to _protect_identifiers()
- foreach ($primary_keys as $index => $key)
- {
- $primary_keys[$index] = $this->db->_protect_identifiers($key);
- }
+ return TRUE;
+ }
+
+ $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields, $primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ if (count($primary_keys) > 0)
+ {
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
$sql .= "\n);";
@@ -189,18 +167,14 @@ class CI_DB_postgre_forge extends CI_DB_forge {
{
foreach ($keys as $key)
{
- if (is_array($key))
- {
- $key = $this->db->_protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->_protect_identifiers($key));
- }
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
foreach ($key as $field)
{
- $sql .= "CREATE INDEX " . $table . "_" . str_replace(array('"', "'"), '', $field) . "_index ON $table ($field); ";
+ $sql .= "\nCREATE INDEX ".$this->db->escape_identifiers($table.'_'.str_replace(array('"', "'"), '', $field).'_index')
+ .' ON '.$this->db->escape_identifiers($table).' ('.$this->db->escape_identifiers($field).');';
}
}
}
@@ -211,87 +185,33 @@ class CI_DB_postgre_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table)." CASCADE";
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
- */
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
-
- // DROP has everything it needs now.
- if ($alter_type == 'DROP')
- {
- return $sql;
- }
-
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
-
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
* @return string
*/
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
-
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
+ {
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' ';
+
+ // DROP has everything it needs now.
+ if ($alter_type === 'DROP')
+ {
+ return $sql.$this->db->escape_identifiers($fields);
+ }
+
+ return $sql.$this->_process_fields($fields)
+ .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
+ }
}
diff --git a/system/database/drivers/postgre/postgre_result.php b/system/database/drivers/postgre/postgre_result.php
index e9a1d1607..eb9d647e7 100644
--- a/system/database/drivers/postgre/postgre_result.php
+++ b/system/database/drivers/postgre/postgre_result.php
@@ -1,40 +1,52 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgres Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.3
*/
class CI_DB_postgre_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @pg_num_rows($this->result_id);
+ return is_int($this->num_rows)
+ ? $this->num_rows
+ : $this->num_rows = @pg_num_rows($this->result_id);
}
// --------------------------------------------------------------------
@@ -42,10 +54,9 @@ class CI_DB_postgre_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @pg_num_fields($this->result_id);
}
@@ -57,13 +68,12 @@ class CI_DB_postgre_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$field_names[] = pg_field_name($this->result_id, $i);
}
@@ -78,22 +88,19 @@ class CI_DB_postgre_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- $F = new stdClass();
- $F->name = pg_field_name($this->result_id, $i);
- $F->type = pg_field_type($this->result_id, $i);
- $F->max_length = pg_field_size($this->result_id, $i);
- $F->primary_key = 0;
- $F->default = '';
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = pg_field_name($this->result_id, $i);
+ $retval[$i]->type = pg_field_type($this->result_id, $i);
+ $retval[$i]->max_length = pg_field_size($this->result_id, $i);
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
}
return $retval;
@@ -104,9 +111,9 @@ class CI_DB_postgre_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -120,14 +127,13 @@ class CI_DB_postgre_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return pg_result_seek($this->result_id, $n);
}
@@ -139,10 +145,9 @@ class CI_DB_postgre_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return pg_fetch_assoc($this->result_id);
}
@@ -154,16 +159,15 @@ class CI_DB_postgre_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @param string
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- return pg_fetch_object($this->result_id);
+ return pg_fetch_object($this->result_id, NULL, $class_name);
}
}
-
/* End of file postgre_result.php */
/* Location: ./system/database/drivers/postgre/postgre_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php
index 741c52ea8..c95e6df0c 100644
--- a/system/database/drivers/postgre/postgre_utility.php
+++ b/system/database/drivers/postgre/postgre_utility.php
@@ -1,88 +1,54 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgre Utility Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return "SELECT datname FROM pg_database";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Is table optimization supported in Postgre?
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Are table repairs supported in Postgre?
