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<?php |
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//------------------------------------------------------------------------------ |
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// |
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// eTraxis - Records tracking web-based system |
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// Copyright (C) 2004-2011 Artem Rodygin |
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// |
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// This program is free software: you can redistribute it and/or modify |
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// it under the terms of the GNU General Public License as published by |
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// the Free Software Foundation, either version 3 of the License, or |
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// (at your option) any later version. |
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// |
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// This program is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// |
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// You should have received a copy of the GNU General Public License |
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// along with this program. If not, see <http://www.gnu.org/licenses/>. |
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// |
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//------------------------------------------------------------------------------ |
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/** |
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* Database Abstraction Layer |
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* |
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* This module implements eTraxis connectivity. |
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* |
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* @package Engine |
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* @subpackage DAL |
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*/ |
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/**#@+ |
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* Dependency. |
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*/ |
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require_once('../engine/debug.php'); |
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require_once('../engine/utility.php'); |
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require_once('../engine/locale.php'); |
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/**#@-*/ |
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/**#@+ |
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* Supported database driver. |
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*/ |
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define('DRIVER_MYSQL50', 1); // MySQL 5.0 or later |
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define('DRIVER_MSSQL2K', 2); // Microsoft SQL Server 2000 or later |
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define('DRIVER_ORACLE9', 3); // Oracle 9i or later |
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define('DRIVER_PGSQL80', 4); // PostgreSQL 8.0 or later |
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/**#@-*/ |
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$res_driver = array |
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( |
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DRIVER_MYSQL50 => RES_MYSQL_ID, |
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DRIVER_MSSQL2K => RES_MSSQL_ID, |
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DRIVER_ORACLE9 => RES_ORACLE_ID, |
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DRIVER_PGSQL80 => RES_POSTGRESQL_ID, |
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); |
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//------------------------------------------------------------------------------ |
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// DAL database connection. |
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//------------------------------------------------------------------------------ |
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/** |
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* Database connection, implemented via Singleton pattern. |
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* |
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* @package Engine |
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* @subpackage DAL |
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*/ |
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class CDatabase |
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{ |
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/** |
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* Static object of itself. |
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* @var CDatabase |
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*/ |
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private static $object = NULL; |
