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authorFlorian Pritz <bluewind@xinu.at>2011-11-28 22:13:04 +0100
committerFlorian Pritz <bluewind@xinu.at>2011-11-28 22:13:04 +0100
commitdae09a1d516617e3a054cb9838d7761749d397f1 (patch)
tree4ceed076562bf369b2471d20a56c4c98cf9947ca /system/database/drivers
parenta9236d031c56814eb8a024626d2c5280557ca41d (diff)
parent0199f68db46d375af2d4cb831c679d3040601f25 (diff)
Merge commit 'v2.1.0'
Conflicts: user_guide/changelog.html user_guide/database/active_record.html user_guide/database/caching.html user_guide/database/call_function.html user_guide/database/configuration.html user_guide/database/connecting.html user_guide/database/examples.html user_guide/database/fields.html user_guide/database/forge.html user_guide/database/helpers.html user_guide/database/index.html user_guide/database/queries.html user_guide/database/results.html user_guide/database/table_data.html user_guide/database/transactions.html user_guide/database/utilities.html user_guide/doc_style/index.html user_guide/general/alternative_php.html user_guide/general/ancillary_classes.html user_guide/general/autoloader.html user_guide/general/caching.html user_guide/general/cli.html user_guide/general/common_functions.html user_guide/general/controllers.html user_guide/general/core_classes.html user_guide/general/creating_drivers.html user_guide/general/creating_libraries.html user_guide/general/credits.html user_guide/general/drivers.html user_guide/general/environments.html user_guide/general/errors.html user_guide/general/helpers.html user_guide/general/hooks.html user_guide/general/libraries.html user_guide/general/managing_apps.html user_guide/general/models.html user_guide/general/profiling.html user_guide/general/quick_reference.html user_guide/general/requirements.html user_guide/general/reserved_names.html user_guide/general/routing.html user_guide/general/security.html user_guide/general/styleguide.html user_guide/general/urls.html user_guide/general/views.html user_guide/helpers/array_helper.html user_guide/helpers/captcha_helper.html user_guide/helpers/cookie_helper.html user_guide/helpers/date_helper.html user_guide/helpers/directory_helper.html user_guide/helpers/download_helper.html user_guide/helpers/email_helper.html user_guide/helpers/file_helper.html user_guide/helpers/form_helper.html user_guide/helpers/html_helper.html user_guide/helpers/inflector_helper.html user_guide/helpers/language_helper.html user_guide/helpers/number_helper.html user_guide/helpers/path_helper.html user_guide/helpers/security_helper.html user_guide/helpers/smiley_helper.html user_guide/helpers/string_helper.html user_guide/helpers/text_helper.html user_guide/helpers/typography_helper.html user_guide/helpers/url_helper.html user_guide/helpers/xml_helper.html user_guide/images/appflowchart.gif user_guide/index.html user_guide/installation/downloads.html user_guide/installation/index.html user_guide/installation/troubleshooting.html user_guide/installation/upgrade_120.html user_guide/installation/upgrade_130.html user_guide/installation/upgrade_131.html user_guide/installation/upgrade_132.html user_guide/installation/upgrade_133.html user_guide/installation/upgrade_140.html user_guide/installation/upgrade_141.html user_guide/installation/upgrade_150.html user_guide/installation/upgrade_152.html user_guide/installation/upgrade_153.html user_guide/installation/upgrade_154.html user_guide/installation/upgrade_160.html user_guide/installation/upgrade_161.html user_guide/installation/upgrade_162.html user_guide/installation/upgrade_163.html user_guide/installation/upgrade_170.html user_guide/installation/upgrade_171.html user_guide/installation/upgrade_172.html user_guide/installation/upgrade_200.html user_guide/installation/upgrade_201.html user_guide/installation/upgrade_202.html user_guide/installation/upgrade_203.html user_guide/installation/upgrade_b11.html user_guide/installation/upgrading.html user_guide/libraries/benchmark.html user_guide/libraries/caching.html user_guide/libraries/calendar.html user_guide/libraries/cart.html user_guide/libraries/config.html user_guide/libraries/email.html user_guide/libraries/encryption.html user_guide/libraries/file_uploading.html user_guide/libraries/form_validation.html user_guide/libraries/ftp.html user_guide/libraries/image_lib.html user_guide/libraries/input.html user_guide/libraries/javascript.html user_guide/libraries/language.html user_guide/libraries/loader.html user_guide/libraries/output.html user_guide/libraries/pagination.html user_guide/libraries/parser.html user_guide/libraries/security.html user_guide/libraries/sessions.html user_guide/libraries/table.html user_guide/libraries/trackback.html user_guide/libraries/typography.html user_guide/libraries/unit_testing.html user_guide/libraries/uri.html user_guide/libraries/user_agent.html user_guide/libraries/xmlrpc.html user_guide/libraries/zip.html user_guide/license.html user_guide/nav/nav.js user_guide/overview/appflow.html user_guide/overview/at_a_glance.html user_guide/overview/cheatsheets.html user_guide/overview/features.html user_guide/overview/getting_started.html user_guide/overview/goals.html user_guide/overview/index.html user_guide/overview/mvc.html user_guide/toc.html Signed-off-by: Florian Pritz <bluewind@xinu.at>
Diffstat (limited to 'system/database/drivers')
-rw-r--r--system/database/drivers/cubrid/cubrid_driver.php792
-rw-r--r--system/database/drivers/cubrid/cubrid_forge.php288
-rw-r--r--system/database/drivers/cubrid/cubrid_result.php202
-rw-r--r--system/database/drivers/cubrid/cubrid_utility.php108
-rw-r--r--system/database/drivers/cubrid/index.html10
-rwxr-xr-xsystem/database/drivers/mssql/mssql_driver.php1
-rwxr-xr-xsystem/database/drivers/mysql/mysql_driver.php14
-rwxr-xr-xsystem/database/drivers/mysql/mysql_result.php17
-rwxr-xr-xsystem/database/drivers/mysql/mysql_utility.php2
-rwxr-xr-xsystem/database/drivers/mysqli/mysqli_driver.php33
-rwxr-xr-xsystem/database/drivers/mysqli/mysqli_result.php19
-rwxr-xr-xsystem/database/drivers/oci8/oci8_driver.php161
-rwxr-xr-xsystem/database/drivers/oci8/oci8_result.php98
-rwxr-xr-xsystem/database/drivers/odbc/odbc_driver.php5
-rw-r--r--system/database/drivers/pdo/index.html10
-rw-r--r--system/database/drivers/pdo/pdo_driver.php803
-rw-r--r--system/database/drivers/pdo/pdo_forge.php266
-rw-r--r--system/database/drivers/pdo/pdo_result.php171
-rw-r--r--system/database/drivers/pdo/pdo_utility.php103
-rwxr-xr-xsystem/database/drivers/postgre/postgre_driver.php1
-rwxr-xr-xsystem/database/drivers/sqlite/sqlite_driver.php1
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php1
22 files changed, 2949 insertions, 157 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
new file mode 100644
index 000000000..d01140412
--- /dev/null
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -0,0 +1,792 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @author Esen Sagynov
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 2.0.2
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CUBRID 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 Esen Sagynov
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_cubrid_driver extends CI_DB {
+
+ // Default CUBRID Broker port. Will be used unless user
+ // explicitly specifies another one.
+ const DEFAULT_PORT = 33000;
+
+ var $dbdriver = 'cubrid';
+
+ // The character used for escaping - no need in CUBRID
+ var $_escape_char = '';
+
+ // clause and character used for LIKE escape sequences - not used in CUBRID
+ var $_like_escape_str = '';
+ var $_like_escape_chr = '';
+
+ /**
+ * The syntax to count rows is slightly different across different
+ * database engines, so this string appears in each driver and is
+ * used for the count_all() and count_all_results() functions.