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SELECT datname FROM pg_database';
+ protected $_optimize_table = 'REINDEX TABLE %s';
/**
* Postgre Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
-
/* End of file postgre_utility.php */
/* Location: ./system/database/drivers/postgre/postgre_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index 0cc898b38..19824dbbf 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -1,61 +1,62 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
-
-
/**
* SQLite Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_driver extends CI_DB {
- var $dbdriver = 'sqlite';
+ public $dbdriver = 'sqlite';
// The character used to escape with - not needed for SQLite
- var $_escape_char = '';
+ protected $_escape_char = '"';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
- /**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
- */
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' Random()'; // database specific random keyword
+ protected $_random_keyword = ' Random()'; // database specific random keyword
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
if ( ! $conn_id = @sqlite_open($this->database, FILE_WRITE_MODE, $error))
{
@@ -77,10 +78,9 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
if ( ! $conn_id = @sqlite_popen($this->database, FILE_WRITE_MODE, $error))
{
@@ -100,59 +100,15 @@ class CI_DB_sqlite_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- function reconnect()
- {
- // not implemented in SQLite
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Select the database
+ * Database version number
*
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- return sqlite_libversion();
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = sqlite_libversion();
}
// --------------------------------------------------------------------
@@ -160,30 +116,14 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
- return @sqlite_query($this->conn_id, $sql);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
+ return $this->is_write_type($sql)
+ ? @sqlite_exec($this->conn_id, $sql)
+ : @sqlite_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
@@ -191,18 +131,12 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -210,7 +144,7 @@ class CI_DB_sqlite_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
$this->simple_query('BEGIN TRANSACTION');
return TRUE;
@@ -221,18 +155,12 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -246,18 +174,12 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -271,12 +193,11 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -293,9 +214,9 @@ class CI_DB_sqlite_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -306,10 +227,9 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return sqlite_changes($this->conn_id);
}
@@ -319,10 +239,9 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function insert_id()
{
return @sqlite_last_insert_rowid($this->conn_id);
}
@@ -330,53 +249,22 @@ class CI_DB_sqlite_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @access public
- * @param string
- * @return string
- */
- function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
- }
-
- // --------------------------------------------------------------------
-
- /**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SELECT name from sqlite_master WHERE type='table'";
+ $sql = "SELECT name FROM sqlite_master WHERE type='table'";
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix != '')
{
- $sql .= " AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ return $sql." AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
+
return $sql;
}
@@ -387,11 +275,10 @@ class CI_DB_sqlite_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
- * @return string
+ * @return bool
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
// Not supported
return FALSE;
@@ -404,236 +291,64 @@ class CI_DB_sqlite_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT * FROM ".$table." LIMIT 1";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- return sqlite_error_string(sqlite_last_error($this->conn_id));
+ return 'SELECT * FROM '.$this->escape_identifiers($table).' LIMIT 1';
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Error
*
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return sqlite_last_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @access private
- * @param string
- * @return string
- */
- function _escape_identifiers($item)
- {
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * From Tables
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
- *
- * @access public
- * @param type
- * @return type
+ * @return array
*/
- function _from_tables($tables)
+ public function error()
{
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
+ $error = array('code' => sqlite_last_error($this->conn_id));
+ $error['message'] = sqlite_error_string($error['code']);
+ return $error;
}
// --------------------------------------------------------------------
/**
- * Insert statement
+ * Replace statement
*
- * Generates a platform-specific insert string from the supplied data
+ * Generates a platform-specific replace string from the supplied data
*
- * @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _replace($table, $keys, $values)
{
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
+ return 'INSERT OR '.parent::_replace($table, $keys, $values);
}
-
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return $this->_delete($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
+ * If the database does not support the truncate() command,
+ * then this function maps to 'DELETE FROM table'
*
- * @access public
* @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Limit string
- *
- * Generates a platform-specific LIMIT clause
- *
- * @access public
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _truncate($table)
{
- if ($offset == 0)
- {
- $offset = '';
- }
- else
- {
- $offset .= ", ";
- }
-
- return $sql."LIMIT ".$offset.$limit;
+ return 'DELETE FROM '.$table;
}
// --------------------------------------------------------------------
@@ -641,18 +356,14 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @sqlite_close($conn_id);
+ @sqlite_close($this->conn_id);
}
-
}
-
/* End of file sqlite_driver.php */
/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php
index 56904082e..e02e327f3 100644
--- a/system/database/drivers/sqlite/sqlite_forge.php
+++ b/system/database/drivers/sqlite/sqlite_forge.php
@@ -1,25 +1,35 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLite Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_forge extends CI_DB_forge {
@@ -27,11 +37,10 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
/**
* Create database
*
- * @access public
* @param string the database name
* @return bool
*/
- function _create_database()
+ public function create_database($db_name = '')
{
// In SQLite, a database is created when you connect to the database.
// We'll return TRUE so that an error isn't generated
@@ -43,90 +52,84 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
/**
* Drop database
*
- * @access private
- * @param string the database name
+ * @param string the database name (ignored)
* @return bool
*/
- function _drop_database($name)
+ public function drop_database($db_name = '')
{
if ( ! @file_exists($this->db->database) OR ! @unlink($this->db->database))
{
- if ($this->db->db_debug)
+ return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+ elseif ( ! empty($this->db->data_cache['db_names']))
+ {
+ $key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
+ if ($key !== FALSE)
{
- return $this->db->display_error('db_unable_to_drop');
+ unset($this->db->data_cache['db_names'][$key]);
}
- return FALSE;
}
+
return TRUE;
}
+
// --------------------------------------------------------------------
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
// IF NOT EXISTS added to SQLite in 3.3.0
- if ($if_not_exists === TRUE && version_compare($this->db->_version(), '3.3.0', '>=') === TRUE)
+ if ($if_not_exists === TRUE && version_compare($this->db->version(), '3.3.0', '>=') === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)."(";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
- $sql .= ' '.$attributes['TYPE'];
+ empty($attributes['CONSTRAINT']) OR $sql .= '('.$attributes['CONSTRAINT'].')';
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
+
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
@@ -141,49 +144,22 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
- if (is_array($key))
- {
- $key = $this->db->_protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->_protect_identifiers($key));
- }
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
- $sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tUNIQUE (".implode(', ', $key).')';
}
}
- $sql .= "\n)";
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * Unsupported feature in SQLite
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return array();
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -194,71 +170,34 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
-
- // DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ /* SQLite only supports adding new columns and it does
+ * NOT support the AFTER statement. Each new column will
+ * be added as the last one in the table.
