diff options
Diffstat (limited to 'system/database')
4 files changed, 268 insertions, 2 deletions
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 94a12100e..b8724e974 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -143,7 +143,7 @@ class CI_DB_pdo_driver extends CI_DB { } // Add the database name to the DSN, if needed - if (stripos($this->dsn, 'dbname') === FALSE && in_array($this->subdriver, array('4D', 'firebird', 'cubrid'))) + if (stripos($this->dsn, 'dbname') === FALSE && in_array($this->subdriver, array('4D', 'cubrid'))) { $this->dsn .= 'dbname='.$this->database.';'; } diff --git a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php index cee936aa5..042920714 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php @@ -73,7 +73,7 @@ class CI_DB_pdo_dblib_driver extends CI_DB_pdo_driver { } else { - if ( ! empty($this->char_set) && strpos($this->dsn, 'charset=') === FALSE) + if ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 6) === FALSE) { $this->dsn .= ';charset='.$this->char_set; } diff --git a/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php new file mode 100644 index 000000000..c074a9a78 --- /dev/null +++ b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php @@ -0,0 +1,262 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.2.4 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 3.0.0 + * @filesource + */ + +/** + * PDO Firebird Database Adapter Class + * + * Note: _DB is an extender class that the app controller + * creates dynamically based on whether the query builder + * class is being used or not. + * + * @package CodeIgniter + * @subpackage Drivers + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_pdo_firebird_driver extends CI_DB_pdo_driver { + + public $subdriver = 'firebird'; + + /** + * The syntax to count rows is slightly different across different + * database engines, so this string appears in each driver and is + * used for the count_all() and count_all_results() functions. + */ + protected $_random_keyword = ' RANDOM()'; // Currently not supported + + /** + * Constructor + * + * Builds the DSN if not already set. + * + * @param array + * @return void + */ + public function __construct($params) + { + parent::__construct($params); + + if (empty($this->dsn)) + { + $this->dsn = 'firebird:'; + + if ( ! empty($this->database)) + { + $this->dsn .= 'dbname='.$this->database; + } + elseif ( ! empty($this->hostname)) + { + $this->dsn .= 'dbname='.$this->hostname; + } + + empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set; + empty($this->role) OR $this->dsn .= ';role='.$this->role; + } + elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 9) === FALSE) + { + $this->dsn .= ';charset='.$this->char_set; + } + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @param bool + * @return string + */ + protected function _list_tables($prefix_limit = FALSE) + { + $sql = 'SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS" WHERE "RDB$RELATION_NAME" NOT LIKE \'RDB$%\' AND "RDB$RELATION_NAME" NOT LIKE \'MON$%\''; + + if ($prefix_limit === TRUE && $this->dbprefix !== '') + { + return $sql.' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' " + .sprintf($this->_like_escape_str, $this->_like_escape_chr); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @param string the table name + * @return string + */ + protected function _list_columns($table = '') + { + return 'SELECT "RDB$FIELD_NAME" FROM "RDB$RELATION_FIELDS" WHERE "RDB$RELATION_NAME" = '.$this->escape($table); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @param string the table name + * @return string + */ + protected function _field_data($table) + { + return 'SELECT FIRST 1 * FROM '.$this->protect_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @param array + * @return string + */ + protected function _from_tables($tables) + { + return is_array($tables) ? implode(', ', $tables) : $tables; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause (ignored) + * @param array the like clause + * @return string + */ + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + { + foreach ($values as $key => $val) + { + $valstr[] = $key.' = '.$val; + } + + $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); + + if ( ! empty($like)) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); + } + + return 'UPDATE '.$table.' SET '.implode(', ', $valstr) + .$where + .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : ''); + } + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * + * If the database does not support the truncate() command, + * then this method maps to 'DELETE FROM table' + * + * @param string the table name + * @return string + */ + protected function _truncate($table) + { + return 'DELETE FROM '.$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @param string the table name + * @param array the where clause + * @param array the like clause + * @param string the limit clause (ignored) + * @return string + */ + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = array(); + + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); + + return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @param string the sql query string + * @param int the number of rows to limit the query to + * @param int the offset value + * @return string + */ + protected function _limit($sql, $limit, $offset) + { + // Limit clause depends on if Interbase or Firebird + if (stripos($this->version(), 'firebird') !== FALSE) + { + $select = 'FIRST '. (int) $limit + .($offset > 0 ? ' SKIP '. (int) $offset : ''); + } + else + { + $select = 'ROWS ' + .($offset > 0 ? (int) $offset.' TO '.($limit + $offset) : (int) $limit); + } + + return preg_replace('`SELECT`i', 'SELECT '.$select, $sql); + } + +} + +/* End of file pdo_firebird_driver.php */ +/* Location: ./system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php index be56212ef..dcab4eca7 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php @@ -70,6 +70,10 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { empty($this->database) OR $this->dsn .= ';dbname='.$this->database; empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set; } + elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 6) === FALSE && is_php('5.3.6')) + { + $this->dsn .= ';charset='.$this->char_set; + } } // -------------------------------------------------------------------- |