+ */
+ var $_count_string = 'SELECT COUNT(*) AS ';
+ var $_random_keyword = ' RAND()'; // database specific random keyword
+
+ /**
+ * Non-persistent database connection
+ *
+ * @access private called by the base class
+ * @return resource
+ */
+ function db_connect()
+ {
+ // If no port is defined by the user, use the default value
+ if ($this->port == '')
+ {
+ $this->port = self::DEFAULT_PORT;
+ }
+
+ $conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password);
+
+ if ($conn)
+ {
+ // Check if a user wants to run queries in dry, i.e. run the
+ // queries but not commit them.
+ if (isset($this->auto_commit) && ! $this->auto_commit)
+ {
+ cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE);
+ }
+ else
+ {
+ cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE);
+ $this->auto_commit = TRUE;
+ }
+ }
+
+ return $conn;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Persistent database connection
+ * In CUBRID persistent DB connection is supported natively in CUBRID
+ * engine which can be configured in the CUBRID Broker configuration
+ * file by setting the CCI_PCONNECT parameter to ON. In that case, all
+ * connections established between the client application and the
+ * server will become persistent. This is calling the same
+ * @cubrid_connect function will establish persisten connection
+ * considering that the CCI_PCONNECT is ON.
+ *
+ * @access private called by the base class
+ * @return resource
+ */
+ function db_pconnect()
+ {
+ return $this->db_connect();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Reconnect
+ *
+ * Keep / reestablish the db connection if no queries have been
+ * sent for a length of time exceeding the server's idle timeout
+ *
+ * @access public
+ * @return void
+ */
+ function reconnect()
+ {
+ if (cubrid_ping($this->conn_id) === FALSE)
+ {
+ $this->conn_id = FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Select the database
+ *
+ * @access private called by the base class
+ * @return resource
+ */
+ function db_select()
+ {
+ // In CUBRID there is no need to select a database as the database
+ // is chosen at the connection time.
+ // So, to determine if the database is "selected", all we have to
+ // do is ping the server and return that value.
+ return cubrid_ping($this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Set client character set
+ *
+ * @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()
+ {
+ // 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);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Execute the query
+ *
+ * @access private called by the base class
+ * @param string an SQL query
+ * @return resource
+ */
+ function _execute($sql)
+ {
+ $sql = $this->_prep_query($sql);
+ return @cubrid_query($sql, $this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Prep the query
+ *
+ * If needed, each database adapter can prep the query string
+ *
+ * @access private called by execute()
+ * @param string an SQL query
+ * @return string
+ */
+ function _prep_query($sql)
+ {
+ // No need to prepare
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Begin Transaction
+ *
+ * @access public
+ * @return bool
+ */
+ function trans_begin($test_mode = FALSE)
+ {
+ 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;
+
+ if (cubrid_get_autocommit($this->conn_id))
+ {
+ cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_FALSE);
+ }
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Commit Transaction
+ *
+ * @access public
+ * @return bool
+ */
+ 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;
+ }
+
+ cubrid_commit($this->conn_id);
+
+ if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id))
+ {
+ cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);
+ }
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rollback Transaction
+ *
+ * @access public
+ * @return bool
+ */
+ 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;
+ }
+
+ cubrid_rollback($this->conn_id);
+
+ if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id))
+ {
+ cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);
+ }
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape String
+ *
+ * @access public
+ * @param string
+ * @param bool whether or not the string will be used in a LIKE condition
+ * @return string
+ */
+ function escape_str($str, $like = FALSE)
+ {
+ if (is_array($str))
+ {
+ foreach ($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val, $like);
+ }
+
+ return $str;
+ }
+
+ if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id))
+ {
+ $str = cubrid_real_escape_string($str, $this->conn_id);
+ }
+ else
+ {
+ $str = addslashes($str);
+ }
+
+ // escape LIKE condition wildcards
+ if ($like === TRUE)
+ {
+ $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ }
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Affected Rows
+ *
+ * @access public
+ * @return integer
+ */
+ function affected_rows()
+ {
+ return @cubrid_affected_rows($this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @access public
+ * @return integer
+ */
+ function insert_id()
+ {
+ return @cubrid_insert_id($this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * "Count All" query
+ *
+ * Generates a platform-specific query string that counts all records in
+ * the specified table
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+ function count_all($table = '')
+ {
+ if ($table == '')
+ {
+ return 0;
+ }
+
+ $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
+
+ if ($query->num_rows() == 0)
+ {
+ return 0;
+ }
+
+ $row = $query->row();
+ $this->_reset_select();
+ return (int) $row->numrows;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * List table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @access private
+ * @param boolean
+ * @return string
+ */
+ function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = "SHOW TABLES";
+
+ if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ {
+ $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @access public
+ * @param string the table name
+ * @return string
+ */
+ function _list_columns($table = '')
+ {
+ return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @access public
+ * @param string the table name
+ * @return object
+ */
+ function _field_data($table)
+ {
+ return "SELECT * FROM ".$table." LIMIT 1";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * The error message string
+ *
+ * @access private
+ * @return string
+ */
+ function _error_message()
+ {
+ return cubrid_error($this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * The error message number
+ *
+ * @access private
+ * @return integer
+ */
+ function _error_number()
+ {
+ return cubrid_errno($this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape the SQL Identifiers
+ *
+ * This function escapes column and table names
+ *
+ * @access private
+ * @param string
+ * @return string
+ */
+ function _escape_identifiers($item)
+ {
+ if ($this->_escape_char == '')
+ {
+ return $item;
+ }
+
+ foreach ($this->_reserved_identifiers as $id)
+ {
+ if (strpos($item, '.'.$id) !== FALSE)
+ {
+ $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
+
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ }
+ }
+
+ if (strpos($item, '.') !== FALSE)
+ {
+ $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
+ }
+ else
+ {
+ $str = $this->_escape_char.$item.$this->_escape_char;
+ }
+
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @access public
+ * @param type
+ * @return type
+ */
+ function _from_tables($tables)
+ {
+ if ( ! is_array($tables))
+ {
+ $tables = array($tables);
+ }
+
+ return '('.implode(', ', $tables).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert statement
+ *
+ * Generates a platform-specific insert string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ function _insert($table, $keys, $values)
+ {
+ return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
+ }
+
+ // --------------------------------------------------------------------
+
+
+ /**
+ * Replace statement
+ *
+ * Generates a platform-specific replace string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ function _replace($table, $keys, $values)
+ {
+ return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert_batch statement
+ *
+ * Generates a platform-specific insert string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ function _insert_batch($table, $keys, $values)
+ {
+ return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values);
+ }
+
+ // --------------------------------------------------------------------
+
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause
+ * @param array the limit clause
+ * @return string
+ */
+ function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = sprintf('"%s" = %s', $key, $val);
+ }
+
+ $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+
+ $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
+
+ $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
+
+ $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+
+ $sql .= $orderby.$limit;
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+
+ /**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ function _update_batch($table, $values, $index, $where = NULL)
+ {
+ $ids = array();
+ $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
+
+ foreach ($values as $key => $val)
+ {
+ $ids[] = $val[$index];
+
+ foreach (array_keys($val) as $field)
+ {
+ if ($field != $index)
+ {
+ $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
+
+ $sql = "UPDATE ".$table." SET ";
+ $cases = '';
+
+ foreach ($final as $k => $v)
+ {
+ $cases .= $k.' = CASE '."\n";
+ foreach ($v as $row)
+ {
+ $cases .= $row."\n";
+ }
+
+ $cases .= 'ELSE '.$k.' END, ';
+ }
+
+ $sql .= substr($cases, 0, -2);
+
+ $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ * If the database does not support the truncate() command
+ * This function maps to "DELETE FROM table"
+ *
+ * @access public
+ * @param string the table name
+ * @return string
+ */
+ function _truncate($table)
+ {
+ return "TRUNCATE ".$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the where clause
+ * @param string the limit clause
+ * @return string
+ */
+ function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = '';
+
+ if (count($where) > 0 OR count($like) > 0)
+ {
+ $conditions = "\nWHERE ";
+ $conditions .= implode("\n", $this->ar_where);
+
+ if (count($where) > 0 && count($like) > 0)
+ {
+ $conditions .= " AND ";
+ }
+ $conditions .= implode("\n", $like);
+ }
+
+ $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+
+ return "DELETE FROM ".$table.$conditions.$limit;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @access public
+ * @param string the sql query string
+ * @param integer the number of rows to limit the query to
+ * @param integer the offset value
+ * @return string
+ */
+ function _limit($sql, $limit, $offset)
+ {
+ if ($offset == 0)
+ {
+ $offset = '';
+ }
+ else
+ {
+ $offset .= ", ";
+ }
+
+ return $sql."LIMIT ".$offset.$limit;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Close DB Connection
+ *
+ * @access public
+ * @param resource
+ * @return void
+ */
+ function _close($conn_id)
+ {
+ @cubrid_close($conn_id);
+ }
+
+}
+
+
+/* End of file cubrid_driver.php */
+/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php
new file mode 100644
index 000000000..bab03f748
--- /dev/null
+++ b/system/database/drivers/cubrid/cubrid_forge.php
@@ -0,0 +1,288 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @author Esen Sagynov
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CUBRID Forge Class
+ *
+ * @category Database
+ * @author Esen Sagynov
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_cubrid_forge extends CI_DB_forge {
+
+ /**
+ * Create database
+ *
+ * @access private
+ * @param string the database name
+ * @return bool
+ */
+ function _create_database($name)
+ {
+ // CUBRID does not allow to create a database in SQL. The GUI tools
+ // have to be used for this purpose.