+ */
+ if ($alter_type !== 'ADD COLUMN')
{
- // SQLite does not support dropping columns
- // http://www.sqlite.org/omitted.html
- // http://www.sqlite.org/faq.html#q11
+ // Not supported
return FALSE;
}
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
-
+ return 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name)
+ .' '.$column_definition
+ .($default_value != '' ? " DEFAULT '".$default_value."'" : '')
+ // If NOT NULL is specified, the field must have a DEFAULT value other than NULL
+ .(($null !== NULL && $default_value !== 'NULL') ? ' NOT NULL' : ' NULL');
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
}
/* End of file sqlite_forge.php */
diff --git a/system/database/drivers/sqlite/sqlite_result.php b/system/database/drivers/sqlite/sqlite_result.php
index 7bd30db7c..eef9787a1 100644
--- a/system/database/drivers/sqlite/sqlite_result.php
+++ b/system/database/drivers/sqlite/sqlite_result.php
@@ -1,40 +1,52 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLite Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.3
*/
class CI_DB_sqlite_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @sqlite_num_rows($this->result_id);
+ return is_int($this->num_rows)
+ ? $this->num_rows
+ : $this->num_rows = @sqlite_num_rows($this->result_id);
}
// --------------------------------------------------------------------
@@ -42,10 +54,9 @@ class CI_DB_sqlite_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @sqlite_num_fields($this->result_id);
}
@@ -57,15 +68,14 @@ class CI_DB_sqlite_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- $field_names[] = sqlite_field_name($this->result_id, $i);
+ $field_names[$i] = sqlite_field_name($this->result_id, $i);
}
return $field_names;
@@ -78,22 +88,19 @@ class CI_DB_sqlite_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- $F = new stdClass();
- $F->name = sqlite_field_name($this->result_id, $i);
- $F->type = 'varchar';
- $F->max_length = 0;
- $F->primary_key = 0;
- $F->default = '';
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = sqlite_field_name($this->result_id, $i);
+ $retval[$i]->type = 'varchar';
+ $retval[$i]->max_length = 0;
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
}
return $retval;
@@ -102,28 +109,15 @@ class CI_DB_sqlite_result extends CI_DB_result {
// --------------------------------------------------------------------
/**
- * Free the result
- *
- * @return null
- */
- function free_result()
- {
- // Not implemented in SQLite
- }
-
- // --------------------------------------------------------------------
-
- /**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return sqlite_seek($this->result_id, $n);
}
@@ -135,10 +129,9 @@ class CI_DB_sqlite_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return sqlite_fetch_array($this->result_id);
}
@@ -150,30 +143,15 @@ class CI_DB_sqlite_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @param string
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- if (function_exists('sqlite_fetch_object'))
- {
- return sqlite_fetch_object($this->result_id);
- }
- else
- {
- $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC);
- if (is_array($arr))
- {
- $obj = (object) $arr;
- return $obj;
- } else {
- return NULL;
- }
- }
+ return sqlite_fetch_object($this->result_id, $class_name);
}
}
-
/* End of file sqlite_result.php */
/* Location: ./system/database/drivers/sqlite/sqlite_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php
index 508023e2f..1bcb42d9f 100644
--- a/system/database/drivers/sqlite/sqlite_utility.php
+++ b/system/database/drivers/sqlite/sqlite_utility.php
@@ -1,95 +1,53 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLite Utility Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * I don't believe you can do a database listing with SQLite
- * since each database is its own file. I suppose we could
- * try reading a directory looking for SQLite files, but
- * that doesn't seem like a terribly good idea
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- if ($this->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return array();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Is optimization even supported in SQLite?
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Are table repairs even supported in SQLite?
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = FALSE;
/**
* SQLite Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
+
}
/* End of file sqlite_utility.php */
diff --git a/system/database/drivers/sqlite3/index.html b/system/database/drivers/sqlite3/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/sqlite3/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+ <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html> \ No newline at end of file
diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php
new file mode 100644
index 000000000..cc35d319f
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_driver.php
@@ -0,0 +1,362 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * SQLite3 Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the query builder
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author Andrey Andreev
+ * @link http://codeigniter.com/user_guide/database/
+ * @since Version 3.0
+ */
+class CI_DB_sqlite3_driver extends CI_DB {
+
+ public $dbdriver = 'sqlite3';
+
+ // The character used for escaping
+ protected $_escape_char = '"';
+
+ // clause and character used for LIKE escape sequences
+ protected $_like_escape_str = ' ESCAPE \'%s\' ';
+ protected $_like_escape_chr = '!';
+
+ protected $_random_keyword = ' RANDOM()';
+
+ /**
+ * Non-persistent database connection
+ *
+ * @return object type SQLite3
+ */
+ public function db_connect()
+ {
+ try
+ {
+ return ( ! $this->password)
+ ? new SQLite3($this->database)
+ : new SQLite3($this->database, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE, $this->password);
+ }
+ catch (Exception $e)
+ {
+ return FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Persistent database connection
+ *
+ * @return object type SQLite3
+ */
+ public function db_pconnect()
+ {
+ log_message('debug', 'SQLite3 doesn\'t support persistent connections');
+ return $this->db_connect();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Database version number
+ *
+ * @return string
+ */
+ public function version()
+ {
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
+ $version = SQLite3::version();
+ return $this->data_cache['version'] = $version['versionString'];
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Execute the query
+ *
+ * @param string an SQL query
+ * @return mixed SQLite3Result object or bool
+ */
+ protected function _execute($sql)
+ {
+ // TODO: Implement use of SQLite3::querySingle(), if needed
+
+ return $this->is_write_type($sql)
+ ? $this->conn_id->exec($sql)
+ : $this->conn_id->query($sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Begin Transaction
+ *
+ * @return bool
+ */
+ public function trans_begin($test_mode = FALSE)
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ // Reset the transaction failure flag.
