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-rw-r--r--system/database/DB_driver.php407
-rw-r--r--system/database/DB_query_builder.php31
-rw-r--r--system/database/DB_result.php6
-rw-r--r--system/database/drivers/cubrid/cubrid_driver.php71
-rw-r--r--system/database/drivers/cubrid/cubrid_forge.php30
-rw-r--r--system/database/drivers/interbase/index.html10
-rw-r--r--system/database/drivers/interbase/interbase_driver.php626
-rw-r--r--system/database/drivers/interbase/interbase_forge.php243
-rw-r--r--system/database/drivers/interbase/interbase_result.php294
-rw-r--r--system/database/drivers/interbase/interbase_utility.php115
-rw-r--r--system/database/drivers/mssql/mssql_driver.php52
-rw-r--r--system/database/drivers/mssql/mssql_forge.php17
-rw-r--r--system/database/drivers/mysql/mysql_driver.php60
-rw-r--r--system/database/drivers/mysql/mysql_forge.php8
-rw-r--r--system/database/drivers/mysql/mysql_result.php18
-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php62
-rw-r--r--system/database/drivers/mysqli/mysqli_forge.php2
-rw-r--r--system/database/drivers/mysqli/mysqli_result.php19
-rw-r--r--system/database/drivers/oci8/oci8_driver.php87
-rw-r--r--system/database/drivers/oci8/oci8_forge.php72
-rw-r--r--system/database/drivers/oci8/oci8_result.php15
-rw-r--r--system/database/drivers/odbc/odbc_driver.php63
-rw-r--r--system/database/drivers/odbc/odbc_forge.php18
-rw-r--r--system/database/drivers/odbc/odbc_result.php129
-rw-r--r--system/database/drivers/pdo/pdo_driver.php99
-rw-r--r--system/database/drivers/pdo/pdo_forge.php17
-rw-r--r--system/database/drivers/postgre/postgre_driver.php114
-rw-r--r--system/database/drivers/postgre/postgre_forge.php21
-rw-r--r--system/database/drivers/postgre/postgre_utility.php35
-rw-r--r--system/database/drivers/sqlite/sqlite_driver.php55
-rw-r--r--system/database/drivers/sqlite/sqlite_forge.php20
-rw-r--r--system/database/drivers/sqlite/sqlite_utility.php41
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php86
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_forge.php19
34 files changed, 2021 insertions, 941 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index e33fa652c..e379755ed 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1,13 +1,13 @@
-<?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
*
* 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:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Database Driver Class
*
@@ -42,54 +40,44 @@
*/
class CI_DB_driver {
- var $username;
- var $password;
- var $hostname;
- var $database;
- var $dbdriver = 'mysql';
- var $dbprefix = '';
- var $char_set = 'utf8';
- var $dbcollat = 'utf8_general_ci';
- var $autoinit = TRUE; // Whether to automatically initialize the DB
- var $swap_pre = '';
- var $port = '';
- var $pconnect = FALSE;
- var $conn_id = FALSE;
- var $result_id = FALSE;
- var $db_debug = FALSE;
- var $benchmark = 0;
- var $query_count = 0;
- var $bind_marker = '?';
- var $save_queries = TRUE;
- var $queries = array();
- var $query_times = array();
- var $data_cache = array();
- var $trans_enabled = TRUE;
- var $trans_strict = TRUE;
- var $_trans_depth = 0;
- var $_trans_status = TRUE; // Used with transactions to determine if a rollback should occur
- var $cache_on = FALSE;
- var $cachedir = '';
- var $cache_autodel = FALSE;
- var $CACHE; // The cache class object
-
- // Private variables
- var $_protect_identifiers = TRUE;
- var $_reserved_identifiers = array('*'); // Identifiers that should NOT be escaped
-
- // These are use with Oracle
- var $stmt_id;
- var $curs_id;
- var $limit_used;
-
-
- /**
- * Constructor. Accepts one parameter containing the database
- * connection settings.
- *
- * @param array
- */
- function __construct($params)
+ public $dsn;
+ public $username;
+ public $password;
+ public $hostname;
+ public $database;
+ public $dbdriver = 'mysql';
+ public $dbprefix = '';
+ public $char_set = 'utf8';
+ public $dbcollat = 'utf8_general_ci';
+ public $autoinit = TRUE; // Whether to automatically initialize the DB
+ public $swap_pre = '';
+ public $port = '';
+ public $pconnect = FALSE;
+ public $conn_id = FALSE;
+ public $result_id = FALSE;
+ public $db_debug = FALSE;
+ public $benchmark = 0;
+ public $query_count = 0;
+ public $bind_marker = '?';
+ public $save_queries = TRUE;
+ public $queries = array();
+ public $query_times = array();
+ public $data_cache = array();
+
+ public $trans_enabled = TRUE;
+ public $trans_strict = TRUE;
+ protected $_trans_depth = 0;
+ protected $_trans_status = TRUE; // Used with transactions to determine if a rollback should occur
+
+ public $cache_on = FALSE;
+ public $cachedir = '';
+ public $cache_autodel = FALSE;
+ public $CACHE; // The cache class object
+
+ protected $_protect_identifiers = TRUE;
+ protected $_reserved_identifiers = array('*'); // Identifiers that should NOT be escaped
+
+ public function __construct($params)
{
if (is_array($params))
{
@@ -185,20 +173,19 @@ class CI_DB_driver {
/**
* Set client character set
*
- * @access public
* @param string
* @param string
- * @return resource
+ * @return bool
*/
- function db_set_charset($charset, $collation)
+ public function db_set_charset($charset, $collation = '')
{
- if ( ! $this->_db_set_charset($this->char_set, $this->dbcollat))
+ if (method_exists($this, '_db_set_charset') && ! $this->_db_set_charset($charset, $collation))
{
- log_message('error', 'Unable to set database connection charset: '.$this->char_set);
+ log_message('error', 'Unable to set database connection charset: '.$charset);
if ($this->db_debug)
{
- $this->display_error('db_unable_to_set_charset', $this->char_set);
+ $this->display_error('db_unable_to_set_charset', $charset);
}
return FALSE;
@@ -212,10 +199,9 @@ class CI_DB_driver {
/**
* The name of the platform in use (mysql, mssql, etc...)
*
- * @access public
* @return string
*/
- function platform()
+ public function platform()
{
return $this->dbdriver;
}
@@ -223,36 +209,40 @@ class CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Database Version Number. Returns a string containing the
- * version of the database being used
+ * Database version number
+ *
+ * Returns a string containing the version of the database being used.
+ * Most drivers will override this method.
*
- * @access public
* @return string
*/
- function version()
+ public function version()
{
- if (FALSE === ($sql = $this->_version()))
+ if (isset($this->data_cache['version']))
{
- if ($this->db_debug)
- {
- return $this->display_error('db_unsupported_function');
- }
- return FALSE;
+ return $this->data_cache['version'];
}
- // Some DBs have functions that return the version, and don't run special
- // SQL queries per se. In these instances, just return the result.
- $driver_version_exceptions = array('oci8', 'sqlite', 'cubrid', 'pdo', 'mysqli');
-
- if (in_array($this->dbdriver, $driver_version_exceptions))
- {
- return $sql;
- }
- else
+ if (FALSE === ($sql = $this->_version()))
{
- $query = $this->query($sql);
- return $query->row('ver');
+ return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE;
}
+
+ $query = $this->query($sql);
+ $query = $query->row();
+ return $this->data_cache['version'] = $query->ver;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Version number query string
+ *
+ * @return string
+ */
+ protected function _version()
+ {
+ return 'SELECT VERSION() AS ver';
}
// --------------------------------------------------------------------
@@ -261,17 +251,16 @@ class CI_DB_driver {
* Execute the query
*
* Accepts an SQL string as input and returns a result object upon
- * successful execution of a "read" type query. Returns boolean TRUE
+ * successful execution of a "read" type query. Returns boolean TRUE
* upon successful execution of a "write" type query. Returns boolean
* FALSE upon failure, and if the $db_debug variable is set to TRUE
* will raise an error.
*
- * @access public
* @param string An SQL query string
* @param array An array of binding data
* @return mixed
*/
- function query($sql, $binds = FALSE, $return_object = TRUE)
+ public function query($sql, $binds = FALSE, $return_object = TRUE)
{
if ($sql == '')
{
@@ -290,7 +279,13 @@ class CI_DB_driver {
$sql = preg_replace("/(\W)".$this->swap_pre."(\S+?)/", "\\1".$this->dbprefix."\\2", $sql);
}
- // Is query caching enabled? If the query is a "read type"
+ // Compile binds if needed
+ if ($binds !== FALSE)
+ {
+ $sql = $this->compile_binds($sql, $binds);
+ }
+
+ // Is query caching enabled? If the query is a "read type"
// we will load the caching class and return the previously
// cached query if it exists
if ($this->cache_on == TRUE AND stristr($sql, 'SELECT'))
@@ -305,12 +300,6 @@ class CI_DB_driver {
}
}
- // Compile binds if needed
- if ($binds !== FALSE)
- {
- $sql = $this->compile_binds($sql, $binds);
- }
-
// Save the query for debugging
if ($this->save_queries == TRUE)
{
@@ -331,30 +320,28 @@ class CI_DB_driver {
// This will trigger a rollback if transactions are being used
$this->_trans_status = FALSE;
- // Grab the error number and message now, as we might run some
- // additional queries before displaying the error
- $error_no = $this->_error_number();
- $error_msg = $this->_error_message();
+ // Grab the error now, as we might run some additional queries before displaying the error
+ $error = $this->error();
// Log errors
- log_message('error', 'Query error: '.$error_msg);
+ log_message('error', 'Query error: '.$error['message']);
if ($this->db_debug)
{
// We call this function in order to roll-back queries
- // if transactions are enabled. If we don't call this here
+ // if transactions are enabled. If we don't call this here
// the error message will trigger an exit, causing the
// transactions to remain in limbo.