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/** |
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* Link of opened connection. |
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* @var resource|mysqli |
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*/ |
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private $link = FALSE; |
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/** |
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* TRUE if a transaction is currently under progress, FALSE otherwise. |
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* @var bool |
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*/ |
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private $is_transaction = FALSE; |
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/** |
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* Establishes connection to eTraxis database. |
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*/ |
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private function __construct () |
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{ |
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debug_write_log(DEBUG_TRACE, '[CDatabase::__construct]'); |
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if (DATABASE_DRIVER == DRIVER_MYSQL50) |
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{ |
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if (extension_loaded('mysqli')) |
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{ |
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$this->link = mysqli_connect(DATABASE_HOST, DATABASE_USERNAME, DATABASE_PASSWORD, DATABASE_DBNAME); |
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if ($this->link) |
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{ |
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mysqli_query($this->link, 'set names utf8'); |
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} |
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} |
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else |
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{ |
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$this->link = mysql_connect(DATABASE_HOST, DATABASE_USERNAME, DATABASE_PASSWORD); |
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if ($this->link) |
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{ |
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if (mysql_select_db(DATABASE_DBNAME, $this->link)) |
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{ |
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mysql_query('set names utf8', $this->link); |
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} |
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else |
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{ |
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debug_write_log(DEBUG_WARNING, '[CDatabase::__construct] Error on selecting MySQL database.'); |
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mysql_close($this->link); |
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$this->link = FALSE; |
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} |
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} |
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} |
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} |
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elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
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{ |
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$conn_info = array |
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( |
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'APP' => 'eTraxis', |
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'CharacterSet' => 'UTF-8', |
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'Database' => DATABASE_DBNAME, |
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); |
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View Code Duplication |
if (ustrlen(trim(DATABASE_USERNAME)) != 0) |
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{ |
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$conn_info['UID'] = DATABASE_USERNAME; |
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$conn_info['PWD'] = DATABASE_PASSWORD; |
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} |
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$this->link = sqlsrv_connect(DATABASE_HOST, $conn_info); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
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{ |
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$this->link = dbx_connect(DBX_OCI8, DATABASE_HOST, DATABASE_DBNAME, DATABASE_USERNAME, DATABASE_PASSWORD); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
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{ |
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if (strlen(trim(DATABASE_HOST)) == 0) |
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{ |
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$this->link = pg_connect(sprintf('dbname=%s user=%s password=%s', DATABASE_DBNAME, DATABASE_USERNAME, DATABASE_PASSWORD)); |