+ // If the $test_mode flag is set to TRUE transactions will be rolled back
+ // even if the queries produce a successful result.
+ $this->_trans_failure = ($test_mode === TRUE);
+
+ return $this->conn_id->exec('BEGIN TRANSACTION');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Commit Transaction
+ *
+ * @return bool
+ */
+ public function trans_commit()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ return $this->conn_id->exec('END TRANSACTION');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rollback Transaction
+ *
+ * @return bool
+ */
+ public function trans_rollback()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ return $this->conn_id->exec('ROLLBACK');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape String
+ *
+ * @param string
+ * @param bool whether or not the string will be used in a LIKE condition
+ * @return string
+ */
+ public function escape_str($str, $like = FALSE)
+ {
+ if (is_array($str))
+ {
+ foreach ($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val, $like);
+ }
+
+ return $str;
+ }
+
+ $str = $this->conn_id->escapeString(remove_invisible_characters($str));
+
+ // escape LIKE condition wildcards
+ if ($like === TRUE)
+ {
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
+ }
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Affected Rows
+ *
+ * @return int
+ */
+ public function affected_rows()
+ {
+ return $this->conn_id->changes();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @return int
+ */
+ public function insert_id()
+ {
+ return $this->conn_id->lastInsertRowID();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ return 'SELECT "NAME" FROM "SQLITE_MASTER" WHERE "TYPE" = \'table\''
+ .(($prefix_limit !== FALSE && $this->dbprefix != '')
+ ? ' AND "NAME" LIKE \''.$this->escape_like_str($this->dbprefix).'%\' '.sprintf($this->_like_escape_str, $this->_like_escape_chr)
+ : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ // Not supported
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$table.' LIMIT 0,1';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * The error message string
+ *
+ * @return string
+ */
+ protected function _error_message()
+ {
+ return $this->conn_id->lastErrorMsg();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * The error message number
+ *
+ * @return int
+ */
+ protected function _error_number()
+ {
+ return $this->conn_id->lastErrorCode();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Replace statement
+ *
+ * Generates a platform-specific replace string from the supplied data
+ *
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _replace($table, $keys, $values)
+ {
+ return 'INSERT OR '.parent::_replace($table, $keys, $values);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command, then,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'DELETE FROM '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Close DB Connection
+ *
+ * @return void
+ */
+ protected function _close()
+ {
+ $this->conn_id->close();
+ }
+
+}
+
+/* End of file sqlite3_driver.php */
+/* Location: ./system/database/drivers/sqlite3/sqlite3_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite3/sqlite3_forge.php b/system/database/drivers/sqlite3/sqlite3_forge.php
new file mode 100644
index 000000000..f9ae5bcce
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_forge.php
@@ -0,0 +1,211 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * SQLite3 Forge Class
+ *
+ * @category Database
+ * @author Andrey Andreev
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_sqlite3_forge extends CI_DB_forge {
+
+ /**
+ * Create database
+ *
+ * @param string the database name
+ * @return bool
+ */
+ public function create_database($db_name = '')
+ {
+ // In SQLite, a database is created when you connect to the database.