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop database
+ *
+ * @access private
+ * @param string the database name
+ * @return bool
+ */
+ function _drop_database($name)
+ {
+ // CUBRID does not allow to drop a database in SQL. The GUI tools
+ // have to be used for this purpose.
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Process Fields
+ *
+ * @access private
+ * @param mixed the fields
+ * @return string
+ */
+ function _process_fields($fields)
+ {
+ $current_field_count = 0;
+ $sql = '';
+
+ foreach ($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) . "\"";
+
+ if (array_key_exists('NAME', $attributes))
+ {
+ $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
+ }
+
+ if (array_key_exists('TYPE', $attributes))
+ {
+ $sql .= ' '.$attributes['TYPE'];
+
+ if (array_key_exists('CONSTRAINT', $attributes))
+ {
+ switch ($attributes['TYPE'])
+ {
+ case 'decimal':
+ case 'float':
+ case 'numeric':
+ $sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
+ break;
+ case 'enum': // As of version 8.4.0 CUBRID does not support
+ // enum data type.
+ break;
+ case 'set':
+ $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
+ break;
+ default:
+ $sql .= '('.$attributes['CONSTRAINT'].')';
+ }
+ }
+ }
+
+ if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ {
+ //$sql .= ' UNSIGNED';
+ // As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type.
+ // Will be supported in the next release as a part of MySQL Compatibility.
+ }
+
+ 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';
+ }
+
+ if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
+ {
+ $sql .= ' UNIQUE';
+ }
+ }
+
+ // don't add a comma on the end of the last field
+ if (++$current_field_count < count($fields))
+ {
+ $sql .= ',';
+ }
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Create Table
+ *
+ * @access private
+ * @param string the table name
+ * @param mixed the fields
+ * @param mixed primary key(s)
+ * @param mixed key(s)
+ * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @return bool
+ */
+ function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ if ($if_not_exists === TRUE)
+ {
+ //$sql .= 'IF NOT EXISTS ';
+ // As of version 8.4.0 CUBRID does not support this SQL syntax.
+ }
+
+ $sql .= $this->db->_escape_identifiers($table)." (";
+
+ $sql .= $this->_process_fields($fields);
+
+ // If there is a PK defined
+ if (count($primary_keys) > 0)
+ {
+ $key_name = "pk_" . $table . "_" .
+ $this->db->_protect_identifiers(implode('_', $primary_keys));
+
+ $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
+ }
+
+ if (is_array($keys) && count($keys) > 0)
+ {
+ foreach ($keys as $key)
+ {
+ if (is_array($key))
+ {
+ $key_name = $this->db->_protect_identifiers(implode('_', $key));
+ $key = $this->db->_protect_identifiers($key);
+ }
+ else
+ {
+ $key_name = $this->db->_protect_identifiers($key);
+ $key = array($key_name);
+ }
+
+ $sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
+ }
+ }
+
+ $sql .= "\n);";
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop Table
+ *
+ * @access private
+ * @return string
+ */
+ function _drop_table($table)
+ {
+ return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Alter table query
+ *
+ * Generates a platform-specific query so that a table can be altered
+ * Called by add_column(), drop_column(), and column_alter(),
+ *
+ * @access private
+ * @param string the ALTER type (ADD, DROP, CHANGE)
+ * @param string the column name
+ * @param array fields
+ * @param string the field after which we should add the new field
+ * @return object
+ */
+ function _alter_table($alter_type, $table, $fields, $after_field = '')
+ {
+ $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+
+ // DROP has everything it needs now.
+ if ($alter_type == 'DROP')
+ {
+ return $sql.$this->db->_protect_identifiers($fields);
+ }
+
+ $sql .= $this->_process_fields($fields);
+
+ if ($after_field != '')
+ {
+ $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rename a table
+ *
+ * Generates a platform-specific query so that a table can be renamed
+ *
+ * @access private
+ * @param string the old table name
+ * @param string the new table name
+ * @return string
+ */
+ function _rename_table($table_name, $new_table_name)
+ {
+ $sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name);
+ return $sql;
+ }
+
+}
+
+/* End of file cubrid_forge.php */
+/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php
new file mode 100644
index 000000000..6f0c2b5f7
--- /dev/null
+++ b/system/database/drivers/cubrid/cubrid_result.php
@@ -0,0 +1,202 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @author Esen Sagynov
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 2.0.2
+ * @filesource
+ */
+
+// --------------------------------------------------------------------
+
+/**
+ * CUBRID Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category Database
+ * @author Esen Sagynov
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_cubrid_result extends CI_DB_result {
+
+ /**
+ * Number of rows in the result set
+ *
+ * @access public
+ * @return integer
+ */
+ function num_rows()
+ {
+ return @cubrid_num_rows($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Number of fields in the result set
+ *
+ * @access public
+ * @return integer
+ */
+ function num_fields()
+ {
+ return @cubrid_num_fields($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Fetch Field Names
+ *
+ * Generates an array of column names
+ *
+ * @access public
+ * @return array
+ */
+ function list_fields()
+ {
+ return cubrid_column_names($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data
+ *
+ * Generates an array of objects containing field meta-data
+ *
+ * @access public
+ * @return array
+ */
+ function field_data()
+ {
+ $retval = array();
+
+ $tablePrimaryKeys = array();
+
+ while ($field = cubrid_fetch_field($this->result_id))
+ {
+ $F = new stdClass();
+ $F->name = $field->name;
+ $F->type = $field->type;
+ $F->default = $field->def;
+ $F->max_length = $field->max_length;
+
+ // At this moment primary_key property is not returned when
+ // cubrid_fetch_field is called. The following code will
+ // provide a patch for it. primary_key property will be added
+ // in the next release.
+
+ // TODO: later version of CUBRID will provide primary_key
+ // property.
+ // When PK is defined in CUBRID, an index is automatically
+ // created in the db_index system table in the form of
+ // pk_tblname_fieldname. So the following will count how many
+ // columns are there which satisfy this format.
+ // The query will search for exact single columns, thus
+ // compound PK is not supported.
+ $res = cubrid_query($this->conn_id,
+ "SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table .
+ "' AND is_primary_key = 'YES' AND index_name = 'pk_" .