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} |
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View Code Duplication |
else |
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{ |
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$this->link = pg_connect(sprintf('host=%s dbname=%s user=%s password=%s', DATABASE_HOST, DATABASE_DBNAME, DATABASE_USERNAME, DATABASE_PASSWORD)); |
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} |
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} |
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else |
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{ |
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debug_write_log(DEBUG_WARNING, '[CDatabase::__construct] Unknown database driver.'); |
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$this->link = FALSE; |
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} |
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} |
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/** |
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* Closes connection to eTraxis database. |
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*/ |
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View Code Duplication |
public function __destruct() |
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{ |
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if (DATABASE_DRIVER == DRIVER_MYSQL50) |
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{ |
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if (extension_loaded('mysqli')) |
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{ |
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mysqli_close($this->link); |
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} |
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else |
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{ |
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mysql_close($this->link); |
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} |
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} |
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elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
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{ |
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sqlsrv_close($this->link); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
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{ |
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dbx_close($this->link); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
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{ |
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pg_close($this->link); |
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} |
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} |
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/** |
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* @ignore |
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*/ |
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public function __get ($name) |
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{ |
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switch ($name) |
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{ |
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case 'link': return $this->link; |
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default: return NULL; |
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} |
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} |
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/** |
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* Connects to database. |
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* |
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* @return CDatabase Database singleton object. |
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*/ |
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public static function connect () |
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{ |
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if (is_null(self::$object)) |
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{ |
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self::$object = new CDatabase(); |
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} |
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return self::$object; |
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} |
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/** |
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* Starts transaction. |
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* |
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* @return bool TRUE if transaction is started successfully, FALSE otherwise. |
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*/ |
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View Code Duplication |
public function transaction () |
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{ |
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if ($this->is_transaction) |
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{ |