+ // We'll return TRUE so that an error isn't generated
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop database
+ *
+ * @param string the database name (ignored)
+ * @return bool
+ */
+ public function drop_database($db_name = '')
+ {
+ // In SQLite, a database is dropped when we delete a file
+ if (@file_exists($this->db->database))
+ {
+ // We need to close the pseudo-connection first
+ $this->db->close();
+ if ( ! @unlink($this->db->database))
+ {
+ return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+ elseif ( ! empty($this->db->data_cache['db_names']))
+ {
+ $key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
+ if ($key !== FALSE)
+ {
+ unset($this->db->data_cache['db_names'][$key]);
+ }
+ }
+
+ return TRUE;
+ }
+
+ return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Create Table
+ *
+ * @param string the table name
+ * @param array the fields
+ * @param mixed primary key(s)
+ * @param mixed key(s)
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return bool
+ */
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ // IF NOT EXISTS added to SQLite in 3.3.0
+ if ($if_not_exists === TRUE && version_compare($this->db->version(), '3.3.0', '>=') === TRUE)
+ {
+ $sql .= 'IF NOT EXISTS ';
+ }
+
+ $sql .= $this->db->escape_identifiers($table).' (';
+ $current_field_count = 0;
+
+ foreach ($fields as $field => $attributes)
+ {
+ // Numeric field names aren't allowed in databases, so if the key is
+ // numeric, we know it was assigned by PHP and the developer manually
+ // entered the field information, so we'll simply add it to the list
+ if (is_numeric($field))
+ {
+ $sql .= "\n\t".$attributes;
+ }
+ else
+ {
+ $attributes = array_change_key_case($attributes, CASE_UPPER);
+
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
+
+ empty($attributes['CONSTRAINT']) OR $sql .= '('.$attributes['CONSTRAINT'].')';
+
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
+ {
+ $sql .= ' UNSIGNED';
+ }
+
+ if (isset($attributes['DEFAULT']))
+ {
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
+ }
+
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
+
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
+ {
+ $sql .= ' AUTO_INCREMENT';
+ }
+ }
+
+ // don't add a comma on the end of the last field
+ if (++$current_field_count < count($fields))
+ {
+ $sql .= ',';
+ }
+ }
+
+ if (count($primary_keys) > 0)
+ {
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')';
+ }
+
+ if (is_array($keys) && count($keys) > 0)
+ {
+ foreach ($keys as $key)
+ {
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
+
+ $sql .= ",\n\tUNIQUE (".implode(', ', $key).')';
+ }
+ }
+
+ return $sql."\n)";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Alter table query
+ *
+ * Generates a platform-specific query so that a table can be altered
+ * Called by add_column(), drop_column(), and column_alter(),
+ *
+ * @param string the ALTER type (ADD, DROP, CHANGE)
+ * @param string the column name
+ * @param string the table name
+ * @param string the column definition
+ * @param string the default value
+ * @param bool should 'NOT NULL' be added
+ * @param string the field after which we should add the new field
+ * @return string
+ */
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ {
+ /* SQLite only supports adding new columns and it does
+ * NOT support the AFTER statement. Each new column will
+ * be added as the last one in the table.
+ */
+ if ($alter_type !== 'ADD COLUMN')
+ {
+ // Not supported
+ return FALSE;
+ }
+
+ return 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name)
+ .' '.$column_definition
+ .($default_value !== '' ? ' DEFAULT '.$default_value : '')
+ // If NOT NULL is specified, the field must have a DEFAULT value other than NULL
+ .(($null !== NULL && $default_value !== 'NULL') ? ' NOT NULL' : ' NULL');
+ }
+
+}
+
+/* End of file sqlite3_forge.php */
+/* Location: ./system/database/drivers/sqlite3/sqlite3_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite3/sqlite3_result.php b/system/database/drivers/sqlite3/sqlite3_result.php
new file mode 100644
index 000000000..117fb3ce8
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_result.php
@@ -0,0 +1,181 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * SQLite3 Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category Database
+ * @author Andrey Andreev
+ * @link http://codeigniter.com/user_guide/database/
+ * @since 3.0
+ */
+class CI_DB_sqlite3_result extends CI_DB_result {
+
+ // num_fields() might be called multiple times, so we'll use this one to cache it's result
+ protected $_num_fields;
+
+ /**
+ * Number of fields in the result set
+ *
+ * @return int
+ */
+ public function num_fields()
+ {
+ return ( ! is_int($this->_num_fields))
+ ? $this->_num_fields = $this->result_id->numColumns()
+ : $this->_num_fields;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Fetch Field Names
+ *
+ * Generates an array of column names
+ *
+ * @return array
+ */
+ public function list_fields()
+ {
+ $field_names = array();
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
+ {
+ $field_names[] = $this->result_id->columnName($i);
+ }
+
+ return $field_names;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data
+ *
+ * Generates an array of objects containing field meta-data
+ *
+ * @return array
+ */
+ public function field_data()
+ {
+ $retval = array();
+ for ($i = 0, $c = $this->num_fields(); $i < $this->num_fields(); $i++)
+ {
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $this->result_id->columnName($i);
+ $retval[$i]->type = 'varchar';
+ $retval[$i]->max_length = 0;
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
+ }
+
+ return $retval;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Free the result
+ *
+ * @return void
+ */
+ public function free_result()
+ {
+ if (is_object($this->result_id))
+ {
+ $this->result_id->finalize();
+ $this->result_id = NULL;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - associative array
+ *
+ * Returns the result set as an array
+ *
+ * @return array
+ */
+ protected function _fetch_assoc()
+ {
+ return $this->result_id->fetchArray(SQLITE3_ASSOC);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - object
+ *
+ * Returns the result set as an object
+ *
+ * @param string
+ * @return object
+ */
+ protected function _fetch_object($class_name = 'stdClass')
+ {
+ // No native support for fetching rows as objects
+ if (($row = $this->result_id->fetchArray(SQLITE3_ASSOC)) === FALSE)
+ {
+ return FALSE;
+ }
+ elseif ($class_name === 'stdClass')
+ {
+ return (object) $row;
+ }
+
+ $class_name = new $class_name();
+ foreach (array_keys($row) as $key)
+ {
+ $class_name->$key = $row[$key];
+ }
+
+ return $class_name;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Data Seek
+ *
+ * Moves the internal pointer to the desired offset. We call
+ * this internally before fetching results to make sure the
+ * result set starts at zero
+ *
+ * @return array
+ */
+ protected function _data_seek($n = 0)
+ {
+ // Only resetting to the start of the result set is supported
+ return $this->result_id->reset();
+ }
+
+}
+
+/* End of file sqlite3_result.php */
+/* Location: ./system/database/drivers/sqlite3/sqlite3_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite3/sqlite3_utility.php b/system/database/drivers/sqlite3/sqlite3_utility.php
new file mode 100644
index 000000000..f58c3d168
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_utility.php
@@ -0,0 +1,54 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * SQLite3 Utility Class
+ *
+ * @category Database
+ * @author Andrey Andreev
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_sqlite3_utility extends CI_DB_utility {
+
+ protected $_list_databases = FALSE;
+
+ /**
+ * SQLite Export
+ *
+ * @param array Preferences
+ * @return mixed
+ */
+ protected function _backup($params = array())
+ {
+ // Not supported
+ return $this->db->display_error('db_unsuported_feature');
+ }
+
+}
+
+/* End of file sqlite3_utility.php */
+/* Location: ./system/database/drivers/sqlite3/sqlite3_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 400fd31c6..bda450e88 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -1,108 +1,106 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.0.3
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_driver extends CI_DB {
- var $dbdriver = 'sqlsrv';
+ public $dbdriver = 'sqlsrv';
// The character used for escaping
- var $_escape_char = '';
+ protected $_escape_char = '"';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
- /**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
- */
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' ASC'; // not currently supported
+ protected $_random_keyword = ' NEWID()';
+
+ // SQLSRV-specific properties
+ protected $_quoted_identifier = TRUE;
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect($pooling = false)
+ public function db_connect($pooling = FALSE)
{
// Check for a UTF-8 charset being passed as CI's default 'utf8'.