$this->trans_complete();
// Display errors
return $this->display_error(
- array(
- 'Error Number: '.$error_no,
- $error_msg,
- $sql
- )
- );
+ array(
+ 'Error Number: '.$error['code'],
+ $error['message'],
+ $sql
+ )
+ );
}
return FALSE;
@@ -395,21 +382,9 @@ class CI_DB_driver {
}
// Load and instantiate the result driver
+ $driver = $this->load_rdriver();
+ $RES = new $driver($this);
- $driver = $this->load_rdriver();
- $RES = new $driver();
- $RES->conn_id = $this->conn_id;
- $RES->result_id = $this->result_id;
-
- if ($this->dbdriver == 'oci8')
- {
- $RES->stmt_id = $this->stmt_id;
- $RES->curs_id = NULL;
- $RES->limit_used = $this->limit_used;
- $this->stmt_id = FALSE;
- }
-
- // oci8 vars must be set before calling this
$RES->num_rows = $RES->num_rows();
// Is query caching enabled? If so, we'll serialize the
@@ -442,10 +417,9 @@ class CI_DB_driver {
/**
* Load the result drivers
*
- * @access public
* @return string the name of the result class
*/
- function load_rdriver()
+ public function load_rdriver()
{
$driver = 'CI_DB_'.$this->dbdriver.'_result';
@@ -462,15 +436,14 @@ class CI_DB_driver {
/**
* Simple Query
- * This is a simplified version of the query() function. Internally
+ * This is a simplified version of the query() function. Internally
* we only use it when running transaction commands since they do
* not require all the features of the main query() function.
*
- * @access public
* @param string the sql query
* @return mixed
*/
- function simple_query($sql)
+ public function simple_query($sql)
{
if ( ! $this->conn_id)
{
@@ -486,10 +459,9 @@ class CI_DB_driver {
* Disable Transactions
* This permits transactions to be disabled at run-time.
*
- * @access public
* @return void
*/
- function trans_off()
+ public function trans_off()
{
$this->trans_enabled = FALSE;
}
@@ -503,10 +475,9 @@ class CI_DB_driver {
* If strict mode is disabled, each group is treated autonomously, meaning
* a failure of one group will not affect any others
*
- * @access public
* @return void
*/
- function trans_strict($mode = TRUE)
+ public function trans_strict($mode = TRUE)
{
$this->trans_strict = is_bool($mode) ? $mode : TRUE;
}
@@ -516,10 +487,9 @@ class CI_DB_driver {
/**
* Start Transaction
*
- * @access public
* @return void
*/
- function trans_start($test_mode = FALSE)
+ public function trans_start($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -542,10 +512,9 @@ class CI_DB_driver {
/**
* Complete Transaction
*
- * @access public
* @return bool
*/
- function trans_complete()
+ public function trans_complete()
{
if ( ! $this->trans_enabled)
{
@@ -589,10 +558,9 @@ class CI_DB_driver {
/**
* Lets you retrieve the transaction flag to determine if it has failed
*
- * @access public
* @return bool
*/
- function trans_status()
+ public function trans_status()
{
return $this->_trans_status;
}
@@ -602,12 +570,11 @@ class CI_DB_driver {
/**
* Compile Bindings
*
- * @access public
* @param string the sql statement
* @param array an array of bind data
* @return string
*/
- function compile_binds($sql, $binds)
+ public function compile_binds($sql, $binds)
{
if (strpos($sql, $this->bind_marker) === FALSE)
{
@@ -645,17 +612,12 @@ class CI_DB_driver {
/**
* Determines if a query is a "write" type.
*
- * @access public
* @param string An SQL query string
- * @return boolean
+ * @return bool
*/
- function is_write_type($sql)
+ public function is_write_type($sql)
{
- if ( ! preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|GRANT|REVOKE|LOCK|UNLOCK)\s+/i', $sql))
- {
- return FALSE;
- }
- return TRUE;
+ return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|OPTIMIZE|REINDEX)\s+/i', $sql);
}
// --------------------------------------------------------------------
@@ -663,11 +625,10 @@ class CI_DB_driver {
/**
* Calculate the aggregate query elapsed time
*
- * @access public
- * @param integer The number of decimal places
- * @return integer
+ * @param int The number of decimal places
+ * @return int
*/
- function elapsed_time($decimals = 6)
+ public function elapsed_time($decimals = 6)
{
return number_format($this->benchmark, $decimals);
}
@@ -677,10 +638,9 @@ class CI_DB_driver {
/**
* Returns the total number of queries
*
- * @access public
- * @return integer
+ * @return int
*/
- function total_queries()
+ public function total_queries()
{
return $this->query_count;
}
@@ -690,10 +650,9 @@ class CI_DB_driver {
/**
* Returns the last query that was executed
*
- * @access public
- * @return void
+ * @return string
*/
- function last_query()
+ public function last_query()
{
return end($this->queries);
}
@@ -706,11 +665,10 @@ class CI_DB_driver {
* Escapes data based on type
* Sets boolean and null types
*
- * @access public
* @param string
* @return mixed
*/
- function escape($str)
+ public function escape($str)
{
if (is_string($str))
{
@@ -736,11 +694,10 @@ class CI_DB_driver {
* Calls the individual driver for platform
* specific escaping for LIKE conditions
*
- * @access public
* @param string
* @return mixed
*/
- function escape_like_str($str)
+ public function escape_like_str($str)
{
return $this->escape_str($str, TRUE);
}
@@ -750,14 +707,13 @@ class CI_DB_driver {
/**
* Primary
*
- * Retrieves the primary key. It assumes that the row in the first
+ * Retrieves the primary key. It assumes that the row in the first
* position is the primary key
*
- * @access public
* @param string the table name
* @return string
*/
- function primary($table = '')
+ public function primary($table = '')
{
$fields = $this->list_fields($table);
@@ -774,10 +730,9 @@ class CI_DB_driver {
/**
* Returns an array of table names
*
- * @access public
* @return array
*/
- function list_tables($constrain_by_prefix = FALSE)
+ public function list_tables($constrain_by_prefix = FALSE)
{
// Is there a cached result?
if (isset($this->data_cache['table_names']))
@@ -815,7 +770,7 @@ class CI_DB_driver {
}
$this->data_cache['table_names'] = $retval;
-
+
return $this->data_cache['table_names'];
}
@@ -823,12 +778,12 @@ class CI_DB_driver {
/**
* Determine if a particular table exists
- * @access public
- * @return boolean
+ *
+ * @return bool
*/
- function table_exists($table_name)
+ public function table_exists($table_name)
{
- return ( ! in_array($this->_protect_identifiers($table_name, TRUE, FALSE, FALSE), $this->list_tables())) ? FALSE : TRUE;
+ return in_array($this->protect_identifiers($table_name, TRUE, FALSE, FALSE), $this->list_tables());
}
// --------------------------------------------------------------------
@@ -836,11 +791,10 @@ class CI_DB_driver {
/**
* Fetch MySQL Field Names
*
- * @access public
* @param string the table name
* @return array
*/
- function list_fields($table = '')
+ public function list_fields($table = '')
{
// Is there a cached result?
if (isset($this->data_cache['field_names'][$table]))
@@ -889,12 +843,12 @@ class CI_DB_driver {
/**
* Determine if a particular field exists
- * @access public
+ *
* @param string
* @param string
- * @return boolean
+ * @return bool
*/
- function field_exists($field_name, $table_name)
+ public function field_exists($field_name, $table_name)
{
return ( ! in_array($field_name, $this->list_fields($table_name))) ? FALSE : TRUE;
}
@@ -904,11 +858,10 @@ class CI_DB_driver {
/**
* Returns an object with field data
*
- * @access public
* @param string the table name
* @return object
*/
- function field_data($table = '')
+ public function field_data($table = '')
{
if ($table == '')
{
@@ -919,7 +872,7 @@ class CI_DB_driver {
return FALSE;
}
- $query = $this->query($this->_field_data($this->_protect_identifiers($table, TRUE, NULL, FALSE)));
+ $query = $this->query($this->_field_data($this->protect_identifiers($table, TRUE, NULL, FALSE)));
return $query->field_data();
}
@@ -929,12 +882,11 @@ class CI_DB_driver {
/**
* Generate an insert string
*
- * @access public
* @param string the table upon which the query will be performed
* @param array an associative array data of key/values
* @return string
*/
- function insert_string($table, $data)
+ public function insert_string($table, $data)
{
$fields = array();
$values = array();
@@ -945,7 +897,7 @@ class CI_DB_driver {
$values[] = $this->escape($val);
}
- return $this->_insert($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $values);
+ return $this->_insert($this->protect_identifiers($table, TRUE, NULL, FALSE), $fields, $values);
}
// --------------------------------------------------------------------
@@ -953,23 +905,22 @@ class CI_DB_driver {
/**
* Generate an update string
*
- * @access public
* @param string the table upon which the query will be performed
* @param array an associative array data of key/values
* @param mixed the "where" statement
* @return string
*/
- function update_string($table, $data, $where)
+ public function update_string($table, $data, $where)
{
if ($where == '')
{
- return false;
+ return FALSE;
}
$fields = array();
foreach ($data as $key => $val)
{
- $fields[$this->_protect_identifiers($key)] = $this->escape($val);
+ $fields[$this->protect_identifiers($key)] = $this->escape($val);
}
if ( ! is_array($where))
@@ -982,7 +933,7 @@ class CI_DB_driver {
foreach ($where as $key => $val)
{
$prefix = (count($dest) == 0) ? '' : ' AND ';
- $key = $this->_protect_identifiers($key);
+ $key = $this->protect_identifiers($key);
if ($val !== '')
{
@@ -998,7 +949,7 @@ class CI_DB_driver {
}
}
- return $this->_update($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $dest);
+ return $this->_update($this->protect_identifiers($table, TRUE, NULL, FALSE), $fields, $dest);
}
// --------------------------------------------------------------------
@@ -1006,11 +957,10 @@ class CI_DB_driver {
/**
* Tests whether the string has an SQL operator
*
- * @access private
* @param string
* @return bool
*/
- function _has_operator($str)
+ protected function _has_operator($str)
{
$str = trim($str);
if ( ! preg_match("/(\s|<|>|!|=|is null|is not null)/i", $str))
@@ -1026,12 +976,11 @@ class CI_DB_driver {
/**
* Enables a native PHP function to be run, using a platform agnostic wrapper.