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debug_write_log(DEBUG_WARNING, '[CDatabase::transaction] Transaction is under progress.'); |
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return FALSE; |
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} |
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if (DATABASE_DRIVER == DRIVER_MYSQL50) |
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{ |
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if (extension_loaded('mysqli')) |
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{ |
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mysqli_query($this->link, 'start transaction'); |
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} |
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else |
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{ |
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mysql_query('start transaction', $this->link); |
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} |
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} |
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elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
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{ |
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sqlsrv_begin_transaction($this->link); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
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{ |
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dbx_query($this->link, 'set transaction'); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
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{ |
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pg_query($this->link, 'start transaction'); |
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} |
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else |
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{ |
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debug_write_log(DEBUG_WARNING, '[CDatabase::transaction] Unknown database driver.'); |
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return FALSE; |
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} |
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$this->is_transaction = TRUE; |
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return TRUE; |
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} |
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/** |
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* Commits current transaction. |
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* |
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* @return bool TRUE if transaction is committed successfully, FALSE otherwise. |
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*/ |
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View Code Duplication |
public function commit () |
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{ |
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if (!$this->is_transaction) |
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{ |
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debug_write_log(DEBUG_WARNING, '[CDatabase::commit] No active transactions.'); |
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return FALSE; |
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} |
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if (DATABASE_DRIVER == DRIVER_MYSQL50) |
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{ |
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if (extension_loaded('mysqli')) |
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{ |
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mysqli_query($this->link, 'commit'); |
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} |
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else |
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{ |
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mysql_query('commit', $this->link); |
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} |
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} |
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elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
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{ |
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sqlsrv_commit($this->link); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
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{ |
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dbx_query($this->link, 'commit'); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
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{ |
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pg_query($this->link, 'commit'); |
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} |
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else |
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{ |
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debug_write_log(DEBUG_WARNING, '[CDatabase::commit] Unknown database driver.'); |
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return FALSE; |
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} |