+ $field->table . "_" . $field->name . "'"
+ );
+
+ if ($res)
+ {
+ $row = cubrid_fetch_array($res, CUBRID_NUM);
+ $F->primary_key = ($row[0] > 0 ? 1 : null);
+ }
+ else
+ {
+ $F->primary_key = null;
+ }
+
+ if (is_resource($res))
+ {
+ cubrid_close_request($res);
+ $this->result_id = FALSE;
+ }
+
+ $retval[] = $F;
+ }
+
+ return $retval;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Free the result
+ *
+ * @return null
+ */
+ function free_result()
+ {
+ if(is_resource($this->result_id) ||
+ get_resource_type($this->result_id) == "Unknown" &&
+ preg_match('/Resource id #/', strval($this->result_id)))
+ {
+ cubrid_close_request($this->result_id);
+ $this->result_id = FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Data Seek
+ *
+ * Moves the internal pointer to the desired offset. We call
+ * this internally before fetching results to make sure the
+ * result set starts at zero
+ *
+ * @access private
+ * @return array
+ */
+ function _data_seek($n = 0)
+ {
+ return cubrid_data_seek($this->result_id, $n);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - associative array
+ *
+ * Returns the result set as an array
+ *
+ * @access private
+ * @return array
+ */
+ function _fetch_assoc()
+ {
+ return cubrid_fetch_assoc($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - object
+ *
+ * Returns the result set as an object
+ *
+ * @access private
+ * @return object
+ */
+ function _fetch_object()
+ {
+ return cubrid_fetch_object($this->result_id);
+ }
+
+}
+
+
+/* End of file cubrid_result.php */
+/* Location: ./system/database/drivers/cubrid/cubrid_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php
new file mode 100644
index 000000000..cd16d1e18
--- /dev/null
+++ b/system/database/drivers/cubrid/cubrid_utility.php
@@ -0,0 +1,108 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @author Esen Sagynov
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CUBRID Utility Class
+ *
+ * @category Database
+ * @author Esen Sagynov
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_cubrid_utility extends CI_DB_utility {
+
+ /**
+ * List databases
+ *
+ * @access private
+ * @return array
+ */
+ function _list_databases()
+ {
+ // CUBRID does not allow to see the list of all databases on the
+ // server. It is the way its architecture is designed. Every
+ // database is independent and isolated.
+ // For this reason we can return only the name of the currect
+ // connected database.
+ if ($this->conn_id)
+ {
+ return "SELECT '" . $this->database . "'";
+ }
+ else
+ {
+ return FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Optimize table query
+ *
+ * Generates a platform-specific query so that a table can be optimized
+ *
+ * @access private
+ * @param string the table name
+ * @return object
+ * @link http://www.cubrid.org/manual/840/en/Optimize%20Database
+ */
+ function _optimize_table($table)
+ {
+ // No SQL based support in CUBRID as of version 8.4.0. Database or
+ // table optimization can be performed using CUBRID Manager
+ // database administration tool. See the link above for more info.
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Repair table query
+ *
+ * Generates a platform-specific query so that a table can be repaired
+ *
+ * @access private
+ * @param string the table name
+ * @return object
+ * @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency
+ */
+ function _repair_table($table)
+ {
+ // Not supported in CUBRID as of version 8.4.0. Database or
+ // table consistency can be checked using CUBRID Manager
+ // database administration tool. See the link above for more info.
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+ /**
+ * CUBRID Export
+ *
+ * @access private
+ * @param array Preferences
+ * @return mixed
+ */
+ function _backup($params = array())
+ {
+ // No SQL based support in CUBRID as of version 8.4.0. Database or
+ // table backup can be performed using CUBRID Manager
+ // database administration tool.
+ return $this->db->display_error('db_unsuported_feature');
+ }
+}
+
+/* End of file cubrid_utility.php */
+/* Location: ./system/database/drivers/cubrid/cubrid_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/index.html b/system/database/drivers/cubrid/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/cubrid/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+ <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html> \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 65397ed8f..b39bd9360 100755
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -367,6 +367,7 @@ class CI_DB_mssql_driver extends CI_DB {
}
$row = $query->row();
+ $this->_reset_select();
return (int) $row->numrows;
}
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index b7d547cc0..f87cfea4b 100755
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -54,6 +54,9 @@ class CI_DB_mysql_driver extends CI_DB {
var $_count_string = 'SELECT COUNT(*) AS ';
var $_random_keyword = ' RAND()'; // database specific random keyword
+ // whether SET NAMES must be used to set the character set
+ var $use_set_names;
+
/**
* Non-persistent database connection
*
@@ -132,15 +135,13 @@ class CI_DB_mysql_driver extends CI_DB {
*/
function db_set_charset($charset, $collation)
{
- static $use_set_names;
-
- if ( ! isset($use_set_names))
+ if ( ! isset($this->use_set_names))
{
// mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback
- $use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
+ $this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
}
- if ($use_set_names)
+ if ($this->use_set_names === TRUE)
{
return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
}
@@ -384,6 +385,7 @@ class CI_DB_mysql_driver extends CI_DB {
}
$row = $query->row();
+ $this->_reset_select();
return (int) $row->numrows;
}
@@ -439,7 +441,7 @@ class CI_DB_mysql_driver extends CI_DB {
*/
function _field_data($table)
{
- return "SELECT * FROM ".$table." LIMIT 1";
+ return "DESCRIBE ".$table;
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 507389603..e1a6e93ca 100755
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -84,14 +84,19 @@ class CI_DB_mysql_result extends CI_DB_result {
function field_data()
{
$retval = array();
- while ($field = mysql_fetch_field($this->result_id))
+ while ($field = mysql_fetch_object($this->result_id))
{
+ preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
+
+ $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL;
+ $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
+
$F = new stdClass();
- $F->name = $field->name;
- $F->type = $field->type;
- $F->default = $field->def;
- $F->max_length = $field->max_length;
- $F->primary_key = $field->primary_key;
+ $F->name = $field->Field;
+ $F->type = $type;
+ $F->default = $field->Default;
+ $F->max_length = $length;
+ $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
$retval[] = $F;
}
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index e9747c540..48c4d6316 100755
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -96,7 +96,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// Get the table schema
- $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.'.$table);
+ $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`');
// No result means the table name was invalid
if ($query === FALSE)
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index b8586c21d..d3200f328 100755
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -54,6 +54,9 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
var $delete_hack = TRUE;
+ // whether SET NAMES must be used to set the character set
+ var $use_set_names;
+
// --------------------------------------------------------------------
/**
@@ -132,15 +135,13 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
function _db_set_charset($charset, $collation)
{
- static $use_set_names;
-
- if ( ! isset($use_set_names))
+ if ( ! isset($this->use_set_names))
{
// mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback
- $use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE;
+ $this->use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE;
}
- if ($use_set_names)
+ if ($this->use_set_names === TRUE)
{
return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'");
}
@@ -385,6 +386,7 @@ class CI_DB_mysqli_driver extends CI_DB {
}
$row = $query->row();
+ $this->_reset_select();
return (int) $row->numrows;
}
@@ -440,7 +442,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
function _field_data($table)
{
- return "SELECT * FROM ".$table." LIMIT 1";
+ return "DESCRIBE ".$table;
}
// --------------------------------------------------------------------
@@ -568,6 +570,25 @@ class CI_DB_mysqli_driver extends CI_DB {
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
+
+ // --------------------------------------------------------------------
+
+
+ /**