*
- * @access public
* @param string the function name
* @param mixed any parameters needed by the function
* @return mixed
*/
- function call_function($function)
+ public function call_function($function)
{
$driver = ($this->dbdriver == 'postgre') ? 'pg_' : $this->dbdriver.'_';
@@ -1068,11 +1017,10 @@ class CI_DB_driver {
/**
* Set Cache Directory Path
*
- * @access public
* @param string the path to the cache directory
* @return void
*/
- function cache_set_path($path = '')
+ public function cache_set_path($path = '')
{
$this->cachedir = $path;
}
@@ -1082,10 +1030,9 @@ class CI_DB_driver {
/**
* Enable Query Caching
*
- * @access public
- * @return void
+ * @return bool cache_on value
*/
- function cache_on()
+ public function cache_on()
{
$this->cache_on = TRUE;
return TRUE;
@@ -1096,10 +1043,9 @@ class CI_DB_driver {
/**
* Disable Query Caching
*
- * @access public
- * @return void
+ * @return bool cache_on value
*/
- function cache_off()
+ public function cache_off()
{
$this->cache_on = FALSE;
return FALSE;
@@ -1111,10 +1057,9 @@ class CI_DB_driver {
/**
* Delete the cache files associated with a particular URI
*
- * @access public
- * @return void
+ * @return bool
*/
- function cache_delete($segment_one = '', $segment_two = '')
+ public function cache_delete($segment_one = '', $segment_two = '')
{
if ( ! $this->_cache_init())
{
@@ -1128,10 +1073,9 @@ class CI_DB_driver {
/**
* Delete All cache files
*
- * @access public
- * @return void
+ * @return bool
*/
- function cache_delete_all()
+ public function cache_delete_all()
{
if ( ! $this->_cache_init())
{
@@ -1146,10 +1090,9 @@ class CI_DB_driver {
/**
* Initialize the Cache Class
*
- * @access private
- * @return void
+ * @return bool
*/
- function _cache_init()
+ protected function _cache_init()
{
if (is_object($this->CACHE) AND class_exists('CI_DB_Cache'))
{
@@ -1173,10 +1116,9 @@ class CI_DB_driver {
/**
* Close DB Connection
*
- * @access public
* @return void
*/
- function close()
+ public function close()
{
if (is_resource($this->conn_id) OR is_object($this->conn_id))
{
@@ -1190,13 +1132,12 @@ class CI_DB_driver {
/**
* Display an error message
*
- * @access public
* @param string the error message
* @param string any "swap" values
- * @param boolean whether to localize the message
+ * @param bool whether to localize the message
* @return string sends the application/error_db.php template
*/
- function display_error($error = '', $swap = '', $native = FALSE)
+ public function display_error($error = '', $swap = '', $native = FALSE)
{
$LANG =& load_class('Lang', 'core');
$LANG->load('db');
@@ -1240,27 +1181,11 @@ class CI_DB_driver {
/**
* Protect Identifiers
*
- * This function adds backticks if appropriate based on db type
- *
- * @access private
- * @param mixed the item to escape
- * @return mixed the item with backticks
- */
- function protect_identifiers($item, $prefix_single = FALSE)
- {
- return $this->_protect_identifiers($item, $prefix_single);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Protect Identifiers
- *
* This function is used extensively by the Query Builder class, and by
* a couple functions in this class.
* It takes a column or table name (optionally with an alias) and inserts
* the table prefix onto it. Some logic is necessary in order to deal with
- * column names that include the path. Consider a query like this:
+ * column names that include the path. Consider a query like this:
*
* SELECT * FROM hostname.database.table.column AS c FROM hostname.database.table
*
@@ -1273,14 +1198,13 @@ class CI_DB_driver {
* insert the table prefix (if it exists) in the proper position, and escape only
* the correct identifiers.
*
- * @access private
* @param string
* @param bool
* @param mixed
* @param bool
* @return string
*/
- function _protect_identifiers($item, $prefix_single = FALSE, $protect_identifiers = NULL, $field_exists = TRUE)
+ public function protect_identifiers($item, $prefix_single = FALSE, $protect_identifiers = NULL, $field_exists = TRUE)
{
if ( ! is_bool($protect_identifiers))
{
@@ -1290,10 +1214,9 @@ class CI_DB_driver {
if (is_array($item))
{
$escaped_array = array();
-
foreach ($item as $k => $v)
{
- $escaped_array[$this->_protect_identifiers($k)] = $this->_protect_identifiers($v);
+ $escaped_array[$this->protect_identifiers($k)] = $this->protect_identifiers($v);
}
return $escaped_array;
@@ -1313,7 +1236,7 @@ class CI_DB_driver {
// This is basically a bug fix for queries that use MAX, MIN, etc.
// If a parenthesis is found we know that we do not need to
- // escape the data or add a prefix. There's probably a more graceful
+ // escape the data or add a prefix. There's probably a more graceful
// way to deal with this, but I'm not thinking of it -- Rick
if (strpos($item, '(') !== FALSE)
{
@@ -1328,7 +1251,7 @@ class CI_DB_driver {
$parts = explode('.', $item);
// Does the first segment of the exploded item match
- // one of the aliases previously identified? If so,
+ // one of the aliases previously identified? If so,
// we have nothing more to do other than escape the item
if (in_array($parts[0], $this->qb_aliased_tables))
{
@@ -1347,7 +1270,7 @@ class CI_DB_driver {
return $item.$alias;
}
- // Is there a table prefix defined in the config file? If not, no need to do anything
+ // Is there a table prefix defined in the config file? If not, no need to do anything
if ($this->dbprefix != '')
{
// We now add the table prefix based on some logic.
@@ -1401,7 +1324,7 @@ class CI_DB_driver {
return $item.$alias;
}
- // Is there a table prefix? If not, no need to insert it
+ // Is there a table prefix? If not, no need to insert it
if ($this->dbprefix != '')
{
// Verify table prefix and replace if necessary
@@ -1424,6 +1347,20 @@ class CI_DB_driver {
return $item.$alias;
}
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Dummy method that allows Active Record class to be disabled
+ *
+ * This function is used extensively by every db driver.