$character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set;
$connection = array(
- 'UID' => empty($this->username) ? '' : $this->username,
- 'PWD' => empty($this->password) ? '' : $this->password,
- 'Database' => $this->database,
- 'ConnectionPooling' => $pooling ? 1 : 0,
+ 'UID' => empty($this->username) ? '' : $this->username,
+ 'PWD' => empty($this->password) ? '' : $this->password,
+ 'Database' => $this->database,
+ 'ConnectionPooling' => $pooling ? 1 : 0,
'CharacterSet' => $character_set,
- 'ReturnDatesAsStrings' => 1
+ 'ReturnDatesAsStrings' => 1
);
-
- // If the username and password are both empty, assume this is a
+
+ // If the username and password are both empty, assume this is a
// 'Windows Authentication Mode' connection.
- if(empty($connection['UID']) && empty($connection['PWD'])) {
+ if (empty($connection['UID']) && empty($connection['PWD']))
+ {
unset($connection['UID'], $connection['PWD']);
}
- return sqlsrv_connect($this->hostname, $connection);
- }
+ $this->conn_id = sqlsrv_connect($this->hostname, $connection);
- // --------------------------------------------------------------------
+ // Determine how identifiers are escaped
+ $query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
+ $query = $query->row_array();
+ $this->_quoted_identifier = empty($query) ? FALSE : (bool) $query['qi'];
+ $this->_escape_char = ($this->_quoted_identifier) ? '"' : array('[', ']');
- /**
- * Persistent database connection
- *
- * @access private called by the base class
- * @return resource
- */
- function db_pconnect()
- {
- $this->db_connect(TRUE);
+ return $this->conn_id;
}
// --------------------------------------------------------------------
/**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
+ * Persistent database connection
*
- * @access public
- * @return void
+ * @return resource
*/
- function reconnect()
+ public function db_pconnect()
{
- // not implemented in MSSQL
+ return $this->db_connect(TRUE);
}
// --------------------------------------------------------------------
@@ -110,28 +108,23 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
- return $this->_execute('USE ' . $this->database);
- }
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
- // --------------------------------------------------------------------
+ if ($this->_execute('USE '.$database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
- /**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -139,33 +132,14 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
- {
- $sql = $this->_prep_query($sql);
- return sqlsrv_query($this->conn_id, $sql, null, array(
- 'Scrollable' => SQLSRV_CURSOR_STATIC,
- 'SendStreamParamsAtExec' => true
- ));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
+ protected function _execute($sql)
{
- return $sql;
+ return ($this->is_write_type($sql) && stripos($sql, 'INSERT') === FALSE)
+ ? sqlsrv_query($this->conn_id, $sql)
+ : sqlsrv_query($this->conn_id, $sql, NULL, array('Scrollable' => SQLSRV_CURSOR_STATIC));
}
// --------------------------------------------------------------------
@@ -173,18 +147,12 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -192,7 +160,7 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
return sqlsrv_begin_transaction($this->conn_id);
}
@@ -202,18 +170,12 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -226,18 +188,12 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -250,12 +206,11 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
// Escape single quotes
return str_replace("'", "''", $str);
@@ -266,86 +221,49 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
- {
- return @sqlrv_rows_affected($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert ID
- *
- * Returns the last id created in the Identity column.
- *
- * @access public
- * @return integer
- */
- function insert_id()
+ public function affected_rows()
{
- return $this->query('select @@IDENTITY as insert_id')->row('insert_id');
+ return sqlsrv_rows_affected($this->result_id);
}
// --------------------------------------------------------------------
/**
- * Parse major version
- *
- * Grabs the major version number from the
- * database server version string passed in.
- *
- * @access private
- * @param string $version
- * @return int16 major version number
- */
- function _parse_major_version($version)
- {
- preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
- return $ver_info[1]; // return the major version b/c that's all we're interested in.