+ * Replace statement
+ *
+ * Generates a platform-specific replace string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ function _replace($table, $keys, $values)
+ {
+ return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ }
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index c4d8f5d58..124d4e599 100755
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -84,21 +84,26 @@ class CI_DB_mysqli_result extends CI_DB_result {
function field_data()
{
$retval = array();
- while ($field = mysqli_fetch_field($this->result_id))
+ while ($field = mysqli_fetch_object($this->result_id))
{
+ preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
+
+ $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL;
+ $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
+
$F = new stdClass();
- $F->name = $field->name;
- $F->type = $field->type;
- $F->default = $field->def;
- $F->max_length = $field->max_length;
- $F->primary_key = ($field->flags & MYSQLI_PRI_KEY_FLAG) ? 1 : 0;
+ $F->name = $field->Field;
+ $F->type = $type;
+ $F->default = $field->Default;
+ $F->max_length = $length;
+ $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
$retval[] = $F;
}
return $retval;
}
-
+
// --------------------------------------------------------------------
/**
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 14df104ff..930177e62 100755
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -35,8 +35,6 @@
* This is a modification of the DB_driver class to
* permit access to oracle databases
*
- * NOTE: this uses the PHP 4 oci methods
- *
* @author Kelly McArdle
*
*/
@@ -77,9 +75,9 @@ class CI_DB_oci8_driver extends CI_DB {
* @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
- return @ocilogon($this->username, $this->password, $this->hostname);
+ return @oci_connect($this->username, $this->password, $this->hostname, $this->char_set);
}
// --------------------------------------------------------------------
@@ -90,9 +88,9 @@ class CI_DB_oci8_driver extends CI_DB {
* @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
- return @ociplogon($this->username, $this->password, $this->hostname);
+ return @oci_pconnect($this->username, $this->password, $this->hostname, $this->char_set);
}
// --------------------------------------------------------------------
@@ -106,9 +104,10 @@ class CI_DB_oci8_driver extends CI_DB {
* @access public
* @return void
*/
- function reconnect()
+ public function reconnect()
{
// not implemented in oracle
+ return;
}
// --------------------------------------------------------------------
@@ -119,8 +118,9 @@ class CI_DB_oci8_driver extends CI_DB {
* @access private called by the base class
* @return resource
*/
- function db_select()
+ public function db_select()
{
+ // Not in Oracle - schemas are actually usernames
return TRUE;
}
@@ -134,7 +134,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @param string
* @return resource
*/
- function db_set_charset($charset, $collation)
+ public function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
@@ -145,12 +145,12 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Version number query string
*
- * @access public
+ * @access protected
* @return string
*/
- function _version()
+ protected function _version()
{
- return ociserverversion($this->conn_id);
+ return oci_server_version($this->conn_id);
}
// --------------------------------------------------------------------
@@ -158,18 +158,18 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
+ * @access protected called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
// oracle must parse the query before it is run. All of the actions with
// the query are based on the statement id returned by ociparse
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
- ocisetprefetch($this->stmt_id, 1000);
- return @ociexecute($this->stmt_id, $this->_commit);
+ oci_set_prefetch($this->stmt_id, 1000);
+ return @oci_execute($this->stmt_id, $this->_commit);
}
/**
@@ -179,11 +179,11 @@ class CI_DB_oci8_driver extends CI_DB {
* @param string an SQL query
* @return none
*/
- function _set_stmt_id($sql)
+ private function _set_stmt_id($sql)
{
if ( ! is_resource($this->stmt_id))
{
- $this->stmt_id = ociparse($this->conn_id, $this->_prep_query($sql));
+ $this->stmt_id = oci_parse($this->conn_id, $this->_prep_query($sql));
}
}
@@ -198,7 +198,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @param string an SQL query
* @return string
*/
- function _prep_query($sql)
+ private function _prep_query($sql)
{
return $sql;
}
@@ -211,9 +211,9 @@ class CI_DB_oci8_driver extends CI_DB {
* @access public
* @return cursor id
*/
- function get_cursor()
+ public function get_cursor()
{
- $this->curs_id = ocinewcursor($this->conn_id);
+ $this->curs_id = oci_new_cursor($this->conn_id);
return $this->curs_id;
}
@@ -237,7 +237,7 @@ class CI_DB_oci8_driver extends CI_DB {
* type yes the type of the parameter
* length yes the max size of the parameter
*/
- function stored_procedure($package, $procedure, $params)
+ public function stored_procedure($package, $procedure, $params)
{
if ($package == '' OR $procedure == '' OR ! is_array($params))
{
@@ -257,7 +257,7 @@ class CI_DB_oci8_driver extends CI_DB {
{
$sql .= $param['name'] . ",";
- if (array_key_exists('type', $param) && ($param['type'] == OCI_B_CURSOR))
+ if (array_key_exists('type', $param) && ($param['type'] === OCI_B_CURSOR))
{
$have_cursor = TRUE;
}
@@ -278,7 +278,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @access private
* @return none
*/
- function _bind_params($params)
+ private function _bind_params($params)
{
if ( ! is_array($params) OR ! is_resource($this->stmt_id))
{
@@ -295,7 +295,7 @@ class CI_DB_oci8_driver extends CI_DB {
}
}
- ocibindbyname($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
+ oci_bind_by_name($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
}
}
@@ -307,7 +307,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -337,7 +337,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
if ( ! $this->trans_enabled)
{
@@ -350,7 +350,7 @@ class CI_DB_oci8_driver extends CI_DB {
return TRUE;
}
- $ret = OCIcommit($this->conn_id);
+ $ret = oci_commit($this->conn_id);
$this->_commit = OCI_COMMIT_ON_SUCCESS;
return $ret;
}
@@ -363,7 +363,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
@@ -376,7 +376,7 @@ class CI_DB_oci8_driver extends CI_DB {
return TRUE;
}
- $ret = OCIrollback($this->conn_id);
+ $ret = oci_rollback($this->conn_id);
$this->_commit = OCI_COMMIT_ON_SUCCESS;
return $ret;
}
@@ -391,7 +391,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -424,9 +424,9 @@ class CI_DB_oci8_driver extends CI_DB {
* @access public
* @return integer
*/
- function affected_rows()
+ public function affected_rows()
{
- return @ocirowcount($this->stmt_id);
+ return @oci_num_rows($this->stmt_id);
}
// --------------------------------------------------------------------
@@ -437,7 +437,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @access public
* @return integer
*/
- function insert_id()
+ public function insert_id()
{
// not supported in oracle
return $this->display_error('db_unsupported_function');
@@ -455,7 +455,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @param string
* @return string
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
{
@@ -470,6 +470,7 @@ class CI_DB_oci8_driver extends CI_DB {
}
$row = $query->row();
+ $this->_reset_select();
return (int) $row->numrows;
}
@@ -480,11 +481,11 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
+ * @access protected
* @param boolean
- * @return string
+ * @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT TABLE_NAME FROM ALL_TABLES";
@@ -503,11 +504,11 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
+ * @access protected
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'";
}
@@ -523,7 +524,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @param string the table name
* @return object
*/
- function _field_data($table)
+ protected function _field_data($table)
{
return "SELECT * FROM ".$table." where rownum = 1";
}
@@ -533,12 +534,13 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* The error message string
*
- * @access private
+ * @access protected
* @return string
*/
- function _error_message()
+ protected function _error_message()
{
- $error = ocierror($this->conn_id);
+ // 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'];
}
@@ -547,12 +549,13 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* The error message number
*
- * @access private
+ * @access protected
* @return integer
*/
- function _error_number()
+ protected function _error_number()
{
- $error = ocierror($this->conn_id);
+ // Same as _error_message()
+ $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
return $error['code'];
}
@@ -563,11 +566,11 @@ class CI_DB_oci8_driver extends CI_DB {