+ *
+ * @return void
+ */
+ protected function _reset_select()
+ {
+ }
+
}
/* End of file DB_driver.php */
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index fad879389..ab59462b1 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -236,7 +236,8 @@ class CI_DB_query_builder extends CI_DB_driver {
{
if (strpos($item, '.') !== FALSE)
{
- return end(explode('.', $item));
+ $item = explode('.', $item);
+ return end($item);
}
return $item;
@@ -278,6 +279,7 @@ class CI_DB_query_builder extends CI_DB_driver {
{
$v = trim($v);
$this->_track_aliases($v);
+
$v = $this->qb_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE);
if ($this->qb_caching === TRUE)
@@ -294,6 +296,7 @@ class CI_DB_query_builder extends CI_DB_driver {
// Extract any aliases that might exist. We use this information
// in the _protect_identifiers to know whether to add a table prefix
$this->_track_aliases($val);
+
$this->qb_from[] = $val = $this->_protect_identifiers($val, TRUE, NULL, FALSE);
if ($this->qb_caching === TRUE)
@@ -340,9 +343,9 @@ class CI_DB_query_builder extends CI_DB_driver {
$this->_track_aliases($table);
// Strip apart the condition and protect the identifiers
- if (preg_match('/([\w\.]+)([\W\s]+)(.+)/', $cond, $match))
+ if (preg_match('/([\[\w\.]+)([\W\s]+)(.+)/', $cond, $match))
{
- $cond = $this->_protect_identifiers($match[1]).$match[2].$this->_protect_identifiers($match[3]);
+ $cond = $this->protect_identifiers($match[1]).$match[2].$this->protect_identifiers($match[3]);
}
// Assemble the JOIN statement
@@ -432,7 +435,7 @@ class CI_DB_query_builder extends CI_DB_driver {
{
if ($escape === TRUE)
{
- $k = $this->_protect_identifiers($k, FALSE, $escape);
+ $k = $this->protect_identifiers($k, FALSE, $escape);
$v = ' '.$this->escape($v);
}
@@ -443,7 +446,7 @@ class CI_DB_query_builder extends CI_DB_driver {
}
else
{
- $k = $this->_protect_identifiers($k, FALSE, $escape);
+ $k = $this->protect_identifiers($k, FALSE, $escape);
}
$this->qb_where[] = $prefix.$k.$v;
@@ -895,7 +898,7 @@ class CI_DB_query_builder extends CI_DB_driver {
if ($escape === TRUE)
{
- $k = $this->_protect_identifiers($k);
+ $k = $this->protect_identifiers($k);
}
if ( ! $this->_has_operator($k))
@@ -950,7 +953,7 @@ class CI_DB_query_builder extends CI_DB_driver {
$part = trim($part);
if ( ! in_array($part, $this->qb_aliased_tables))
{
- $part = $this->_protect_identifiers(trim($part));
+ $part = $this->protect_identifiers(trim($part));
}
$temp[] = $part;
@@ -962,7 +965,7 @@ class CI_DB_query_builder extends CI_DB_driver {
{
if ($escape === TRUE)
{
- $orderby = $this->_protect_identifiers($orderby);
+ $orderby = $this->protect_identifiers($orderby);
}
}
@@ -1124,7 +1127,7 @@ class CI_DB_query_builder extends CI_DB_driver {
$this->from($table);
}
- $result = $this->query($this->_compile_select($this->_count_string.$this->_protect_identifiers('numrows')));
+ $result = $this->query($this->_compile_select($this->_count_string.$this->protect_identifiers('numrows')));
$this->_reset_select();
if ($result->num_rows() === 0)
@@ -1414,6 +1417,7 @@ class CI_DB_query_builder extends CI_DB_driver {
}
$sql = $this->_replace($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->qb_set), array_values($this->qb_set));
+
$this->_reset_write();
return $this->query($sql);
}
@@ -1488,6 +1492,7 @@ class CI_DB_query_builder extends CI_DB_driver {
}
$sql = $this->_update($this->_protect_identifiers($this->qb_from[0], TRUE, NULL, FALSE), $this->qb_set, $this->qb_where, $this->qb_orderby, $this->qb_limit, $this->qb_like);
+
$this->_reset_write();
return $this->query($sql);
}
@@ -1613,7 +1618,7 @@ class CI_DB_query_builder extends CI_DB_driver {
$not[] = $k.'-'.$v;
}
- $clean[$this->_protect_identifiers($k2)] = ($escape === FALSE) ? $v2 : $this->escape($v2);
+ $clean[$this->protect_identifiers($k2)] = ($escape === FALSE) ? $v2 : $this->escape($v2);
}
if ($index_set == FALSE)
@@ -1650,7 +1655,7 @@ class CI_DB_query_builder extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ $table = $this->protect_identifiers($table, TRUE, NULL, FALSE);
}
$sql = $this->_delete($table);
@@ -1683,7 +1688,7 @@ class CI_DB_query_builder extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ $table = $this->protect_identifiers($table, TRUE, NULL, FALSE);
}
$sql = $this->_truncate($table);
@@ -1750,7 +1755,7 @@ class CI_DB_query_builder extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ $table = $this->protect_identifiers($table, TRUE, NULL, FALSE);
}
if ($where != '')
diff --git a/system/database/DB_result.php b/system/database/DB_result.php
index 730443222..61aa56121 100644
--- a/system/database/DB_result.php
+++ b/system/database/DB_result.php
@@ -47,6 +47,12 @@ class CI_DB_result {
public $num_rows = 0;
public $row_data = NULL;
+ public function __construct(&$driver_object)
+ {
+ $this->conn_id = $driver_object->conn_id;
+ $this->result_id = $driver_object->result_id;
+ }
+
/**
* Query result. Acts as a wrapper function for the following functions.
*
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index ccabb3b4b..f2f88e730 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -156,37 +156,15 @@ class CI_DB_cubrid_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Database version number
*
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // 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;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @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);
}
// --------------------------------------------------------------------
@@ -362,12 +340,11 @@ 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();
}
// --------------------------------------------------------------------
@@ -401,9 +378,8 @@ class CI_DB_cubrid_driver extends CI_DB {
{
return 0;
}
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
+ $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;
@@ -450,7 +426,7 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
@@ -472,31 +448,18 @@ class CI_DB_cubrid_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * The error message string
+ * Error
*
- * @access private
- * @return string
- */
- function _error_message()
- {
- return cubrid_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @return integer
+ * @return array
*/
- function _error_number()
+ public function error()
{
- return cubrid_errno($this->conn_id);
+ return array('code' => cubrid_errno($this->conn_id), 'message' => cubrid_error($this->conn_id));
}
- // --------------------------------------------------------------------
-
/**
* Escape the SQL Identifiers
*
@@ -801,4 +764,4 @@ class CI_DB_cubrid_driver extends CI_DB {
/* End of file cubrid_driver.php */
-/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */
diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php
index 85e740057..76002cb38 100644
--- a/system/database/drivers/cubrid/cubrid_forge.php
+++ b/system/database/drivers/cubrid/cubrid_forge.php
@@ -93,11 +93,11 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\"";
+ $sql .= "\n\t\"".$this->db->protect_identifiers($field).'"';
if (array_key_exists('NAME', $attributes))
{
- $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
+ $sql .= ' '.$this->db->protect_identifiers($attributes['NAME']).' ';
}
if (array_key_exists('TYPE', $attributes))
@@ -197,10 +197,9 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
// If there is a PK defined
if (count($primary_keys) > 0)
{
- $key_name = "pk_" . $table . "_" .
- $this->db->_protect_identifiers(implode('_', $primary_keys));
-
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $key_name = 'pk_'.$table.'_'.$this->db->protect_identifiers(implode('_', $primary_keys));
+
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
}
@@ -210,15 +209,15 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key_name = $this->db->_protect_identifiers(implode('_', $key));
- $key = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers(implode('_', $key));
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key_name = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers($key);
$key = array($key_name);
}
-
+
$sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
}
}
@@ -258,19 +257,19 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
*/
function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
- return $sql.$this->db->_protect_identifiers($fields);
+ return $sql.$this->db->protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
@@ -290,11 +289,10 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
*/
function _rename_table($table_name, $new_table_name)
{
- $sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return 'RENAME TABLE '.$this->db->protect_identifiers($table_name).' AS '.$this->db->protect_identifiers($new_table_name);
}
}
/* End of file cubrid_forge.php */
-/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */
diff --git a/system/database/drivers/interbase/index.html b/system/database/drivers/interbase/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/interbase/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/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php
new file mode 100644
index 000000000..bacb6688c
--- /dev/null
+++ b/system/database/drivers/interbase/interbase_driver.php
@@ -0,0 +1,626 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 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 active record
+ * 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_interbase_driver extends CI_DB {
+
+ public $dbdriver = 'interbase';
+
+ // 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 = '!';
+
+ /**
+ * 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(*) AS ";
+ 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, $this->char_set);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Reconnect
+ *
+ * Keep / reestablish the db connection if no queries have been
+ * sent for a length of time exceeding the server's idle timeout
+ *
+ * @return void
+ */
+ public function reconnect()
+ {
+ // not implemented in Interbase/Firebird
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Select the database
+ *
+ * @return bool
+ */
+ public function db_select()
+ {
+ // Connection selects the database
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Database version number
+ *
+ * @return string
+ */
+ public function version()
+ {
+ if (isset($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)
+ {
+ $sql = $this->_prep_query($sql);
+ return @ibase_query($this->conn_id, $sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Prep the query
+ *
+ * If needed, each database adapter can prep the query string
+ *
+ * @param string an SQL query
+ * @return string
+ */
+ protected function _prep_query($sql)
+ {
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Begin Transaction
+ *
+ * @return bool
+ */
+ public function trans_begin($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)
+ {
+ 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) ? TRUE : FALSE;
+
+ $this->trans = @ibase_trans($this->conn_id);
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Commit Transaction
+ *
+ * @return bool
+ */
+ 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)
+ {
+ return TRUE;
+ }
+
+ return @ibase_commit($this->trans);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rollback Transaction
+ *
+ * @return bool
+ */
+ 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)
+ {
+ 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)
+ {
+ $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 $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Affected Rows
+ *
+ * @return integer
+ */
+ public function affected_rows()
+ {
+ return @ibase_affected_rows($this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @param string $generator_name
+ * @param integer $inc_by
+ * @return integer
+ */
+ public function insert_id($generator_name, $inc_by=0)
+ {
+ //If a generator hasn't been used before it will return 0
+ return ibase_gen_id('"'.$generator_name.'"', $inc_by);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * "Count All" query
+ *
+ * Generates a platform-specific query string that counts all records in
+ * the specified database
+ *
+ * @param string
+ * @return string
+ */
+ public function count_all($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) $row->numrows;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * List table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param boolean
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = <<<SQL
+ SELECT "RDB\$RELATION_NAME" FROM "RDB\$RELATIONS"
+ WHERE "RDB\$RELATION_NAME" NOT LIKE 'RDB$%'
+ AND "RDB\$RELATION_NAME" NOT LIKE 'MON$%'
+SQL;
+
+ if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ {
+ $sql .= ' AND "RDB$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 <<<SQL
+ SELECT "RDB\$FIELD_NAME" FROM "RDB\$RELATION_FIELDS"
+ WHERE "RDB\$RELATION_NAME"='{$table}';
+SQL;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return object
+ */
+ protected function _field_data($table)
+ {
+ // Need to find a more efficient way to do this
+ // but Interbase/Firebird seems to lack the
+ // limit clause
+ return "SELECT * FROM {$table}";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Error
+ *
+ * Returns an array containing code and message of the last
+ * database error that has occured.