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
+ * Insert ID
+ *
+ * Returns the last id created in the Identity column.
+ *
+ * @return string
+ */
+ public function insert_id()
{
- $info = sqlsrv_server_info($this->conn_id);
- return sprintf("select '%s' as ver", $info['SQLServerVersion']);
+ $query = $this->query('SELECT @@IDENTITY AS insert_id');
+ $query = $query->row();
+ return $query->insert_id;
}
// --------------------------------------------------------------------
/**
- * "Count All" query
+ * Database version number
*
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @access public
- * @param string
* @return string
*/
- function count_all($table = '')
+ public function version()
{
- if ($table == '')
- return '0';
-
- $query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table);
-
- if ($query->num_rows() == 0)
- return '0';
-
- $row = $query->row();
- $this->_reset_select();
- return $row->numrows;
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
+ if (($info = sqlsrv_server_info($this->conn_id)) === FALSE)
+ {
+ return FALSE;
+ }
+
+ return $this->data_cache['version'] = $info['SQLServerVersion'];
}
// --------------------------------------------------------------------
@@ -355,13 +273,22 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
+ $sql = 'SELECT '.$this->escape_identifiers('name')
+ .' FROM '.$this->escape_identifiers('sysobjects')
+ .' WHERE '.$this->escape_identifiers('type')." = 'U'";
+
+ if ($prefix_limit === TRUE && $this->dbprefix !== '')
+ {
+ $sql .= ' AND '.$this->escape_identifiers('name')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_escape_like_str, $this->_escape_like_chr);
+ }
+
+ return $sql.' ORDER BY '.$this->escape_identifiers('name');
}
// --------------------------------------------------------------------
@@ -371,13 +298,12 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access private
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'";
+ return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
}
// --------------------------------------------------------------------
@@ -387,113 +313,66 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT TOP 1 * FROM " . $this->_escape_table($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- $error = array_shift(sqlsrv_errors());
- return !empty($error['message']) ? $error['message'] : null;
+ return 'SELECT TOP 1 * FROM '.$this->protect_identifiers($table);
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Error
*
- * @access private
- * @return integer
- */
- function _error_number()
- {
- $error = array_shift(sqlsrv_errors());
- return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape Table Name
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * This function adds backticks if the table name has a period
- * in it. Some DBs will get cranky unless periods are escaped
- *
- * @access private
- * @param string the table name
- * @return string
+ * @return array
*/
- function _escape_table($table)
+ public function error()
{
- return $table;
- }
+ $error = array('code' => '00000', 'message' => '');
+ $sqlsrv_errors = sqlsrv_errors(SQLSRV_ERR_ERRORS);
+ if ( ! is_array($sqlsrv_errors))
+ {
+ return $error;
+ }
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @access private
- * @param string
- * @return string
- */
- function _escape_identifiers($item)
- {
- return $item;
- }
-
- // --------------------------------------------------------------------
+ $sqlsrv_error = array_shift($sqlsrv_errors);
+ if (isset($sqlsrv_error['SQLSTATE']))
+ {
+ $error['code'] = isset($sqlsrv_error['code']) ? $sqlsrv_error['SQLSTATE'].'/'.$sqlsrv_error['code'] : $sqlsrv_error['SQLSTATE'];
+ }
+ elseif (isset($sqlsrv_error['code']))
+ {
+ $error['code'] = $sqlsrv_error['code'];
+ }
- /**
- * From Tables
- *
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
- *
- * @access public
- * @param type
- * @return type
- */
- function _from_tables($tables)
- {
- if ( ! is_array($tables))
+ if (isset($sqlsrv_error['message']))
{
- $tables = array($tables);
+ $error['message'] = $sqlsrv_error['message'];
}
- return implode(', ', $tables);
+ return $error;
}
// --------------------------------------------------------------------
/**
- * Insert statement
+ * From Tables
*
- * Generates a platform-specific insert string from the supplied data
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
*
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
+ * @param array
* @return string
*/
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ protected function _from_tables($tables)
+ {
+ return is_array($tables) ? implode(', ', $tables) : $tables;
}
// --------------------------------------------------------------------
@@ -503,40 +382,47 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
* @return string
*/
- function _update($table, $values, $where)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
- foreach($values as $key => $val)
+ foreach ($values as $key => $val)
{
- $valstr[] = $key." = ".$val;
+ $valstr[] = $key.' = '.$val;
}
-
- return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where);
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
}
-
+
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access public
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
* @param string the table name
* @return string
*/
- function _truncate($table)
+ protected function _truncate($table)
{
- return "TRUNCATE ".$table;
+ return 'TRUNCATE TABLE '.$table;
}
// --------------------------------------------------------------------
@@ -546,15 +432,24 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
* @param array the where clause
+ * @param array the like clause
* @param string the limit clause
* @return string
*/
- function _delete($table, $where)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where);
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
+
+ return ($limit)
+ ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete'
+ : 'DELETE FROM '.$table.$conditions;
}
// --------------------------------------------------------------------
@@ -564,17 +459,36 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
- $i = $limit + $offset;
-
- return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
+ // As of SQL Server 2012 (11.0.*) OFFSET is supported
+ if (version_compare($this->version(), '11', '>='))
+ {
+ return $sql.' OFFSET '.(int) $offset.' ROWS FETCH NEXT '.(int) $limit.' ROWS ONLY';
+ }
+
+ $limit = $offset + $limit;
+
+ // An ORDER BY clause is required for ROW_NUMBER() to work
+ if ($offset && ! empty($this->qb_orderby))
+ {
+ $orderby = 'ORDER BY '.implode(', ', $this->qb_orderby);
+