*
* This function escapes column and table names
*
- * @access private
+ * @access protected
* @param string
* @return string
*/
- function _escape_identifiers($item)
+ protected function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
@@ -606,11 +609,11 @@ class CI_DB_oci8_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
+ * @access protected
* @param type
* @return type
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -633,9 +636,37 @@ class CI_DB_oci8_driver extends CI_DB {
* @param array the insert values
* @return string
*/
- function _insert($table, $keys, $values)
+ protected function _insert($table, $keys, $values)
{
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert_batch statement
+ *
+ * Generates a platform-specific insert string from the supplied data
+ *
+ * @access protected
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _insert_batch($table, $keys, $values)
+ {
+ $keys = implode(', ', $keys);
+ $sql = "INSERT ALL\n";
+
+ for ($i = 0, $c = count($values); $i < $c; $i++)
+ {
+ $sql .= ' INTO ' . $table . ' (' . $keys . ') VALUES ' . $values[$i] . "\n";
+ }
+
+ $sql .= 'SELECT * FROM dual';
+
+ return $sql;
}
// --------------------------------------------------------------------
@@ -645,7 +676,7 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific update string from the supplied data
*
- * @access public
+ * @access protected
* @param string the table name
* @param array the update data
* @param array the where clause
@@ -653,7 +684,7 @@ class CI_DB_oci8_driver extends CI_DB {
* @param array the limit clause
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
@@ -682,11 +713,11 @@ class CI_DB_oci8_driver extends CI_DB {
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
- * @access public
+ * @access protected
* @param string the table name
* @return string
*/
- function _truncate($table)
+ protected function _truncate($table)
{
return "TRUNCATE TABLE ".$table;
}
@@ -698,13 +729,13 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
+ * @access protected
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
@@ -732,13 +763,13 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
+ * @access protected
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
$limit = $offset + $limit;
$newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)";
@@ -759,13 +790,13 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
+ * @access protected
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
- @ocilogoff($conn_id);
+ @oci_close($conn_id);
}
@@ -774,4 +805,4 @@ class CI_DB_oci8_driver extends CI_DB {
/* End of file oci8_driver.php */
-/* Location: ./system/database/drivers/oci8/oci8_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/oci8/oci8_driver.php */
diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 88531b436..ae133d7b5 100755
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -40,14 +40,17 @@ class CI_DB_oci8_result extends CI_DB_result {
* @access public
* @return integer
*/
- function num_rows()
+ public function num_rows()
{
- $rowcount = count($this->result_array());
- @ociexecute($this->stmt_id);
-
- if ($this->curs_id)
+ if ($this->num_rows === 0 && count($this->result_array()) > 0)
{
- @ociexecute($this->curs_id);
+ $this->num_rows = count($this->result_array());
+ @oci_execute($this->stmt_id);
+
+ if ($this->curs_id)
+ {
+ @oci_execute($this->curs_id);
+ }
}
return $rowcount;
@@ -61,9 +64,9 @@ class CI_DB_oci8_result extends CI_DB_result {
* @access public
* @return integer
*/
- function num_fields()
+ public function num_fields()
{
- $count = @ocinumcols($this->stmt_id);
+ $count = @oci_num_fields($this->stmt_id);
// if we used a limit we subtract it
if ($this->limit_used)
@@ -84,13 +87,12 @@ class CI_DB_oci8_result extends CI_DB_result {
* @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- $fieldCount = $this->num_fields();
- for ($c = 1; $c <= $fieldCount; $c++)
+ for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
- $field_names[] = ocicolumnname($this->stmt_id, $c);
+ $field_names[] = oci_field_name($this->stmt_id, $c);
}
return $field_names;
}
@@ -105,16 +107,15 @@ class CI_DB_oci8_result extends CI_DB_result {
* @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- $fieldCount = $this->num_fields();
- for ($c = 1; $c <= $fieldCount; $c++)
+ for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
- $F = new stdClass();
- $F->name = ocicolumnname($this->stmt_id, $c);
- $F->type = ocicolumntype($this->stmt_id, $c);
- $F->max_length = ocicolumnsize($this->stmt_id, $c);
+ $F = new stdClass();
+ $F->name = oci_field_name($this->stmt_id, $c);
+ $F->type = oci_field_type($this->stmt_id, $c);
+ $F->max_length = oci_field_size($this->stmt_id, $c);
$retval[] = $F;
}
@@ -129,11 +130,11 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* @return null
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
- ocifreestatement($this->result_id);
+ oci_free_statement($this->result_id);
$this->result_id = FALSE;
}
}
@@ -145,14 +146,13 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
+ * @access protected
* @return array
*/
- function _fetch_assoc(&$row)
+ protected function _fetch_assoc()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
-
- return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS);
+ return oci_fetch_assoc($id);
}
// --------------------------------------------------------------------
@@ -162,41 +162,13 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @access protected
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object()
{
- $result = array();
-
- // If PHP 5 is being used we can fetch an result object
- if (function_exists('oci_fetch_object'))
- {
- $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
-
- return @oci_fetch_object($id);
- }
-
- // If PHP 4 is being used we have to build our own result
- foreach ($this->result_array() as $key => $val)
- {
- $obj = new stdClass();
- if (is_array($val))
- {
- foreach ($val as $k => $v)
- {
- $obj->$k = $v;
- }
- }
- else
- {
- $obj->$key = $val;
- }
-
- $result[] = $obj;
- }
-
- return $result;
+ $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
+ return @oci_fetch_object($id);
}
// --------------------------------------------------------------------
@@ -207,17 +179,15 @@ class CI_DB_oci8_result extends CI_DB_result {
* @access public
* @return array
*/
- function result_array()
+ public function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
- // oracle's fetch functions do not return arrays.
- // The information is returned in reference parameters
$row = NULL;
- while ($this->_fetch_assoc($row))
+ while ($row = $this->_fetch_assoc())
{
$this->result_array[] = $row;
}
@@ -234,10 +204,10 @@ class CI_DB_oci8_result extends CI_DB_result {
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
+ * @access protected
* @return array
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return FALSE; // Not needed
}
@@ -246,4 +216,4 @@ class CI_DB_oci8_result extends CI_DB_result {
/* End of file oci8_result.php */
-/* Location: ./system/database/drivers/oci8/oci8_result.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/oci8/oci8_result.php */
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 81e0d7cf2..bcd7937d9 100755
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -48,9 +48,9 @@ class CI_DB_odbc_driver extends CI_DB {
var $_random_keyword;
- function CI_DB_odbc_driver($params)
+ function __construct($params)
{
- parent::CI_DB($params);
+ parent::__construct($params);
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
}
@@ -339,6 +339,7 @@ class CI_DB_odbc_driver extends CI_DB {
}
$row = $query->row();
+ $this->_reset_select();
return (int) $row->numrows;
}
diff --git a/system/database/drivers/pdo/index.html b/system/database/drivers/pdo/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/pdo/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+ <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html> \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
new file mode 100644
index 000000000..5de2079bb
--- /dev/null
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -0,0 +1,803 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com
+ * @since Version 2.1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * PDO Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the 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_pdo_driver extends CI_DB {
+
+ var $dbdriver = 'pdo';
+
+ // the character used to excape - not necessary for PDO
+ var $_escape_char = '';
+ var $_like_escape_str;
+ var $_like_escape_chr;
+
+
+ /**
+ * The syntax to count rows is slightly different across different
+ * database engines, so this string appears in each driver and is
+ * used for the count_all() and count_all_results() functions.