+ *
+ * @return array
+ */
+ public function error()
+ {
+ return array('code' => ibase_errcode(), 'message' => ibase_errmsg());
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape the SQL Identifiers
+ *
+ * This public function escapes column and table names
+ *
+ * @param string
+ * @return string
+ */
+ protected function _escape_identifiers($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, $str);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This public function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param type
+ * @return type
+ */
+ protected function _from_tables($tables)
+ {
+ if ( ! is_array($tables))
+ {
+ $tables = array($tables);
+ }
+
+ //Interbase/Firebird doesn't like grouped tables
+ return implode(', ', $tables);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert statement
+ *
+ * Generates a platform-specific insert string from the supplied data
+ *
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _insert($table, $keys, $values)
+ {
+ return "INSERT INTO {$table} (".implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause
+ * @param array the limit clause
+ * @return string
+ */
+ protected function _update($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;
+
+ return $sql;
+ }
+
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ * If the database does not support the truncate() command
+ * This public function maps to "DELETE FROM table"
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return $this->_delete($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param string the limit clause
+ * @return string
+ */
+ 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", $like);
+ }
+
+ //$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+
+ return "DELETE FROM {$table}{$conditions}";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param integer the number of rows to limit the query to
+ * @param integer the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ // Keep the current sql string safe for a moment
+ $orig_sql = $sql;
+
+ // Limit clause depends on if Interbase or Firebird
+ if (stripos($this->version(), 'firebird') !== FALSE)
+ {
+ $sql = 'FIRST '. (int) $limit;
+
+ if ($offset > 0)
+ {
+ $sql .= ' SKIP '. (int) $offset;
+ }
+ }
+ else
+ {
+ $sql = 'ROWS ' . (int) $limit;
+
+ if ($offset > 0)
+ {
+ $sql = 'ROWS '. (int) $offset . ' TO ' . ($limit + $offset);
+ }
+ }
+
+ return preg_replace('`SELECT`i', "SELECT {$sql}", $orig_sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Close DB Connection
+ *
+ * @param resource
+ * @return void
+ */
+ protected function _close($conn_id)
+ {
+ @ibase_close($conn_id);
+ }
+
+}
+
+/* End of file interbase_driver.php */
+/* Location: ./system/database/drivers/interbase/interbase_driver.php */
diff --git a/system/database/drivers/interbase/interbase_forge.php b/system/database/drivers/interbase/interbase_forge.php
new file mode 100644
index 000000000..023d278ce
--- /dev/null
+++ b/system/database/drivers/interbase/interbase_forge.php
@@ -0,0 +1,243 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Interbase/Firebird Forge Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_interbase_forge extends CI_DB_forge {
+
+ /**
+ * Create database
+ *
+ * @param string the database name
+ * @return string
+ */
+ protected function _create_database($filename='')
+ {
+ // Firebird databases are flat files, so a path is required
+ // Hostname is needed for remote access
+ return 'CREATE DATABASE "'.$this->hostname.':'.$filename.'"';
+
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop database
+ *
+ * @param string the database name - not used in this driver
+ * - the current db is dropped
+ * @return bool
+ */
+ protected function _drop_database($name='')
+ {
+ return ibase_drop_db($this->conn_id);
+ }
+ // --------------------------------------------------------------------
+
+ /**
+ * Create Table
+ *
+ * @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 string
+ */
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ $sql .= $this->db->protect_identifiers($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->protect_identifiers($field);
+
+ $sql .= ' '.$attributes['TYPE'];
+
+ if (array_key_exists('CONSTRAINT', $attributes))
+ {
+ $sql .= '('.$attributes['CONSTRAINT'].')';
+ }
+
+ if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ {
+ $sql .= ' UNSIGNED';
+ }
+
+ if (array_key_exists('DEFAULT', $attributes))
+ {
+ $sql .= ' DEFAULT \''.$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)
+ {
+ $sql .= ' AUTO_INCREMENT';
+ }
+ }
+
+ // don't add a comma on the end of the last field
+ if (++$current_field_count < count($fields))
+ {
+ $sql .= ',';
+ }
+ }
+
+ if (count($primary_keys) > 0)
+ {
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
+ $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ }
+
+ if (is_array($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));
+ }
+
+ $sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")";
+ }
+ }
+
+ $sql .= "\n)";
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop Table
+ *
+ * @return string
+ */
+ protected function _drop_table($table)
+ {
+ return 'DROP TABLE '.$name;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Alter table query
+ *
+ * Generates a platform-specific query so that a table can be altered
+ * Called by add_column(), drop_column(), and column_alter(),
+ *
+ * @param string the ALTER type (ADD, DROP, CHANGE)
+ * @param string the column name
+ * @param string the table name
+ * @param string the column definition
+ * @param string the default value
+ * @param boolean should 'NOT NULL' be added
+ * @param string the field after which we should add the new field
+ * @return string
+ */
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ {
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table)." $alter_type ".$this->db->protect_identifiers($column_name);
+
+ $sql .= " {$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 $sql;
+
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rename a table
+ *
+ * Generates a platform-specific query so that a table can be renamed
+ *
+ * @param string the old table name
+ * @param string the new table name
+ * @return string
+ */
+ protected function _rename_table($table_name, $new_table_name)
+ {
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
+ }
+}
+
+/* End of file interbase_forge.php */
+/* Location: ./system/database/drivers/interbase/interbase_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/interbase/interbase_result.php b/system/database/drivers/interbase/interbase_result.php
new file mode 100644
index 000000000..4b15eee20
--- /dev/null
+++ b/system/database/drivers/interbase/interbase_result.php
@@ -0,0 +1,294 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 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 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/
+ */
+class CI_DB_interbase_result extends CI_DB_result {
+
+ public $num_rows;
+
+ /**
+ * Number of rows in the result set
+ *
+ * @return integer
+ */
+ public function num_rows()
+ {
+ if( ! is_null($this->num_rows))
+ {
+ return $this->num_rows;
+ }
+
+ //Get the results so that you can get an accurate rowcount
+ $this->result();
+
+ return $this->num_rows;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Number of fields in the result set
+ *
+ * @return integer
+ */
+ public function num_fields()
+ {
+ return @ibase_num_fields($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, $num_fields = $this->num_fields(); $i < $num_fields; $i++)
+ {
+ $info = ibase_field_info($this->result_id, $i);
+
+ $F = new stdClass();
+ $F->name = $info['name'];
+ $F->type = $info['type'];
+ $F->max_length = $info['length'];
+ $F->primary_key = 0;
+ $F->default = '';
+
+ $retval[] = $F;
+ }
+
+ return $retval;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Free the result
+ *
+ * @return null
+ */
+ public function free_result()
+ {
+ @ibase_free_result($this->result_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
+ *
+ * @return array
+ */
+ protected function _data_seek($n = 0)
+ {
+ //Set the row count to 0
+ $this->num_rows = 0;
+
+ //Interbase driver doesn't implement a suitable function
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - associative array
+ *
+ * Returns the result set as an array
+ *
+ * @return array
+ */
+ protected function _fetch_assoc()
+ {
+ if (($row = @ibase_fetch_assoc($this->result_id, IBASE_FETCH_BLOBS)) !== FALSE)
+ {
+ //Increment row count
+ $this->num_rows++;
+ }
+
+ return $row;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - object
+ *
+ * Returns the result set as an object
+ *
+ * @return object
+ */
+ protected function _fetch_object()
+ {
+ if (($row = @ibase_fetch_object($this->result_id, IBASE_FETCH_BLOBS)) !== FALSE)
+ {
+ //Increment row count
+ $this->num_rows++;
+ }
+
+ return $row;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. "object" version.
+ *
+ * @return object
+ */
+ public function result_object()
+ {
+ if (count($this->result_object) > 0)
+ {
+ return $this->result_object;
+ }
+
+ // Convert result array to object so that
+ // We don't have to get the result again
+ if (count($this->result_array) > 0)
+ {
+ $i = 0;
+
+ foreach ($this->result_array as $array)
+ {
+ $this->result_object[$i] = new StdClass();
+
+ foreach ($array as $key => $val)
+ {
+ $this->result_object[$i]->{$key} = $val;
+ }
+
+ ++$i;
+ }
+
+ return $this->result_object;
+ }
+
+ // In the event that query caching is on the result_id variable
+ // will return FALSE since there isn't a valid SQL resource so
+ // we'll simply return an empty array.
+ if ($this->result_id === FALSE)
+ {
+ return array();
+ }
+
+ $this->num_rows = 0;
+ while ($row = $this->_fetch_object())
+ {
+ $this->result_object[] = $row;
+ }
+
+ return $this->result_object;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. "array" version.
+ *
+ * @return array
+ */
+ public function result_array()
+ {
+ if (count($this->result_array) > 0)
+ {
+ return $this->result_array;
+ }
+
+ // Since the object and array are really similar, just case
+ // the result object to an array if need be
+ if (count($this->result_object) > 0)
+ {
+ foreach ($this->result_object as $obj)
+ {
+ $this->result_array[] = (array) $obj;
+ }
+
+ return $this->result_array;
+ }
+
+ // In the event that query caching is on the result_id variable
+ // will return FALSE since there isn't a valid SQL resource so
+ // we'll simply return an empty array.
+ if ($this->result_id === FALSE)
+ {
+ return array();
+ }
+
+ $this->num_rows = 0;
+ while ($row = $this->_fetch_assoc())
+ {
+ $this->result_array[] = $row;
+ }
+
+ return $this->result_array;
+ }
+
+}
+
+/* End of file interbase_result.php */
+/* Location: ./system/database/drivers/interbase/interbase_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/interbase/interbase_utility.php b/system/database/drivers/interbase/interbase_utility.php
new file mode 100644
index 000000000..76a0497c1
--- /dev/null
+++ b/system/database/drivers/interbase/interbase_utility.php
@@ -0,0 +1,115 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 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_interbase_utility extends CI_DB_utility {
+
+ /**
+ * List databases
+ *
+ * I don't believe you can do a database listing with Firebird
+ * since each database is its own file. I suppose we could
+ * try reading a directory looking for Firebird files, but
+ * that doesn't seem like a terribly good idea
+ *
+ * @return bool
+ */
+ public function _list_databases()
+ {
+ if ($this->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Optimize table query
+ *
+ * Is optimization even supported in Interbase/Firebird?