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$this->is_transaction = FALSE; |
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return TRUE; |
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} |
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/** |
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* Rolls back current transaction. |
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* |
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* @return bool TRUE if transaction is rolled back successfully, FALSE otherwise. |
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*/ |
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View Code Duplication |
public function rollback () |
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{ |
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if (!$this->is_transaction) |
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{ |
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debug_write_log(DEBUG_WARNING, '[CDatabase::rollback] No active transactions.'); |
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return FALSE; |
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} |
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if (DATABASE_DRIVER == DRIVER_MYSQL50) |
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{ |
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if (extension_loaded('mysqli')) |
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{ |
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mysqli_query($this->link, 'rollback'); |
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} |
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else |
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{ |
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mysql_query('rollback', $this->link); |
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} |
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} |
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elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
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{ |
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sqlsrv_rollback($this->link); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
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{ |
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dbx_query($this->link, 'rollback'); |
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} |
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elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
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{ |
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pg_query($this->link, 'rollback'); |
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} |
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else |
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{ |
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debug_write_log(DEBUG_WARNING, '[CDatabase::rollback] Unknown database driver.'); |
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return FALSE; |
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} |
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$this->is_transaction = FALSE; |
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return TRUE; |
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} |
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} |
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|
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//------------------------------------------------------------------------------ |
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// DAL recordset. |
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//------------------------------------------------------------------------------ |
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|
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/** |
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* DAL recordset. |
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* |
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* The class implements DAL recordset and several functions to work with. |
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* The implementation is universal and doesn't depend on type of database. |
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* |
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* @package Engine |
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* @subpackage DAL |
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*/ |
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class CRecordset |
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{ |
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/**#@+ |
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* @ignore For internal use only. |
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*/ |
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private $handle; // [resource] connection |
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private $result; // [resource] query result |
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private $resptr; // [int] recordset cursor (number of current record from 0) |