+ */
+ var $_count_string = "SELECT COUNT(*) AS ";
+ var $_random_keyword;
+
+ var $options = array();
+
+ function __construct($params)
+ {
+ parent::__construct($params);
+
+ // clause and character used for LIKE escape sequences
+ if (strpos($this->hostname, 'mysql') !== FALSE)
+ {
+ $this->_like_escape_str = '';
+ $this->_like_escape_chr = '';
+
+ //Prior to this version, the charset can't be set in the dsn
+ if(is_php('5.3.6'))
+ {
+ $this->hostname .= ";charset={$this->char_set}";
+ }
+
+ //Set the charset with the connection options
+ $this->options['PDO::MYSQL_ATTR_INIT_COMMAND'] = "SET NAMES {$this->char_set}";
+ }
+ else if (strpos($this->hostname, 'odbc') !== FALSE)
+ {
+ $this->_like_escape_str = " {escape '%s'} ";
+ $this->_like_escape_chr = '!';
+ }
+ else
+ {
+ $this->_like_escape_str = " ESCAPE '%s' ";
+ $this->_like_escape_chr = '!';
+ }
+
+ $this->hostname .= ";dbname=".$this->database;
+
+ $this->trans_enabled = FALSE;
+
+ $this->_random_keyword = ' RND('.time().')'; // database specific random keyword
+ }
+
+ /**
+ * Non-persistent database connection
+ *
+ * @access private called by the base class
+ * @return resource
+ */
+ function db_connect()
+ {
+ $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
+
+ return new PDO($this->hostname, $this->username, $this->password, $this->options);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Persistent database connection
+ *
+ * @access private called by the base class
+ * @return resource
+ */
+ function db_pconnect()
+ {
+ $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
+ $this->options['PDO::ATTR_PERSISTENT'] = TRUE;
+
+ return new PDO($this->hostname, $this->username, $this->password, $this->options);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Reconnect
+ *
+ * Keep / reestablish the db connection if no queries have been
+ * sent for a length of time exceeding the server's idle timeout
+ *
+ * @access public
+ * @return void
+ */
+ function reconnect()
+ {
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Select the database
+ *
+ * @access private called by the base class
+ * @return resource
+ */
+ function db_select()
+ {
+ // Not needed for PDO
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Set client character set
+ *
+ * @access public
+ * @param string
+ * @param string
+ * @return resource
+ */
+ function db_set_charset($charset, $collation)
+ {
+ // @todo - add support if needed
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Version number query string
+ *
+ * @access public
+ * @return string
+ */
+ function _version()
+ {
+ return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Execute the query
+ *
+ * @access private called by the base class
+ * @param string an SQL query
+ * @return object
+ */
+ function _execute($sql)
+ {
+ $sql = $this->_prep_query($sql);
+ $result_id = $this->conn_id->query($sql);
+
+ if (is_object($result_id))
+ {
+ $this->affect_rows = $result_id->rowCount();
+ }
+ else
+ {
+ $this->affect_rows = 0;
+ }
+
+ return $result_id;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Prep the query
+ *
+ * If needed, each database adapter can prep the query string
+ *
+ * @access private called by execute()
+ * @param string an SQL query
+ * @return string
+ */
+ function _prep_query($sql)
+ {
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Begin Transaction
+ *
+ * @access public
+ * @return bool
+ */
+ function trans_begin($test_mode = FALSE)
+ {
+ 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.
+ $this->_trans_failure = (bool) ($test_mode === TRUE);
+
+ return $this->conn_id->beginTransaction();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Commit Transaction
+ *
+ * @access public
+ * @return bool
+ */
+ 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;
+ }
+
+ $ret = $this->conn->commit();
+ return $ret;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rollback Transaction
+ *
+ * @access public
+ * @return bool
+ */
+ 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;
+ }
+
+ $ret = $this->conn_id->rollBack();
+ return $ret;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape String
+ *
+ * @access public
+ * @param string
+ * @param bool whether or not the string will be used in a LIKE condition
+ * @return string
+ */
+ function escape_str($str, $like = FALSE)
+ {
+ if (is_array($str))
+ {
+ foreach ($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val, $like);
+ }
+
+ return $str;
+ }
+
+ //Escape the string
+ $str = $this->conn_id->quote($str);
+
+ //If there are duplicated quotes, trim them away
+ if (strpos($str, "'") === 0)
+ {
+ $str = substr($str, 1, -1);
+ }
+
+ // 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
+ *
+ * @access public
+ * @return integer
+ */
+ function affected_rows()
+ {
+ return $this->affect_rows;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @access public
+ * @return integer
+ */
+ function insert_id($name=NULL)
+ {
+ //Convenience method for postgres insertid
+ if (strpos($this->hostname, 'pgsql') !== FALSE)
+ {
+ $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);
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * "Count All" query
+ *
+ * Generates a platform-specific query string that counts all records in
+ * the specified database
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+ function count_all($table = '')
+ {
+ if ($table == '')
+ {
+ return 0;
+ }
+
+ $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
+
+ if ($query->num_rows() == 0)
+ {
+ return 0;
+ }
+
+ $row = $query->row();
+ $this->_reset_select();
+ return (int) $row->numrows;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @access private
+ * @param boolean
+ * @return string
+ */
+ function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = "SHOW TABLES FROM `".$this->database."`";
+
+ if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ {
+ //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ return FALSE; // not currently supported
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @access public
+ * @param string the table name
+ * @return string
+ */
+ function _list_columns($table = '')
+ {
+ return "SHOW COLUMNS FROM ".$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @access public
+ * @param string the table name
+ * @return object
+ */
+ function _field_data($table)
+ {
+ return "SELECT TOP 1 FROM ".$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * The error message string
+ *
+ * @access private
+ * @return string
+ */
+ function _error_message()
+ {
+ $error_array = $this->conn_id->errorInfo();
+ return $error_array[2];
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * The error message number
+ *
+ * @access private
+ * @return integer
+ */
+ function _error_number()
+ {
+ return $this->conn_id->errorCode();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape the SQL Identifiers
+ *
+ * This function escapes column and table names
+ *
+ * @access private
+ * @param string
+ * @return string
+ */
+ function _escape_identifiers($item)
+ {
+ if ($this->_escape_char == '')
+ {
+ return $item;
+ }
+
+ foreach ($this->_reserved_identifiers as $id)
+ {
+ if (strpos($item, '.'.$id) !== FALSE)
+ {
+ $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
+
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ }
+ }
+
+ if (strpos($item, '.') !== FALSE)
+ {
+ $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
+
+ }
+ else
+ {
+ $str = $this->_escape_char.$item.$this->_escape_char;
+ }
+
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @access public
+ * @param type
+ * @return type
+ */
+ function _from_tables($tables)
+ {
+ if ( ! is_array($tables))
+ {
+ $tables = array($tables);
+ }
+
+ return (count($tables) == 1) ? $tables[0] : '('.implode(', ', $tables).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert statement
+ *
+ * Generates a platform-specific insert string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ function _insert($table, $keys, $values)
+ {
+ return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert_batch statement
+ *
+ * Generates a platform-specific insert string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ function _insert_batch($table, $keys, $values)
+ {
+ return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause
+ * @param array the limit clause
+ * @return string
+ */
+ function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key." = ".$val;
+ }
+
+ $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+
+ $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
+
+ $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
+
+ $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+
+ $sql .= $orderby.$limit;
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ function _update_batch($table, $values, $index, $where = NULL)
+ {
+ $ids = array();
+ $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
+
+ foreach ($values as $key => $val)
+ {
+ $ids[] = $val[$index];
+
+ foreach (array_keys($val) as $field)
+ {
+ if ($field != $index)
+ {
+ $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
+
+ $sql = "UPDATE ".$table." SET ";
+ $cases = '';
+
+ foreach ($final as $k => $v)
+ {
+ $cases .= $k.' = CASE '."\n";
+ foreach ($v as $row)
+ {
+ $cases .= $row."\n";
+ }
+
+ $cases .= 'ELSE '.$k.' END, ';
+ }
+
+ $sql .= substr($cases, 0, -2);
+
+ $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
+
+ return $sql;
+ }
+
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ * If the database does not support the truncate() command
+ * This function maps to "DELETE FROM table"
+ *
+ * @access public
+ * @param string the table name
+ * @return string
+ */
+ function _truncate($table)
+ {
+ return $this->_delete($table);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the where clause
+ * @param string the limit clause
+ * @return string
+ */
+ function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = '';
+