+ *
+ * @param string the table name
+ * @return object
+ */
+ public function _optimize_table($table)
+ {
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Repair table query
+ *
+ * Table repairs are not supported in Interbase/Firebird
+ *
+ * @param string the table name
+ * @return object
+ */
+ public function _repair_table($table)
+ {
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Interbase/Firebird Export
+ *
+ * @param string $filename
+ * @return mixed
+ */
+ public function backup($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 $res;
+ }
+ else
+ {
+ return FALSE;
+ }
+ }
+}
+
+/* End of file interbase_utility.php */
+/* Location: ./system/database/drivers/interbase/interbase_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 52d5db653..563210c90 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -138,22 +138,6 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Execute the query
*
* @access private called by the base class
@@ -355,12 +339,11 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Version number query string
*
- * @access public
- * @return string
+ * @return string
*/
- function _version()
+ protected function _version()
{
- return "SELECT @@VERSION AS ver";
+ return 'SELECT @@VERSION AS ver';
}
// --------------------------------------------------------------------
@@ -382,8 +365,7 @@ class CI_DB_mssql_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
+ $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;
@@ -454,28 +436,18 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * The error message string
+ * Error
*
- * @access private
- * @return string
- */
- function _error_message()
- {
- return mssql_get_last_message();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @return integer
+ * @return array
*/
- function _error_number()
+ public function error()
{
- // Are error numbers supported?
- return '';
+ $query = $this->query('SELECT @@ERROR AS code');
+ $query = $query->row();
+ return array('code' => $query->code, 'message' => mssql_get_last_message());
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php
index dd8aa3448..ec97805ac 100644
--- a/system/database/drivers/mssql/mssql_forge.php
+++ b/system/database/drivers/mssql/mssql_forge.php
@@ -113,7 +113,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -156,7 +156,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -166,11 +166,11 @@ class CI_DB_mssql_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
@@ -202,7 +202,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
*/
function _alter_table($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->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -228,7 +228,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
@@ -250,11 +250,10 @@ class CI_DB_mssql_forge extends CI_DB_forge {
function _rename_table($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 $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
}
/* End of file mssql_forge.php */
-/* Location: ./system/database/drivers/mssql/mssql_forge.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/mssql/mssql_forge.php */
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 3bd7e2313..21fb17179 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -147,7 +147,7 @@ class CI_DB_mysql_driver extends CI_DB {
* @param string
* @return bool
*/
- public function db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset, $collation)
{
return function_exists('mysql_set_charset')
? @mysql_set_charset($charset, $this->conn_id)
@@ -157,13 +157,15 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
* @return string
*/
- protected function _version()
+ public function version()
{
- return 'SELECT version() AS ver';
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
@@ -402,40 +404,50 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Field data query
- *
- * Generates a platform-specific query so that the column data can be retrieved
+ * Returns an object with field data
*
* @param string the table name
- * @return string
+ * @return object
*/
- public function _field_data($table)
+ public function field_data($table = '')
{
- return 'DESCRIBE '.$table;
- }
+ if ($table == '')
+ {
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
+ }
- // --------------------------------------------------------------------
+ $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $query->result_object();
- /**
- * The error message string
- *
- * @return string
- */
- protected function _error_message()
- {
- return mysql_error($this->conn_id);
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
+ {
+ 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');
+ }
+
+ return $retval;
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Error
*
- * @return int
+ * Returns an array containing code and message of the last
+ * database error that has occured.
+ *
+ * @return array
*/
- protected function _error_number()
+ public function error()
{
- return mysql_errno($this->conn_id);
+ return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id));
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php
index 0f251b086..a907b20fa 100644
--- a/system/database/drivers/mysql/mysql_forge.php
+++ b/system/database/drivers/mysql/mysql_forge.php
@@ -151,7 +151,7 @@ class CI_DB_mysql_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
+ $key_name = $this->db->protect_identifiers(implode('_', $primary_keys));
$sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')';
}
@@ -161,12 +161,12 @@ 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->protect_identifiers(implode('_', $key));
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key_name = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers($key);
$key = array($key_name);
}
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 8f04a936d..5a65d9c72 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -90,18 +90,14 @@ class CI_DB_mysql_result extends CI_DB_result {
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]+)(\(\d+\))?/', $field->Type, $matches);
-
- $F = new stdClass();
- $F->name = $field->Field;
- $F->type = ( ! empty($matches[1])) ? $matches[1] : NULL;
- $F->default = $field->Default;
- $F->max_length = ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
- $F->primary_key = (int) ($field->Key === 'PRI');
-
- $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 $retval;
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index ff3a70b04..677da1389 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -157,13 +157,15 @@ class CI_DB_mysqli_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
* @return string
*/
- protected function _version()
+ public function version()
{
- return @mysqli_get_server_info($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = @mysqli_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
@@ -351,7 +353,7 @@ class CI_DB_mysqli_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string.$this->_protect_identifiers('numrows').' FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE));
+ $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;
@@ -397,46 +399,56 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
protected function _list_columns($table = '')
{
- return 'SHOW COLUMNS FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
- * Field data query
- *
- * Generates a platform-specific query so that the column data can be retrieved
+ * Returns an object with field data
*
* @param string the table name
- * @return string
+ * @return object
*/
- protected function _field_data($table)
+ public function field_data($table = '')
{
- return 'DESCRIBE '.$table;
- }
+ if ($table == '')
+ {
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
+ }
- // --------------------------------------------------------------------
+ $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $query->result_object();
- /**
- * The error message string
- *
- * @return string
- */
- protected function _error_message()
- {
- return mysqli_error($this->conn_id);
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
+ {
+ 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');
+ }
+
+ return $retval;
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Error
*
- * @return int
+ * Returns an array containing code and message of the last
+ * database error that has occured.
+ *
+ * @return array
*/
- protected function _error_number()
+ public function error()
{
- return mysqli_errno($this->conn_id);
+ return array('code' => mysqli_errno($this->conn_id), 'message' => mysqli_error($this->conn_id));
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php
index 7de036127..744525f02 100644
--- a/system/database/drivers/mysqli/mysqli_forge.php
+++ b/system/database/drivers/mysqli/mysqli_forge.php
@@ -183,7 +183,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
*/
public function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table).' '.$alter_type.' ';
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
if ($alter_type === 'DROP')
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index 0a50cccac..8b909cc56 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -90,18 +90,15 @@ class CI_DB_mysqli_result extends CI_DB_result {
public function field_data()
{
$retval = array();
- while ($field = mysqli_fetch_object($this->result_id))
+ $field_data = mysqli_fetch_fields($this->result_id);
+ for ($i = 0, $c = count($field_data); $i < $c; $i++)
{
- preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
-
- $F = new stdClass();
- $F->name = $field->Field;
- $F->type = ( ! empty($matches[1])) ? $matches[1] : NULL;
- $F->default = $field->Default;
- $F->max_length = ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
- $F->primary_key = (int) ($field->Key === 'PRI');
-
- $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 $retval;
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 5fbc0a0a0..81eff70c8 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -139,30 +139,15 @@ class CI_DB_oci8_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Database version number
*
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- public function db_set_charset($charset, $collation)
- {
- // this is done upon connect
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @access protected
- * @return string
+ * @return string
*/
- protected function _version()
+ public function version()
{
- return oci_server_version($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = oci_server_version($this->conn_id);
}
// --------------------------------------------------------------------
@@ -398,10 +383,9 @@ 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
*/
public function escape_str($str, $like = FALSE)
{
@@ -415,15 +399,14 @@ 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;
@@ -475,8 +458,7 @@ class CI_DB_oci8_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query == FALSE)
{
return 0;
@@ -545,31 +527,32 @@ class CI_DB_oci8_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * The error message string
+ * Error
*
- * @access protected
- * @return string
- */
- protected function _error_message()
- {
- // If the error was during connection, no conn_id should be passed
- $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
- return $error['message'];
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access protected
- * @return integer
+ * @return array
*/
- protected function _error_number()
+ public function error()
{
- // Same as _error_message()
- $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
- return $error['code'];
+ /* oci_error() returns an array that already contains the
+ * 'code' and 'message' keys, so we can just return it.
+ */
+ if (is_resource($this->curs_id))
+ {
+ return oci_error($this->curs_id);
+ }
+ elseif (is_resource($this->stmt_id))
+ {
+ return oci_error($this->stmt_id);
+ }
+ elseif (is_resource($this->conn_id))
+ {
+ return oci_error($this->conn_id);
+ }
+
+ return oci_error();
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php
index b4a24cdca..48f98d022 100644
--- a/system/database/drivers/oci8/oci8_forge.php
+++ b/system/database/drivers/oci8/oci8_forge.php
@@ -67,15 +67,14 @@ class CI_DB_oci8_forge extends CI_DB_forge {
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -84,54 +83,27 @@ 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);
-
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
- {
- $sql .= ' UNSIGNED';
- }
-
- if (array_key_exists('DEFAULT', $attributes))
- {
- $sql .= ' DEFAULT \''.$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 .= ' AUTO_INCREMENT';
- }
+ $sql .= "\n\t".$this->db->protect_identifiers($field).' '.$attributes['TYPE']
+ .((isset($attributes['UNSINGED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
+ .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '')
+ .((isset($attributes['NULL']) && $attributes['NULL'] === TRUE) ? '' : ' NOT NULL')
+ .(isset($attributes['CONSTRAINT']) ? ' CONSTRAINT '.$attributes['CONSTRAINT'] : '');
}
// don't add a comma on the end of the last field
@@ -143,8 +115,8 @@ class CI_DB_oci8_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
+ $sql .= ",\n\tCONSTRAINT ".$table.' PRIMARY KEY ('.implode(', ', $primary_keys).')';
}
if (is_array($keys) && count($keys) > 0)
@@ -153,20 +125,18 @@ class CI_DB_oci8_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
- $sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tUNIQUE COLUMNS (".implode(', ', $key).")";
}
}
- $sql .= "\n)";
-
- return $sql;
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -202,7 +172,7 @@ class CI_DB_oci8_forge extends CI_DB_forge {
*/
function _alter_table($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->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -228,7 +198,7 @@ class CI_DB_oci8_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
@@ -249,12 +219,10 @@ class CI_DB_oci8_forge extends CI_DB_forge {
*/
function _rename_table($table_name, $new_table_name)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
-
}
/* End of file oci8_forge.php */
-/* Location: ./system/database/drivers/oci8/oci8_forge.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/oci8/oci8_forge.php */
diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 0f69fa9ef..383b9f1a0 100644
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -38,9 +38,18 @@
*/
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 $limit_used;
+
+ public function __construct(&$driver_object)
+ {
+ parent::__construct($driver_object);
+ $this->stmt_id = $driver_object->stmt_id;
+ $this->curs_id = $driver_object->curs_id;
+ $this->limit_used = $driver_object->limit_used;
+ $driver_object->stmt_id = FALSE;
+ }
/**
* Number of rows in the result set.