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|
/**#@-*/ |
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|
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/** |
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* Number of rows in resulted recordset (read-only). |
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* @var int |
385
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|
|
*/ |
386
|
|
|
protected $rows; |
387
|
|
|
|
388
|
|
|
/** |
389
|
|
|
* Number of columns in resulted recordset (read-only). |
390
|
|
|
* @var int |
391
|
|
|
*/ |
392
|
|
|
protected $cols; |
393
|
|
|
|
394
|
|
|
/** |
395
|
|
|
* Executes specified query and constructs itself as resulted recordset. |
396
|
|
|
* |
397
|
|
|
* @param string $sql SQL-query being executed. |
398
|
|
|
*/ |
399
|
|
|
public function __construct ($sql) |
400
|
|
|
{ |
401
|
|
|
$this->handle = CDatabase::connect()->link; |
|
|
|
|
402
|
|
|
$this->result = FALSE; |
403
|
|
|
$this->resptr = 0; |
404
|
|
|
$this->rows = 0; |
405
|
|
|
$this->cols = 0; |
406
|
|
|
|
407
|
|
|
list($msec, $sec) = explode(' ', microtime()); |
408
|
|
|
$start = (float)$msec + (float)$sec; |
409
|
|
|
|
410
|
|
|
if (DATABASE_DRIVER == DRIVER_MYSQL50) |
411
|
|
|
{ |
412
|
|
|
if (extension_loaded('mysqli')) |
413
|
|
|
{ |
414
|
|
|
$this->result = mysqli_query($this->handle, $sql); |
415
|
|
|
|
416
|
|
|
if (is_object($this->result)) |
417
|
|
|
{ |
418
|
|
|
$this->rows = $this->result->num_rows; |
419
|
|
|
$this->cols = $this->result->field_count; |
420
|
|
|
} |
421
|
|
|
} |
422
|
|
|
else |
423
|
|
|
{ |
424
|
|
|
$this->result = mysql_query($sql, $this->handle); |
425
|
|
|
|
426
|
|
|
if (is_resource($this->result)) |
427
|
|
|
{ |
428
|
|
|
$this->rows = mysql_num_rows($this->result); |
429
|
|
|
$this->cols = mysql_num_fields($this->result); |
430
|
|
|
} |
431
|
|
|
} |
432
|
|
|
} |
433
|
|
|
elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
434
|
|
|
{ |
435
|
|
|
$this->result = sqlsrv_query($this->handle, $sql, NULL, array('Scrollable' => SQLSRV_CURSOR_STATIC)); |
436
|
|
|
|
437
|
|
|
if (is_resource($this->result)) |
438
|
|
|
{ |
439
|
|
|
$this->rows = sqlsrv_num_rows($this->result); |
440
|
|
|
$this->cols = sqlsrv_num_fields($this->result); |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
$this->resptr = -1; |
444
|
|
|
} |
445
|
|
|
elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
446
|
|
|
{ |
447
|
|
|
$this->result = dbx_query($this->handle, $sql, DBX_COLNAMES_LOWERCASE); |
448
|
|
|
|
449
|
|
|
if (is_object($this->result)) |
450
|
|
|
{ |
451
|
|
|
$this->rows = $this->result->rows; |
452
|
|
|
$this->cols = $this->result->cols; |
453
|
|
|
} |
454
|
|
|
} |
455
|
|
|
elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
456
|
|
|
{ |
457
|
|
|
$this->result = pg_query($this->handle, $sql); |
458
|
|
|
|
459
|
|
|
if (is_resource($this->result)) |
460
|
|
|
{ |
461
|
|
|
$this->rows = pg_num_rows($this->result); |
462
|
|
|
$this->cols = pg_num_fields($this->result); |
463
|
|
|
} |
464
|
|
|
} |
465
|
|
|
else |
466
|
|
|
{ |
467
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::__construct] Unknown database driver.'); |
468
|
|
|
} |
469
|
|
|
|
470
|
|
|
list($msec, $sec) = explode(' ', microtime()); |
471
|
|
|
$stop = (float)$msec + (float)$sec; |
472
|
|
|
|
473
|
|
|
debug_write_log(DEBUG_DUMP, 'SQL text = ' . $sql); |
474
|
|
|
debug_write_log(DEBUG_PERFORMANCE, 'SQL time = ' . ($stop - $start)); |
475
|
|
|
|
476
|
|
|
if (!$this->result) |
477
|
|
|
{ |
478
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::__construct] ' . $this->error()); |
479
|
|
|
} |
480
|
|
|
} |
481
|
|
|
|
482
|
|
|
/** |
483
|
|
|
* Frees all resources associated with the recordset. |
484
|
|
|
*/ |
485
|
|
View Code Duplication |
public function __destruct() |
|
|
|
|
486
|
|
|
{ |
487
|
|
|
if (is_resource($this->result)) |
488
|
|
|
{ |
489
|
|
|
if (DATABASE_DRIVER == DRIVER_MYSQL50) |
490
|
|
|
{ |
491
|
|
|
if (extension_loaded('mysqli')) |
492
|
|
|
{ |
493
|
|
|
mysqli_free_result($this->result); |
494
|
|
|
} |
495
|
|
|
else |
496
|
|
|
{ |
497
|
|
|
mysql_free_result($this->result); |
498
|
|
|
} |
499
|
|
|
} |
500
|
|
|
elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
501
|
|
|
{ |
502
|
|
|
sqlsrv_free_stmt($this->result); |
503
|
|
|
} |
504
|
|
|
elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
505
|
|
|
{ |
506
|
|
|
// nothing to do in case of DBX |
507
|
|
|
} |
508
|
|
|
elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
509
|
|
|
{ |
510
|
|
|
pg_free_result($this->result); |
511
|
|
|
} |
512
|
|
|
else |
513
|
|
|
{ |
514
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::__destruct] Unknown database driver.'); |
515
|
|
|
} |
516
|
|
|
} |
517
|
|
|
} |
518
|
|
|
|
519
|
|
|
/** |
520
|
|
|
* @ignore |
521
|
|
|
*/ |
522
|
|
|
public function __get ($name) |
523
|
|
|
{ |
524
|
|
|
switch ($name) |
525
|
|
|
{ |
526
|
|
|
case 'rows': return $this->rows; |
527
|
|
|
case 'cols': return $this->cols; |
528
|
|
|
default: return NULL; |
529
|
|
|
} |
530
|
|
|
} |
531
|
|
|
|
532
|
|
|
/** |
533
|
|
|
* Returns error message of last operation. |
