[+] Classes: add DbQuery class in order to build queries (usefull when working with chunks of queries)

git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@8668 b9a71923-0436-4b27-9f14-aed3839534dd
2011-09-20 16:14:19 +00:00
parent 92cc465a3c
commit 95233f9df5
13 changed files with 260 additions and 217 deletions
@@ -0,0 +1,159 @@
+<?php
+/*
+* 2007-2011 PrestaShop 
+*
+* NOTICE OF LICENSE
+*
+* This source file is subject to the Open Software License (OSL 3.0)
+* that is bundled with this package in the file LICENSE.txt.
+* It is also available through the world-wide-web at this URL:
+* http://opensource.org/licenses/osl-3.0.php
+* 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 license@prestashop.com so we can send you a copy immediately.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please refer to http://www.prestashop.com for more information.
+*
+*  @author PrestaShop SA <contact@prestashop.com>
+*  @copyright  2007-2011 PrestaShop SA
+*  @version  Release: $Revision: 6856 $
+*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*/
+
+class MySQLCore extends Db
+{
+	/**
+	 * @see DbCore::connect()
+	 */
+	public function	connect()
+	{
+		if (!defined('_PS_MYSQL_REAL_ESCAPE_STRING_'))
+			define('_PS_MYSQL_REAL_ESCAPE_STRING_', function_exists('mysql_real_escape_string'));
+		
+		if (!$this->_link = mysql_connect($this->_server, $this->_user, $this->_password))
+			die(Tools::displayError('Link to database cannot be established.'));
+
+		if (!$this->set_db($this->_database))
+			die(Tools::displayError('The database selection cannot be made.'));
+
+		// UTF-8 support
+		if (!mysql_query('SET NAMES \'utf8\'', $this->_link))
+			die(Tools::displayError('PrestaShop Fatal error: no utf-8 support. Please check your server configuration.'));
+
+		return $this->_link;
+	}
+
+	/**
+	 * @see DbCore::disconnect()
+	 */
+	public function	disconnect()
+	{
+		mysql_close($this->_link);
+	}
+	
+	/**
+	 * @see DbCore::_query()
+	 */
+	protected function _query($sql)
+	{
+		return mysql_query($sql, $this->_link);
+	}
+
+	/**
+	 * @see DbCore::nextRow()
+	 */
+	public function nextRow($result = false)
+	{
+		return mysql_fetch_assoc($result ? $result : $this->_result);
+	}
+	
+	/**
+	 * @see DbCore::_numRows()
+	 */
+	protected function _numRows($result)
+	{
+		return mysql_num_rows($result);
+	}
+	
+	/**
+	 * @see DbCore::Insert_ID()
+	 */
+	public function	Insert_ID()
+	{
+		return mysql_insert_id($this->_link);
+	}
+
+	/**
+	 * @see DbCore::Affected_Rows()
+	 */
+	public function	Affected_Rows()
+	{
+		return mysql_affected_rows($this->_link);
+	}
+
+	/**
+	 * @see DbCore::getMsgError()
+	 */
+	public function getMsgError($query = false)
+	{
+		return mysql_error($this->_link);
+	}
+
+	/**
+	 * @see DbCore::getNumberError()
+	 */
+	public function getNumberError()
+	{
+		return mysql_errno($this->_link);
+	}
+	
+	/**
+	 * @see DbCore::getVersion()
+	 */
+	public function getVersion()
+	{
+		return mysql_get_server_info($this->_link);
+	}
+	
+	/**
+	 * @see DbCore::_escape()
+	 */
+	public function _escape($str)
+	{
+		return _PS_MYSQL_REAL_ESCAPE_STRING_ ? mysql_real_escape_string($str, $this->_link) : addslashes($str);
+	}
+	
+	/**
+	 * @see DbCore::set_db()
+	 */
+	public function set_db($db_name)
+	{
+		return mysql_select_db($db_name, $this->_link);
+	}
+
+	public static function tryToConnect($server, $user, $pwd, $db, $newDbLink = true)
+	{
+		if (!$link = @mysql_connect($server, $user, $pwd, $newDbLink))
+			return 1;
+		if (!@mysql_select_db($db, $link))
+			return 2;
+		@mysql_close($link);
+		return 0;
+	}
+
+	static public function tryUTF8($server, $user, $pwd)
+	{
+		$link = @mysql_connect($server, $user, $pwd);
+		if (!mysql_query('SET NAMES \'utf8\'', $link))
+			$ret = false;
+		else
+			$ret = true;
+		@mysql_close($link);
+		return $ret;
+	}
+}