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 695d0080a..a616c9df1 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -124,35 +124,6 @@ class CI_DB_odbc_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
- {
- return "SELECT version() AS ver";
- }
-
- // --------------------------------------------------------------------
-
- /**
* Execute the query
*
* @access private called by the base class
@@ -316,12 +287,11 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return bool
*/
- function insert_id()
+ public function insert_id()
{
- return @odbc_insert_id($this->conn_id);
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
}
// --------------------------------------------------------------------
@@ -343,7 +313,7 @@ class CI_DB_odbc_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $this->query($this->_count_string . $this->protect_identifiers('numrows') . " FROM " . $this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
@@ -414,27 +384,16 @@ class CI_DB_odbc_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * The error message string
+ * Error
*
- * @access private
- * @return string
- */
- function _error_message()
- {
- return odbc_errormsg($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @return integer
+ * @return array
*/
- function _error_number()
+ public function error()
{
- return odbc_error($this->conn_id);
+ return array('code' => odbc_error($this->conn_id), 'message' => odbc_errormsg($this->conn_id));
}
// --------------------------------------------------------------------
@@ -646,4 +605,4 @@ class CI_DB_odbc_driver extends CI_DB {
/* End of file odbc_driver.php */
-/* Location: ./system/database/drivers/odbc/odbc_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/odbc/odbc_driver.php */
diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php
index e0ec687c8..51addf03d 100644
--- a/system/database/drivers/odbc/odbc_forge.php
+++ b/system/database/drivers/odbc/odbc_forge.php
@@ -112,7 +112,7 @@ class CI_DB_odbc_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -155,7 +155,7 @@ class CI_DB_odbc_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -165,11 +165,11 @@ class CI_DB_odbc_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
@@ -219,7 +219,7 @@ class CI_DB_odbc_forge extends CI_DB_forge {
*/
function _alter_table($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->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -245,7 +245,7 @@ class CI_DB_odbc_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
@@ -267,12 +267,10 @@ class CI_DB_odbc_forge extends CI_DB_forge {
*/
function _rename_table($table_name, $new_table_name)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
-
}
/* End of file odbc_forge.php */
-/* Location: ./system/database/drivers/odbc/odbc_forge.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/odbc/odbc_forge.php */
diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php
index ba660856e..de2c58cb9 100644
--- a/system/database/drivers/odbc/odbc_result.php
+++ b/system/database/drivers/odbc/odbc_result.php
@@ -38,15 +38,27 @@
*/
class CI_DB_odbc_result extends CI_DB_result {
+ public $num_rows;
+
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @odbc_num_rows($this->result_id);
+ if (is_int($this->num_rows))
+ {
+ return $this->num_rows;
+ }
+
+ // Work-around for ODBC subdrivers that don't support num_rows()
+ if (($this->num_rows = @odbc_num_rows($this->result_id)) === -1)
+ {
+ $this->num_rows = count($this->result_array());
+ }
+
+ return $this->num_rows;
}
// --------------------------------------------------------------------
@@ -54,10 +66,9 @@ class CI_DB_odbc_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @odbc_num_fields($this->result_id);
}
@@ -69,15 +80,19 @@ 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;
@@ -90,22 +105,19 @@ 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;
@@ -233,8 +245,77 @@ class CI_DB_odbc_result extends CI_DB_result {
return $rs_assoc;
}
-}
+ // --------------------------------------------------------------------
+ /**
+ * Query result. Array version.
+ *
+ * @return array
+ */
+ public function result_array()
+ {
+ if (count($this->result_array) > 0)
+ {
+ return $this->result_array;
+ }
+ elseif (($c = count($this->result_object)) > 0)
+ {
+ for ($i = 0; $i < $c; $i++)
+ {
+ $this->result_array[$i] = (array) $this->result_object[$i];
+ }
+ }
+ elseif ($this->result_id === FALSE)
+ {
+ return array();
+ }
+ else
+ {
+ while ($row = $this->_fetch_assoc())
+ {
+ $this->result_array[] = $row;
+ }
+ }
+
+ return $this->result_array;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. Object version.
+ *
+ * @return array
+ */
+ public function result_object()
+ {
+ if (count($this->result_object) > 0)
+ {
+ return $this->result_object;
+ }
+ elseif (($c = count($this->result_array)) > 0)
+ {
+ for ($i = 0; $i < $c; $i++)
+ {
+ $this->result_object[$i] = (object) $this->result_array[$i];
+ }
+ }
+ elseif ($this->result_id === FALSE)
+ {
+ return array();
+ }
+ else
+ {
+ while ($row = $this->_fetch_object())
+ {
+ $this->result_object[] = $row;
+ }
+ }
+
+ return $this->result_object;
+ }
+
+}
/* End of file odbc_result.php */
-/* Location: ./system/database/drivers/odbc/odbc_result.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/odbc/odbc_result.php */
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index 77d9adf78..83a9c31ca 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -59,8 +59,7 @@ class CI_DB_pdo_driver extends CI_DB {
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword;
- // need to track the pdo DSN, driver and options
- var $dsn;
+ // need to track the pdo driver and options
var $pdodriver;
var $options = array();
@@ -289,29 +288,15 @@ class CI_DB_pdo_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Database version number
*
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION);
}
// --------------------------------------------------------------------
@@ -510,33 +495,19 @@ class CI_DB_pdo_driver extends CI_DB {
/**
* Insert ID
- *
- * @access public
- * @return integer
+ *
+ * @return int
*/
- function insert_id($name=NULL)
+ public function insert_id($name = NULL)
{
- if ($this->pdodriver == 'pgsql')
+ if ($this->pdodriver === 'pgsql' && $name === NULL && $this->version() >= '8.1')
{
- //Convenience method for postgres insertid
- $v = $this->_version();
-
- $table = func_num_args() > 0 ? func_get_arg(0) : NULL;
-
- if ($table == NULL && $v >= '8.1')
- {
- $sql='SELECT LASTVAL() as ins_id';
- }
-
- $query = $this->query($sql);
- $row = $query->row();
-
- return $row->ins_id;
- }
- else
- {
- return $this->conn_id->lastInsertId($name);
+ $query = $this->query('SELECT LASTVAL() AS ins_id');
+ $query = $query->row();
+ return $query->ins_id;
}
+
+ return $this->conn_id->lastInsertId($name);
}
// --------------------------------------------------------------------
@@ -558,8 +529,7 @@ class CI_DB_pdo_driver extends CI_DB {
return 0;
}
- $sql = $this->_count_string.$this->_protect_identifiers('numrows').' FROM ';
- $sql .= $this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ $sql = $this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
$query = $this->query($sql);
if ($query->num_rows() == 0)
@@ -639,29 +609,30 @@ class CI_DB_pdo_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * 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()
{
- $error_array = $this->conn_id->errorInfo();
+ $error = array('code' => '00000', 'message' => '');
+ $pdo_error = $this->conn_id->errorInfo();
- return $error_array[2];
- }
+ if (empty($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];
+ }
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return $this->conn_id->errorCode();
+ return $error;
}
// --------------------------------------------------------------------
@@ -950,4 +921,4 @@ class CI_DB_pdo_driver extends CI_DB {
}
/* End of file pdo_driver.php */
-/* Location: ./system/database/drivers/pdo/pdo_driver.php */ \ No newline at end of file
+/* 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
index 478b2dbfb..b4ddca5fe 100644
--- a/system/database/drivers/pdo/pdo_forge.php
+++ b/system/database/drivers/pdo/pdo_forge.php
@@ -113,7 +113,7 @@ class CI_DB_pdo_forge extends CI_DB_forge {
$attributes = array_change_key_case($attributes, CASE_UPPER);
$numeric = array('SERIAL', 'INTEGER');
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -160,7 +160,7 @@ class CI_DB_pdo_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -170,11 +170,11 @@ class CI_DB_pdo_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
@@ -224,7 +224,7 @@ class CI_DB_pdo_forge extends CI_DB_forge {
*/
function _alter_table($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->protect_identifiers($table).'` '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -250,7 +250,7 @@ class CI_DB_pdo_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
@@ -272,11 +272,10 @@ class CI_DB_pdo_forge extends CI_DB_forge {
*/
function _rename_table($table_name, $new_table_name)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
}
/* End of file pdo_forge.php */
-/* Location: ./system/database/drivers/pdo/pdo_forge.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/pdo/pdo_forge.php */
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 3a172bc9e..9f21e9b5c 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -149,28 +149,41 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Set client character set
*
- * @access public
- * @param string
- * @param string
- * @return resource
+ * @param string
+ * @return bool
*/
- function db_set_charset($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'] = $pg_version['server']
+ : parent::version();
}
// --------------------------------------------------------------------
@@ -209,18 +222,12 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($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;
}
@@ -228,9 +235,9 @@ 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($this->conn_id, "begin");
+ return @pg_query($this->conn_id, 'BEGIN');
}
// --------------------------------------------------------------------
@@ -238,23 +245,17 @@ 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 @pg_query($this->conn_id, 'COMMIT');
}
// --------------------------------------------------------------------
@@ -262,23 +263,17 @@ 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 @pg_query($this->conn_id, 'ROLLBACK');
}
// --------------------------------------------------------------------
@@ -339,8 +334,7 @@ class CI_DB_postgre_driver extends CI_DB {
*/
function insert_id()
{
- $v = $this->_version();
- $v = $v['server'];
+ $v = $this->version();
$table = func_num_args() > 0 ? func_get_arg(0) : NULL;
$column = func_num_args() > 1 ? func_get_arg(1) : NULL;
@@ -389,8 +383,7 @@ class CI_DB_postgre_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
+ $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;
@@ -459,27 +452,16 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * The error message string
+ * Error
*
- * @access private
- * @return string
- */
- function _error_message()
- {
- return pg_last_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @return integer
+ * @return array