534
|
|
|
* |
535
|
|
|
* @return string Error message of last operation, or NULL on failure. |
536
|
|
|
*/ |
537
|
|
|
public function error () |
538
|
|
|
{ |
539
|
|
|
if (DATABASE_DRIVER == DRIVER_MYSQL50) |
540
|
|
|
{ |
541
|
|
|
if (extension_loaded('mysqli')) |
542
|
|
|
{ |
543
|
|
|
$errno = mysqli_errno($this->handle); |
544
|
|
|
$error = mysqli_error($this->handle); |
545
|
|
|
} |
546
|
|
|
else |
547
|
|
|
{ |
548
|
|
|
$errno = mysql_errno($this->handle); |
549
|
|
|
$error = mysql_error($this->handle); |
550
|
|
|
} |
551
|
|
|
$retval = "MySQL error {$errno}: {$error}"; |
552
|
|
|
} |
553
|
|
|
elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
554
|
|
|
{ |
555
|
|
|
$error = sqlsrv_errors(SQLSRV_ERR_ALL); |
556
|
|
|
$retval = (is_null($error) |
557
|
|
|
? NULL |
558
|
|
|
: "MSSQL error {$error[0]['code']}: {$error[0]['message']}"); |
559
|
|
|
} |
560
|
|
|
elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
561
|
|
|
{ |
562
|
|
|
$error = ocierror($this->handle->handle); |
563
|
|
|
$retval = "Oracle error {$error['code']}: {$error['message']}"; |
564
|
|
|
} |
565
|
|
|
elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
566
|
|
|
{ |
567
|
|
|
$error = pg_last_error($this->handle); |
568
|
|
|
$retval = "PostgreSQL error: {$error}"; |
569
|
|
|
} |
570
|
|
|
else |
571
|
|
|
{ |
572
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::error] Unknown database driver.'); |
573
|
|
|
return NULL; |
574
|
|
|
} |
575
|
|
|
|
576
|
|
|
return $retval; |
577
|
|
|
} |
578
|
|
|
|
579
|
|
|
/** |
580
|
|
|
* Moves cursor to specified record. |
581
|
|
|
* |
582
|
|
|
* @param int $row_number Number of record, zero-based. |
583
|
|
|
* @return bool TRUE on success, FALSE otherwise. |
584
|
|
|
*/ |
585
|
|
|
public function seek ($row_number = 0) |
586
|
|
|
{ |
587
|
|
|
if (!$this->result) |
588
|
|
|
{ |
589
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::seek] No stored recordset.'); |
590
|
|
|
return FALSE; |
591
|
|
|
} |
592
|
|
|
|
593
|
|
|
if ($row_number < 0 || $row_number >= $this->rows) |
594
|
|
|
{ |
595
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::seek] Row number is out of stored recordset.'); |
596
|
|
|
return FALSE; |
597
|
|
|
} |
598
|
|
|
|
599
|
|
|
if (DATABASE_DRIVER == DRIVER_MYSQL50) |
600
|
|
|
{ |
601
|
|
|
if (extension_loaded('mysqli')) |
602
|
|
|
{ |
603
|
|
|
$retval = mysqli_data_seek($this->result, $row_number); |
604
|
|
|
} |
605
|
|
|
else |
606
|
|
|
{ |
607
|
|
|
$retval = mysql_data_seek($this->result, $row_number); |
608
|
|
|
} |
609
|
|
|
} |
610
|
|
|
elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
611
|
|
|
{ |
612
|
|
|
$this->resptr = $row_number; |
613
|
|
|
$retval = TRUE; |
614
|
|
|
} |
615
|
|
|
elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
616
|
|
|
{ |
617
|
|
|
$this->resptr = $row_number; |
618
|
|
|
$retval = TRUE; |
619
|
|
|
} |
620
|
|
|
elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
621
|
|
|
{ |
622
|
|
|
$retval = pg_result_seek($this->result, $row_number); |
623
|
|
|
} |
624
|
|
|
else |
625
|
|
|
{ |
626
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::seek] Unknown database driver.'); |
627
|
|
|
return FALSE; |
628
|
|
|
} |
629
|
|
|
|
630
|
|
|
if (!$retval) |
631
|
|
|
{ |
632
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::seek] ' . $this->error()); |
633
|
|
|
} |
634
|
|
|
|
635
|
|
|
return $retval; |
636
|
|
|
} |
637
|
|
|
|
638
|
|
|
/** |
639
|
|
|
* Returns next record from recordset. |
640
|
|
|
* |
641
|
|
|
* Returns the record for current cursor and then moves cursor forward to the next one. |
642
|
|
|
* The record is returned as array with two sets of keys - one set is zero-based indexes, another is names of record fields. |
643
|
|
|
* |
644
|
|
|
* @param int|string $field Optional field name or zero-based index. |
645
|
|
|
* @return mixed|array If <i>field</i> is not specified, returns whole record as an array, or FALSE if there is no more record to return. |
646
|
|
|
* If <i>field</i> is specified, then returns value of specified field (it could be both zero-based index, or field name). |
647
|
|
|
* |
648
|
|
|
* Example #1: |
649
|
|
|
* <code> |
650
|
|
|
* $rs = new CRecordset("select my_id, my_field from my_table"); |
651
|
|
|
* |
652
|
|
|
* while ($row = $rs->fetch()) |
653
|
|
|
* { |
654
|
|
|
* printf("%u\t%s\n", $row["my_id"], $row["my_field"]); |
655
|
|
|
* } |
656
|
|
|
* </code> |
657
|
|
|
* |
658
|
|
|
* Example #2: |
659
|
|
|
* <code> |
660
|
|
|
* $rs = new CRecordset("select count(*) from my_table"); |
661
|
|
|
* echo($rs->fetch(0)); |
662
|
|
|
* </code> |
663
|
|
|
*/ |
664
|
|
|
public function fetch ($field = NULL) |
665
|
|
|
{ |
666
|
|
|
if (!$this->result) |
667
|
|
|
{ |
668
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::fetch] No stored recordset.'); |
669
|
|
|
return FALSE; |
670
|
|
|
} |
671
|
|
|
|
672
|
|
|
if (DATABASE_DRIVER == DRIVER_MYSQL50) |
673
|
|
|
{ |
674
|
|
|
if (extension_loaded('mysqli')) |
675
|
|
|
{ |
676
|
|
|
$retval = mysqli_fetch_array($this->result, MYSQLI_BOTH); |
677
|
|
|
} |
678
|
|
|
else |
679
|
|
|
{ |
680
|
|
|