+ // We have to strip the ORDER BY clause
+ $sql = trim(substr($sql, 0, strrpos($sql, 'ORDER BY '.$orderby)));
+
+ return 'SELECT '.(count($this->qb_select) === 0 ? '*' : implode(', ', $this->qb_select))." FROM (\n"
+ .preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.$orderby.') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
+ ."\n) ".$this->escape_identifiers('CI_subquery')
+ ."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.((int) $offset + 1).' AND '.$limit;
+ }
+
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
}
// --------------------------------------------------------------------
@@ -582,18 +496,14 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @sqlsrv_close($conn_id);
+ @sqlsrv_close($this->conn_id);
}
}
-
-
-/* End of file mssql_driver.php */
-/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
+/* End of file sqlsrv_driver.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php
index cc88ec5ca..ccdb36929 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_forge.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php
@@ -1,135 +1,94 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.0.3
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- return "DROP TABLE ".$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return string
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
- $sql = 'CREATE TABLE ';
+ $sql = ($if_not_exists === TRUE)
+ ? "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'".$table."') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\n"
+ : '';
- if ($if_not_exists === TRUE)
- {
- $sql .= 'IF NOT EXISTS ';
- }
+ $sql .= 'CREATE TABLE '.$this->db->escape_identifiers($table).' (';
- $sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
-
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
+ if (stripos($attributes['TYPE'], 'INT') === FALSE && ! empty($attributes['CONSTRAINT']))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attribues['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
@@ -144,30 +103,22 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
- if (is_array($key))
- {
- $key = $this->db->_protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->_protect_identifiers($key));
- }
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->escape_identifiers($key));
- $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')';
}
}
- $sql .= "\n)";
-
- return $sql;
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -178,71 +129,32 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name);
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
return $sql;
}
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
-
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- // I think this syntax will work, but can find little documentation on renaming tables in MSSQL
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return $sql.' '.$column_definition
+ .($default_value != '' ? ' DEFAULT "'.$default_value.'"' : '')
+ .($null === NULL ? ' NULL' : ' NOT NULL')
+ .($after_field != '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
}
}
-/* End of file mssql_forge.php */
-/* Location: ./system/database/drivers/mssql/mssql_forge.php */ \ No newline at end of file
+/* End of file sqlsrv_forge.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php
index bf0abd1c6..fb7a68647 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_result.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_result.php
@@ -1,40 +1,52 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 2.0.3
*/
class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @sqlsrv_num_rows($this->result_id);
+ return is_int($this->num_rows)
+ ? $this->num_rows
+ : $this->num_rows = @sqlsrv_num_rows($this->result_id);
}
// --------------------------------------------------------------------
@@ -42,10 +54,9 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @sqlsrv_num_fields($this->result_id);
}
@@ -57,17 +68,16 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
+ foreach (sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$field_names[] = $field['Name'];
}
-
+
return $field_names;
}
@@ -78,24 +88,23 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
+ foreach (sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
- $F = new stdClass();
- $F->name = $field['Name'];
- $F->type = $field['Type'];
+ $F = new stdClass();
+ $F->name = $field['Name'];
+ $F->type = $field['Type'];
$F->max_length = $field['Size'];
$F->primary_key = 0;
- $F->default = '';
-
+ $F->default = '';
+
$retval[] = $F;
}
-
+
return $retval;
}
@@ -104,9 +113,9 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -118,31 +127,13 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
// --------------------------------------------------------------------
/**
- * Data Seek
- *
- * Moves the internal pointer to the desired offset. We call
- * this internally before fetching results to make sure the
- * result set starts at zero
- *
- * @access private
- * @return array
- */
- function _data_seek($n = 0)
- {
- // Not implemented
- }
-
- // --------------------------------------------------------------------
-
- /**
* Result - associative array
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return sqlsrv_fetch_array($this->result_id, SQLSRV_FETCH_ASSOC);
}
@@ -154,16 +145,15 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @param string
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- return sqlsrv_fetch_object($this->result_id);
+ return sqlsrv_fetch_object($this->result_id, $class_name);
}
}
-
-/* End of file mssql_result.php */
-/* Location: ./system/database/drivers/mssql/mssql_result.php */ \ No newline at end of file
+/* End of file sqlsrv_result.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php
index 13a1850c4..d518cc15a 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_utility.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php
@@ -1,82 +1,49 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.0.3
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Utility Class
*
* @category Database
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases
+ protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE';
/**
- * MSSQL Export
+ * SQLSRV Export
*
- * @access private
* @param array Preferences
- * @return mixed
+ * @return bool
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
@@ -84,5 +51,5 @@ class CI_DB_sqlsrv_utility extends CI_DB_utility {
}
-/* End of file mssql_utility.php */
-/* Location: ./system/database/drivers/mssql/mssql_utility.php */ \ No newline at end of file
+/* End of file sqlsrv_utility.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_utility.php */ \ No newline at end of file