*/
- function _error_number()
+ public function error()
{
- return '';
+ return array('code' => '', 'message' => pg_last_error($this->conn_id));
}
// --------------------------------------------------------------------
@@ -604,16 +586,10 @@ class CI_DB_postgre_driver extends CI_DB {
$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;
}
@@ -664,9 +640,7 @@ class CI_DB_postgre_driver extends CI_DB {
$conditions .= implode("\n", $like);
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return "DELETE FROM ".$table.$conditions;
}
// --------------------------------------------------------------------
@@ -712,4 +686,4 @@ class CI_DB_postgre_driver extends CI_DB {
/* End of file postgre_driver.php */
-/* Location: ./system/database/drivers/postgre/postgre_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/postgre/postgre_driver.php */
diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php
index 756fd347a..4a7348aa6 100644
--- a/system/database/drivers/postgre/postgre_forge.php
+++ b/system/database/drivers/postgre/postgre_forge.php
@@ -88,7 +88,7 @@ class CI_DB_postgre_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$is_unsigned = (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE);
@@ -203,10 +203,10 @@ class CI_DB_postgre_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- // Something seems to break when passing an array to _protect_identifiers()
+ // 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);
+ $primary_keys[$index] = $this->db->protect_identifiers($key);
}
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
@@ -220,11 +220,11 @@ class CI_DB_postgre_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
foreach ($key as $field)
@@ -267,19 +267,19 @@ class CI_DB_postgre_forge extends CI_DB_forge {
*/
function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
- return $sql.$this->db->_protect_identifiers($fields);
+ return $sql.$this->db->protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
@@ -299,10 +299,9 @@ class CI_DB_postgre_forge extends CI_DB_forge {
*/
function _rename_table($table_name, $new_table_name)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
}
/* End of file postgre_forge.php */
-/* Location: ./system/database/drivers/postgre/postgre_forge.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/postgre/postgre_forge.php */
diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php
index dffd8c549..c426b363b 100644
--- a/system/database/drivers/postgre/postgre_utility.php
+++ b/system/database/drivers/postgre/postgre_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgre Utility Class
*
@@ -39,12 +37,11 @@ class CI_DB_postgre_utility extends CI_DB_utility {
/**
* List databases
*
- * @access private
- * @return bool
+ * @return string
*/
- function _list_databases()
+ public function _list_databases()
{
- return "SELECT datname FROM pg_database";
+ return 'SELECT datname FROM pg_database';
}
// --------------------------------------------------------------------
@@ -52,15 +49,12 @@ class CI_DB_postgre_utility extends CI_DB_utility {
/**
* Optimize table query
*
- * Is table optimization supported in Postgre?
- *
- * @access private
* @param string the table name
- * @return object
+ * @return string
*/
- function _optimize_table($table)
+ public function _optimize_table($table)
{
- return FALSE;
+ return 'REINDEX TABLE '.$this->db->protect_identifiers($table);
}
// --------------------------------------------------------------------
@@ -68,13 +62,10 @@ class CI_DB_postgre_utility extends CI_DB_utility {
/**
* Repair table query
*
- * Are table repairs supported in Postgre?
- *
- * @access private
* @param string the table name
- * @return object
+ * @return bool
*/
- function _repair_table($table)
+ public function _repair_table($table)
{
return FALSE;
}
@@ -84,7 +75,6 @@ class CI_DB_postgre_utility extends CI_DB_utility {
/**
* Postgre Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
@@ -95,6 +85,5 @@ class CI_DB_postgre_utility extends CI_DB_utility {
}
}
-
/* End of file postgre_utility.php */
-/* Location: ./system/database/drivers/postgre/postgre_utility.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/postgre/postgre_utility.php */
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index 3a7b7c673..69de12ea4 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -141,30 +141,15 @@ class CI_DB_sqlite_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Database version number
*
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($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();
}
// --------------------------------------------------------------------
@@ -358,8 +343,7 @@ class CI_DB_sqlite_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
+ $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;
@@ -428,27 +412,18 @@ class CI_DB_sqlite_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * The error message string
+ * Error
*
- * @access private
- * @return string
- */
- function _error_message()
- {
- return sqlite_error_string(sqlite_last_error($this->conn_id));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @return integer
+ * @return array
*/
- function _error_number()
+ public function error()
{
- return sqlite_last_error($this->conn_id);
+ $error = array('code' => sqlite_last_error($this->conn_id));
+ $error['message'] = sqlite_error_string($error['code']);
+ return $error;
}
// --------------------------------------------------------------------
@@ -667,4 +642,4 @@ class CI_DB_sqlite_driver extends CI_DB {
/* End of file sqlite_driver.php */
-/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */
diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php
index 2b723be0b..4f379d96f 100644
--- a/system/database/drivers/sqlite/sqlite_forge.php
+++ b/system/database/drivers/sqlite/sqlite_forge.php
@@ -89,7 +89,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
$sql = 'CREATE TABLE ';
// IF NOT EXISTS added to SQLite in 3.3.0
- if ($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 ';
}
@@ -110,7 +110,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -153,7 +153,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -163,11 +163,11 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")";
@@ -218,7 +218,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
*/
function _alter_table($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->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -247,7 +247,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
@@ -268,10 +268,10 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
*/
function _rename_table($table_name, $new_table_name)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
+
}
/* End of file sqlite_forge.php */
-/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */
diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php
index f00687e38..8fefcd9e2 100644
--- a/system/database/drivers/sqlite/sqlite_utility.php
+++ b/system/database/drivers/sqlite/sqlite_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLite Utility Class
*
@@ -40,20 +38,15 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
* List databases
*
* I don't believe you can do a database listing with SQLite
- * since each database is its own file. I suppose we could
+ * since each database is its own file. I suppose we could
* try reading a directory looking for SQLite files, but
* that doesn't seem like a terribly good idea
*
- * @access private
* @return bool
*/
- function _list_databases()
+ public function _list_databases()
{
- if ($this->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return array();
+ return ($this->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
}
// --------------------------------------------------------------------
@@ -61,14 +54,12 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
/**
* Optimize table query
*
- * Is optimization even supported in SQLite?
- *
- * @access private
* @param string the table name
- * @return object
+ * @return bool
*/
- function _optimize_table($table)
+ public function _optimize_table($table)
{
+ // Not supported
return FALSE;
}
@@ -77,14 +68,12 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
/**
* Repair table query
*
- * Are table repairs even supported in SQLite?
- *
- * @access private
* @param string the table name
- * @return object
+ * @return bool
*/
- function _repair_table($table)
+ public function _repair_table($table)
{
+ // Not supported
return FALSE;
}
@@ -93,16 +82,16 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
/**
* SQLite Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ public function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
+
}
/* End of file sqlite_utility.php */
-/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index d7095fa3f..6665b50aa 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -144,22 +144,6 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Execute the query
*
* @access private called by the base class
@@ -333,15 +317,23 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
+ * Database version number
+ *
+ * @return string
+ */
+ public function version()
{
- $info = sqlsrv_server_info($this->conn_id);
- return sprintf("select '%s' as ver", $info['SQLServerVersion']);
+ if (isset($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'];
}
// --------------------------------------------------------------------
@@ -422,29 +414,39 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * 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()
{
- $error = array_shift(sqlsrv_errors());
- return !empty($error['message']) ? $error['message'] : null;
- }
+ $error = array('code' => '00000', 'message' => '');
+ $sqlsrv_errors = sqlsrv_errors(SQLSRV_ERR_ERRORS);
- // --------------------------------------------------------------------
+ if ( ! is_array($sqlsrv_errors))
+ {
+ return $error;
+ }
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
- {
- $error = array_shift(sqlsrv_errors());
- return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null;
+ $sqlsrv_error = array_shift($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'] = $sqlsrv_error['code'];
+ }
+
+ if (isset($sqlsrv_error['message']))
+ {
+ $error['message'] = $sqlsrv_error['message'];
+ }
+
+ return $error;
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php
index 2a7766927..152192241 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_forge.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php
@@ -113,7 +113,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -156,7 +156,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -166,11 +166,11 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
@@ -202,7 +202,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
*/
function _alter_table($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->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -228,7 +228,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
@@ -250,11 +250,10 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
function _rename_table($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 $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
}
-/* 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 */