$retval = mysql_fetch_array($this->result, MYSQL_BOTH); |
681
|
|
|
} |
682
|
|
|
} |
683
|
|
|
elseif (DATABASE_DRIVER == DRIVER_MSSQL2K) |
684
|
|
|
{ |
685
|
|
|
if ($this->resptr == -1) |
686
|
|
|
{ |
687
|
|
|
$retval = sqlsrv_fetch_array($this->result, SQLSRV_FETCH_BOTH, SQLSRV_SCROLL_NEXT); |
688
|
|
|
} |
689
|
|
|
else |
690
|
|
|
{ |
691
|
|
|
$retval = sqlsrv_fetch_array($this->result, SQLSRV_FETCH_BOTH, SQLSRV_SCROLL_ABSOLUTE, $this->resptr); |
692
|
|
|
$this->resptr = -1; |
693
|
|
|
} |
694
|
|
|
} |
695
|
|
|
elseif (DATABASE_DRIVER == DRIVER_ORACLE9) |
696
|
|
|
{ |
697
|
|
|
if ($this->resptr == $this->result->rows) |
698
|
|
|
{ |
699
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::fetch] No more rows to return.'); |
700
|
|
|
return FALSE; |
701
|
|
|
} |
702
|
|
|
|
703
|
|
|
$retval = $this->result->data[$this->resptr++]; |
704
|
|
|
} |
705
|
|
|
elseif (DATABASE_DRIVER == DRIVER_PGSQL80) |
706
|
|
|
{ |
707
|
|
|
$retval = pg_fetch_array($this->result); |
708
|
|
|
} |
709
|
|
|
else |
710
|
|
|
{ |
711
|
|
|
debug_write_log(DEBUG_WARNING, '[CRecordset::fetch] Unknown database driver.'); |
712
|
|
|
return FALSE; |
713
|
|
|
} |
714
|
|
|
|
715
|
|
|
if (!is_array($retval)) |
716
|
|
|
{ |
717
|
|
|
return NULL; |
718
|
|
|
} |
719
|
|
|
|
720
|
|
|
return (is_null($field) ? $retval : $retval[$field]); |
721
|
|
|
} |
722
|
|
|
} |
723
|
|
|
|
724
|
|
|
//------------------------------------------------------------------------------ |
725
|
|
|
// Functions. |
726
|
|
|
//------------------------------------------------------------------------------ |
727
|
|
|
|
728
|
|
|
/** |
729
|
|
|
* Executes specified SQL-file from "sql" eTraxis directory. |
730
|
|
|
* |
731
|
|
|
* The function accepts variable number of arguments. It opens specified SQL-file and replaces each "%i" |
732
|
|
|
* (where <i>i</i> is a natural number) substring with related additional argument. |
733
|
|
|
* |
734
|
|
|
* @param string $query Path to file with SQL-query (path is related to "sql" directory). |
735
|
|
|
* @param mixed Value, which each "%1" substring will be replaced with. |
736
|
|
|
* @param mixed Value, which each "%2" substring will be replaced with. |
737
|
|
|
* @param mixed ... (and so on) |
738
|
|
|
* @return CRecordset Resulted {@link CRecordset DAL recordset}. |
739
|
|
|
* |
740
|
|
|
* Example of usage: |
741
|
|
|
* <code> |
742
|
|
|
* $rs = dal_query("accounts/list.sql", "username"); |
743
|
|
|
* |
744
|
|
|
* while ($row = $rs->fetch()) |
745
|
|
|
* { |
746
|
|
|
* foreach ($row as $item) |
747
|
|
|
* { |
748
|
|
|
* echo("$item\t"); |
749
|
|
|
* } |
750
|
|
|
* |
751
|
|
|
* echo("\n"); |
752
|
|
|
* } |
753
|
|
|
* </code> |
754
|
|
|
*/ |
755
|
|
|
function dal_query ($query) |
756
|
|
|
{ |
757
|
|
|
debug_write_log(DEBUG_TRACE, '[dal_query] ' . $query); |
758
|
|
|
|
759
|
|
|
$sql = file_get_contents(LOCALROOT . '/sql/' . $query); |
760
|
|
|
$sql = str_replace("\n", ' ', $sql); |
761
|
|
|
$sql = preg_replace('([ ]+)', ' ', $sql); |
762
|
|
|
|
763
|
|
|
if (DATABASE_DRIVER == DRIVER_ORACLE9) |
764
|
|
|
{ |
765
|
|
|
$pos = ustrrpos($sql, 'order by'); |
766
|
|
|
|
767
|
|
|
if ($pos !== FALSE) |
768
|
|
|
{ |
769
|
|
|
$sql = usubstr($sql, 0, $pos) . preg_replace('(\s[a-z]+\.)', ' ', usubstr($sql, $pos)); |
770
|
|
|
} |
771
|
|
|
} |
772
|
|
|
|
773
|
|
|
$count = func_num_args() - 1; |
774
|
|
|
|
775
|
|
|
for ($i = $count; $i >= 1; $i--) |
776
|
|
|
{ |
777
|
|
|
$search = '%' . $i; |
778
|
|
|
$replace = func_get_arg($i); |
779
|
|
|
|
780
|
|
|
if (strpos($sql, "'{$search}'") === FALSE) |
781
|
|
|
{ |
782
|
|
|
if (is_null($replace)) |
783
|
|
|
{ |
784
|
|
|
$replace = 'NULL'; |
785
|
|
|
} |
786
|
|
|
} |
787
|
|
|
else |
788
|
|
|
{ |
789
|
|
|
if (is_null($replace)) |
790
|
|
|
{ |
791
|
|
|
$search = "'{$search}'"; |
792
|
|
|
$replace = 'NULL'; |
793
|
|
|
} |
794
|
|
|
else |
795
|
|
|
{ |
796
|
|
|
$replace = ustr2sql($replace); |
797
|
|
|
} |
798
|
|
|
} |
799
|
|
|
|
800
|
|
|
$sql = ustr_replace($search, $replace, $sql); |
801
|
|
|
} |
802
|
|
|
|
803
|
|
|
return new CRecordset($sql); |
804
|
|
|
} |
805
|
|
|
|
806
|
|
|
/** |
807
|
|
|
* Starts transaction. |
808
|
|
|
* |
809
|
|
|
* @return bool TRUE if transaction is started successfully, FALSE otherwise. |
810
|
|
|
*/ |
811
|
|
|
function dal_transaction_start () |
812
|
|
|
{ |
813
|
|
|
debug_write_log(DEBUG_TRACE, '[dal_transaction_start]'); |
814
|
|
|
|
815
|
|
|
return CDatabase::connect()->transaction(); |
816
|
|
|
} |
817
|
|
|
|
818
|
|
|
/** |
819
|
|
|
* Commits or rolls back current transaction. |
820
|
|
|
* |
821
|
|
|
* @param bool $commit TRUE if transaction must be committed, FALSE - rolled back. |
822
|
|
|
* @return bool TRUE if transaction is stopped successfully, FALSE otherwise. |
823
|
|
|
*/ |
824
|
|
|
function dal_transaction_stop ($commit) |
825
|
|
|
{ |
826
|
|
|
debug_write_log(DEBUG_TRACE, '[dal_transaction_stop] ' . $commit); |
827
|
|
|
|
828
|
|
|
return ($commit ? CDatabase::connect()->commit() |
829
|
|
|
: CDatabase::connect()->rollback()); |
830
|
|
|
} |
831
|
|
|
|
832
|
|
|
?> |
|
|
|
|
833
|
|
|
|
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..