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<?php/*** CodeIgniter** An open source application development framework for PHP** This content is released under the MIT License (MIT)** Copyright (c) 2014 - 2016, 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* in the Software without restriction, including without limitation the rights* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell* copies of the Software, and to permit persons to whom the Software is* furnished to do so, subject to the following conditions:** The above copyright notice and this permission notice shall be included in* all copies or substantial portions of the Software.** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN* THE SOFTWARE.** @package CodeIgniter* @author EllisLab Dev Team* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)* @copyright Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/)* @license http://opensource.org/licenses/MIT MIT License* @link https://codeigniter.com* @since Version 2.1.0* @filesource*/defined('BASEPATH') OR exit('No direct script access allowed');/*** CUBRID Database Adapter Class** Note: _DB is an extender class that the app controller* creates dynamically based on whether the query builder* class is being used or not.** @package CodeIgniter* @subpackage Drivers* @category Database* @author Esen Sagynov* @link https://codeigniter.com/user_guide/database/*/class CI_DB_cubrid_driver extends CI_DB {/*** Database driver** @var string*/public $dbdriver = 'cubrid';/*** Auto-commit flag** @var bool*/public $auto_commit = TRUE;// --------------------------------------------------------------------/*** Identifier escape character** @var string*/protected $_escape_char = '`';/*** ORDER BY random keyword** @var array*/protected $_random_keyword = array('RANDOM()', 'RANDOM(%d)');// --------------------------------------------------------------------/*** Class constructor** @param array $params* @return void*/public function __construct($params){parent::__construct($params);if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:[^:]*:[^:]*:(\?.+)?$/', $this->dsn, $matches)){if (stripos($matches[2], 'autocommit=off') !== FALSE){$this->auto_commit = FALSE;}}else{// If no port is defined by the user, use the default valueempty($this->port) OR $this->port = 33000;}}// --------------------------------------------------------------------/*** Non-persistent database connection** @param bool $persistent* @return resource*/public function db_connect($persistent = FALSE){if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:([^:]*):([^:]*):(\?.+)?$/', $this->dsn, $matches)){$func = ($persistent !== TRUE) ? 'cubrid_connect_with_url' : 'cubrid_pconnect_with_url';return ($matches[2] === '' && $matches[3] === '' && $this->username !== '' && $this->password !== '')? $func($this->dsn, $this->username, $this->password): $func($this->dsn);}$func = ($persistent !== TRUE) ? 'cubrid_connect' : 'cubrid_pconnect';return ($this->username !== '')? $func($this->hostname, $this->port, $this->database, $this->username, $this->password): $func($this->hostname, $this->port, $this->database);}// --------------------------------------------------------------------/*** Reconnect** Keep / reestablish the db connection if no queries have been* sent for a length of time exceeding the server's idle timeout** @return void*/public function reconnect(){if (cubrid_ping($this->conn_id) === FALSE){$this->conn_id = FALSE;}}// --------------------------------------------------------------------/*** Database version number** @return string*/public function version(){if (isset($this->data_cache['version'])){return $this->data_cache['version'];}return ( ! $this->conn_id OR ($version = cubrid_get_server_info($this->conn_id)) === FALSE)? FALSE: $this->data_cache['version'] = $version;}// --------------------------------------------------------------------/*** Execute the query** @param string $sql an SQL query* @return resource*/protected function _execute($sql){return cubrid_query($sql, $this->conn_id);}// --------------------------------------------------------------------/*** Begin Transaction** @return bool*/protected function _trans_begin(){if (($autocommit = cubrid_get_autocommit($this->conn_id)) === NULL){return FALSE;}elseif ($autocommit === TRUE){return cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_FALSE);}return TRUE;}// --------------------------------------------------------------------/*** Commit Transaction** @return bool*/protected function _trans_commit(){if ( ! cubrid_commit($this->conn_id)){return FALSE;}if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id)){return cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);}return TRUE;}// --------------------------------------------------------------------/*** Rollback Transaction** @return bool*/protected function _trans_rollback(){if ( ! cubrid_rollback($this->conn_id)){return FALSE;}if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id)){cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);}return TRUE;}// --------------------------------------------------------------------/*** Platform-dependant string escape** @param string* @return string*/protected function _escape_str($str){return cubrid_real_escape_string($str, $this->conn_id);}// --------------------------------------------------------------------/*** Affected Rows** @return int*/public function affected_rows(){return cubrid_affected_rows();}// --------------------------------------------------------------------/*** Insert ID** @return int*/public function insert_id(){return cubrid_insert_id($this->conn_id);}// --------------------------------------------------------------------/*** List table query** Generates a platform-specific query string so that the table names can be fetched** @param bool $prefix_limit* @return string*/protected function _list_tables($prefix_limit = FALSE){$sql = 'SHOW TABLES';if ($prefix_limit !== FALSE && $this->dbprefix !== ''){return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";}return $sql;}// --------------------------------------------------------------------/*** Show column query** Generates a platform-specific query string so that the column names can be fetched** @param string $table* @return string*/protected function _list_columns($table = ''){return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);}// --------------------------------------------------------------------/*** Returns an object with field data** @param string $table* @return array*/public function field_data($table){if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE){return FALSE;}$query = $query->result_object();$retval = array();for ($i = 0, $c = count($query); $i < $c; $i++){$retval[$i] = new stdClass();$retval[$i]->name = $query[$i]->Field;sscanf($query[$i]->Type, '%[a-z](%d)',$retval[$i]->type,$retval[$i]->max_length);$retval[$i]->default = $query[$i]->Default;$retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');}return $retval;}// --------------------------------------------------------------------/*** Error** Returns an array containing code and message of the last* database error that has occured.** @return array*/public function error(){return array('code' => cubrid_errno($this->conn_id), 'message' => cubrid_error($this->conn_id));}// --------------------------------------------------------------------/*** FROM tables** Groups tables in FROM clauses if needed, so there is no confusion* about operator precedence.** @return string*/protected function _from_tables(){if ( ! empty($this->qb_join) && count($this->qb_from) > 1){return '('.implode(', ', $this->qb_from).')';}return implode(', ', $this->qb_from);}// --------------------------------------------------------------------/*** Close DB Connection** @return void*/protected function _close(){cubrid_close($this->conn_id);}}