diff options
Diffstat (limited to 'system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php')
| -rw-r--r-- | system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php | 105 |
1 files changed, 81 insertions, 24 deletions
diff --git a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php index e9d25cebc..66c15dac6 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php @@ -6,7 +6,7 @@ * * This content is released under the MIT License (MIT) * - * Copyright (c) 2014 - 2015, British Columbia Institute of Technology + * Copyright (c) 2014 - 2017, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -28,10 +28,10 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/) - * @copyright Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/) + * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) + * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) * @license http://opensource.org/licenses/MIT MIT License - * @link http://codeigniter.com + * @link https://codeigniter.com * @since Version 3.0.0 * @filesource */ @@ -48,7 +48,7 @@ defined('BASEPATH') OR exit('No direct script access allowed'); * @subpackage Drivers * @category Database * @author EllisLab Dev Team - * @link http://codeigniter.com/user_guide/database/ + * @link https://codeigniter.com/user_guide/database/ */ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { @@ -73,7 +73,7 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { * * @var bool */ - public $stricton = FALSE; + public $stricton; // -------------------------------------------------------------------- @@ -106,7 +106,7 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { empty($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')) + elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 6) === FALSE) { $this->dsn .= ';charset='.$this->char_set; } @@ -122,26 +122,34 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { */ public function db_connect($persistent = FALSE) { - /* Prior to PHP 5.3.6, even if the charset was supplied in the DSN - * on connect - it was ignored. This is a work-around for the issue. - * - * Reference: http://www.php.net/manual/en/ref.pdo-mysql.connection.php - */ - if ( ! is_php('5.3.6') && ! empty($this->char_set)) + if (isset($this->stricton)) { - $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET NAMES '.$this->char_set - .(empty($this->dbcollat) ? '' : ' COLLATE '.$this->dbcollat); - } - - if ($this->stricton) - { - if (empty($this->options[PDO::MYSQL_ATTR_INIT_COMMAND])) + if ($this->stricton) { - $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET SESSION sql_mode="STRICT_ALL_TABLES"'; + $sql = 'CONCAT(@@sql_mode, ",", "STRICT_ALL_TABLES")'; } else { - $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] .= ', @@session.sql_mode = "STRICT_ALL_TABLES"'; + $sql = 'REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE( + @@sql_mode, + "STRICT_ALL_TABLES,", ""), + ",STRICT_ALL_TABLES", ""), + "STRICT_ALL_TABLES", ""), + "STRICT_TRANS_TABLES,", ""), + ",STRICT_TRANS_TABLES", ""), + "STRICT_TRANS_TABLES", "")'; + } + + if ( ! empty($sql)) + { + if (empty($this->options[PDO::MYSQL_ATTR_INIT_COMMAND])) + { + $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET SESSION sql_mode = '.$sql; + } + else + { + $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] .= ', @@session.sql_mode = '.$sql; + } } } @@ -150,8 +158,7 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { $this->options[PDO::MYSQL_ATTR_COMPRESS] = TRUE; } - // SSL support was added to PDO_MYSQL in PHP 5.3.7 - if (is_array($this->encrypt) && is_php('5.3.7')) + if (is_array($this->encrypt)) { $ssl = array(); empty($this->encrypt['ssl_key']) OR $ssl[PDO::MYSQL_ATTR_SSL_KEY] = $this->encrypt['ssl_key']; @@ -199,6 +206,56 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { if (FALSE !== $this->simple_query('USE '.$this->escape_identifiers($database))) { $this->database = $database; + $this->data_cache = array(); + return TRUE; + } + + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @return bool + */ + protected function _trans_begin() + { + $this->conn_id->setAttribute(PDO::ATTR_AUTOCOMMIT, FALSE); + return $this->conn_id->beginTransaction(); + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @return bool + */ + protected function _trans_commit() + { + if ($this->conn_id->commit()) + { + $this->conn_id->setAttribute(PDO::ATTR_AUTOCOMMIT, TRUE); + return TRUE; + } + + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @return bool + */ + protected function _trans_rollback() + { + if ($this->conn_id->rollBack()) + { + $this->conn_id->setAttribute(PDO::ATTR_AUTOCOMMIT, TRUE); return TRUE; } |