+ if (count($where) > 0 OR count($like) > 0)
+ {
+ $conditions = "\nWHERE ";
+ $conditions .= implode("\n", $this->ar_where);
+
+ if (count($where) > 0 && count($like) > 0)
+ {
+ $conditions .= " AND ";
+ }
+ $conditions .= implode("\n", $like);
+ }
+
+ $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+
+ return "DELETE FROM ".$table.$conditions.$limit;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @access public
+ * @param string the sql query string
+ * @param integer the number of rows to limit the query to
+ * @param integer the offset value
+ * @return string
+ */
+ function _limit($sql, $limit, $offset)
+ {
+ if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE)
+ {
+ if ($offset == 0)
+ {
+ $offset = '';
+ }
+ else
+ {
+ $offset .= ", ";
+ }
+
+ return $sql."LIMIT ".$offset.$limit;
+ }
+ else
+ {
+ $sql .= "LIMIT ".$limit;
+
+ if ($offset > 0)
+ {
+ $sql .= " OFFSET ".$offset;
+ }
+
+ return $sql;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Close DB Connection
+ *
+ * @access public
+ * @param resource
+ * @return void
+ */
+ function _close($conn_id)
+ {
+ $this->conn_id = null;
+ }
+
+
+}
+
+
+
+/* End of file pdo_driver.php */
+/* Location: ./system/database/drivers/pdo/pdo_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php
new file mode 100644
index 000000000..1462e8c21
--- /dev/null
+++ b/system/database/drivers/pdo/pdo_forge.php
@@ -0,0 +1,266 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com
+ * @since Version 2.1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * PDO Forge Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/database/
+ */
+class CI_DB_pdo_forge extends CI_DB_forge {
+
+ /**
+ * Create database
+ *
+ * @access private
+ * @param string the database name
+ * @return bool
+ */
+ function _create_database()
+ {
+ // PDO has no "create database" command since it's
+ // designed to connect to an existing database
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop database
+ *
+ * @access private
+ * @param string the database name
+ * @return bool
+ */
+ function _drop_database($name)
+ {
+ // PDO has no "drop database" command since it's
+ // designed to connect to an existing database
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Create Table
+ *
+ * @access private
+ * @param string the table name
+ * @param array the fields
+ * @param mixed primary key(s)
+ * @param mixed key(s)
+ * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @return bool
+ */
+ function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ if ($if_not_exists === TRUE)
+ {
+ $sql .= 'IF NOT EXISTS ';
+ }
+
+ $sql .= $this->db->_escape_identifiers($table)." (";
+ $current_field_count = 0;
+
+ foreach ($fields as $field=>$attributes)
+ {
+ // Numeric field names aren't allowed in databases, so if the key is
+ // numeric, we know it was assigned by PHP and the developer manually
+ // entered the field information, so we'll simply add it to the list
+ if (is_numeric($field))
+ {
+ $sql .= "\n\t$attributes";
+ }
+ else
+ {
+ $attributes = array_change_key_case($attributes, CASE_UPPER);
+
+ $sql .= "\n\t".$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\tFOREIGN KEY (" . implode(', ', $key) . ")";
+ }
+ }
+
+ $sql .= "\n)";
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop Table
+ *
+ * @access private
+ * @return bool
+ */
+ function _drop_table($table)
+ {
+ // Not a supported PDO feature
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Alter table query
+ *
+ * Generates a platform-specific query so that a table can be altered
+ * Called by add_column(), drop_column(), and column_alter(),
+ *
+ * @access private
+ * @param string the ALTER type (ADD, DROP, CHANGE)
+ * @param string the column name
+ * @param string the table name
+ * @param string the column definition
+ * @param string the default value
+ * @param boolean should 'NOT NULL' be added
+ * @param string the field after which we should add the new field
+ * @return object
+ */
+ function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ {
+ $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+
+ // DROP has everything it needs now.
+ if ($alter_type == 'DROP')
+ {
+ return $sql;
+ }
+
+ $sql .= " $column_definition";
+
+ if ($default_value != '')
+ {
+ $sql .= " DEFAULT \"$default_value\"";
+ }
+
+ if ($null === NULL)
+ {
+ $sql .= ' NULL';
+ }
+ else
+ {
+ $sql .= ' NOT NULL';
+ }
+
+ if ($after_field != '')
+ {
+ $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ }
+
+ return $sql;
+
+ }
+
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rename a table
+ *
+ * Generates a platform-specific query so that a table can be renamed
+ *
+ * @access private
+ * @param string the old table name
+ * @param string the new table name
+ * @return string
+ */
+ function _rename_table($table_name, $new_table_name)
+ {
+ $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
+ return $sql;
+ }
+
+
+}
+
+/* End of file pdo_forge.php */
+/* Location: ./system/database/drivers/pdo/pdo_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php
new file mode 100644
index 000000000..7f3058ff0
--- /dev/null
+++ b/system/database/drivers/pdo/pdo_result.php
@@ -0,0 +1,171 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com
+ * @since Version 2.1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * PDO Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_pdo_result extends CI_DB_result {
+
+ /**
+ * Number of rows in the result set
+ *
+ * @access public
+ * @return integer
+ */
+ function num_rows()
+ {
+ return $this->result_id->rowCount();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Number of fields in the result set
+ *
+ * @access public
+ * @return integer
+ */
+ function num_fields()
+ {
+ return $this->result_id->columnCount();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Fetch Field Names
+ *
+ * Generates an array of column names
+ *
+ * @access public
+ * @return array
+ */
+ function list_fields()
+ {
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data
+ *
+ * Generates an array of objects containing field meta-data
+ *
+ * @access public
+ * @return array
+ */
+ function field_data()
+ {
+ $data = array();
+
+ try
+ {
+ for($i = 0; $i < $this->num_fields(); $i++)
+ {
+ $data[] = $this->result_id->getColumnMeta($i);
+ }
+
+ return $data;
+ }
+ catch (Exception $e)
+ {
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Free the result
+ *
+ * @return null
+ */
+ function free_result()
+ {
+ if (is_object($this->result_id))
+ {
+ $this->result_id = FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Data Seek
+ *
+ * Moves the internal pointer to the desired offset. We call
+ * this internally before fetching results to make sure the
+ * result set starts at zero
+ *
+ * @access private
+ * @return array
+ */
+ function _data_seek($n = 0)
+ {
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - associative array
+ *
+ * Returns the result set as an array
+ *
+ * @access private
+ * @return array
+ */
+ function _fetch_assoc()
+ {
+ return $this->result_id->fetch(PDO::FETCH_ASSOC);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - object
+ *
+ * Returns the result set as an object
+ *
+ * @access private
+ * @return object
+ */
+ function _fetch_object()
+ {
+ return $this->result_id->fetchObject();
+ }
+
+}
+
+
+/* End of file pdo_result.php */
+/* Location: ./system/database/drivers/pdo/pdo_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_utility.php b/system/database/drivers/pdo/pdo_utility.php
new file mode 100644
index 000000000..29aefca80
--- /dev/null
+++ b/system/database/drivers/pdo/pdo_utility.php
@@ -0,0 +1,103 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com
+ * @since Version 2.1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * PDO Utility Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/database/
+ */
+class CI_DB_pdo_utility extends CI_DB_utility {
+
+ /**
+ * List databases
+ *
+ * @access private
+ * @return bool
+ */
+ function _list_databases()
+ {
+ // Not sure if PDO lets you list all databases...
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Optimize table query
+ *
+ * Generates a platform-specific query so that a table can be optimized
+ *
+ * @access private
+ * @param string the table name
+ * @return object
+ */
+ function _optimize_table($table)
+ {
+ // Not a supported PDO feature
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Repair table query
+ *
+ * Generates a platform-specific query so that a table can be repaired
+ *
+ * @access private
+ * @param string the table name
+ * @return object
+ */
+ function _repair_table($table)
+ {
+ // Not a supported PDO feature
+ if ($this->db->db_debug)
+ {
+ return $this->db->display_error('db_unsuported_feature');
+ }
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * PDO Export
+ *
+ * @access private
+ * @param array Preferences
+ * @return mixed
+ */
+ function _backup($params = array())
+ {
+ // Currently unsupported
+ return $this->db->display_error('db_unsuported_feature');
+ }
+
+}
+
+/* End of file pdo_utility.php */
+/* Location: ./system/database/drivers/pdo/pdo_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 140396885..5367f9759 100755
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -385,6 +385,7 @@ class CI_DB_postgre_driver extends CI_DB {
}
$row = $query->row();
+ $this->_reset_select();
return (int) $row->numrows;
}
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index eb4e585b3..0cc898b38 100755
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -354,6 +354,7 @@ class CI_DB_sqlite_driver extends CI_DB {
}
$row = $query->row();
+ $this->_reset_select();
return (int) $row->numrows;
}
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 1d32792ce..400fd31c6 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -344,6 +344,7 @@ class CI_DB_sqlsrv_driver extends CI_DB {
return '0';
$row = $query->row();
+ $this->_reset_select();
return $row->numrows;
}