286 lines
7.7 KiB
PHP
286 lines
7.7 KiB
PHP
<?php
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/*
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* 2007-2011 PrestaShop
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*
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* NOTICE OF LICENSE
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*
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* This source file is subject to the Open Software License (OSL 3.0)
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* that is bundled with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://opensource.org/licenses/osl-3.0.php
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@prestashop.com so we can send you a copy immediately.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please refer to http://www.prestashop.com for more information.
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*
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* @author PrestaShop SA <contact@prestashop.com>
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* @copyright 2007-2011 PrestaShop SA
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* @version Release: $Revision: 6856 $
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
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* International Registered Trademark & Property of PrestaShop SA
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*/
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class MySQLCore extends Db
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{
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public function connect()
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{
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if (!defined('_PS_DEBUG_SQL_'))
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define('_PS_DEBUG_SQL_', false);
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if ($this->_link = mysql_connect($this->_server, $this->_user, $this->_password))
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{
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if(!$this->set_db($this->_database))
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die(Tools::displayError('The database selection cannot be made.'));
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}
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else
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die(Tools::displayError('Link to database cannot be established.'));
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/* UTF-8 support */
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if (!mysql_query('SET NAMES \'utf8\'', $this->_link))
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die(Tools::displayError('PrestaShop Fatal error: no utf-8 support. Please check your server configuration.'));
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// removed SET GLOBAL SQL_MODE : we can't do that (see PSCFI-1548)
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return $this->_link;
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}
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/* do not remove, useful for some modules */
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public function set_db($db_name) {
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return mysql_select_db($db_name, $this->_link);
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}
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public function disconnect()
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{
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if ($this->_link)
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@mysql_close($this->_link);
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$this->_link = false;
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}
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public function getRow($query, $use_cache = 1)
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{
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$query .= ' LIMIT 1';
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$this->_result = false;
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$this->_lastQuery = $query;
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if($use_cache AND _PS_CACHE_ENABLED_)
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if ($result = Cache::getInstance()->get(md5($query)))
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{
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$this->_lastCached = true;
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return $result;
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}
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if ($this->_link)
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if ($this->_result = mysql_query($query, $this->_link))
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{
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$this->_lastCached = false;
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if (_PS_DEBUG_SQL_)
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$this->displayMySQLError($query);
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$result = mysql_fetch_assoc($this->_result);
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if ($use_cache = 1 AND _PS_CACHE_ENABLED_)
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Cache::getInstance()->setQuery($query, $result);
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return $result;
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}
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if (_PS_DEBUG_SQL_)
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$this->displayMySQLError($query);
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return false;
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}
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public function getValue($query, $use_cache = 1)
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{
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$query .= ' LIMIT 1';
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$this->_result = false;
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$this->_lastQuery = $query;
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if ($use_cache AND _PS_CACHE_ENABLED_)
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if ($result = Cache::getInstance()->get(md5($query)))
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{
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$this->_lastCached = true;
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return $result;
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}
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if ($this->_link AND $this->_result = mysql_query($query, $this->_link) AND is_array($tmpArray = mysql_fetch_assoc($this->_result)))
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{
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$this->_lastCached = false;
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$result = array_shift($tmpArray);
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if($use_cache AND _PS_CACHE_ENABLED_)
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Cache::getInstance()->setQuery($query, $result);
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return $result;
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}
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return false;
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}
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public function Execute($query, $use_cache = 1)
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{
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$this->_result = false;
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if ($this->_link)
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{
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$this->_result = mysql_query($query, $this->_link);
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if (_PS_DEBUG_SQL_)
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$this->displayMySQLError($query);
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if ($use_cache AND _PS_CACHE_ENABLED_)
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Cache::getInstance()->deleteQuery($query);
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return $this->_result;
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}
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if (_PS_DEBUG_SQL_)
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$this->displayMySQLError($query);
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return false;
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}
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/**
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* ExecuteS return the result of $query as array,
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* or as mysqli_result if $array set to false
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*
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* @param string $query query to execute
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* @param boolean $array return an array instead of a mysql_result object
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* @param int $use_cache if query has been already executed, use its result
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* @return array or result object
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*/
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public function ExecuteS($query, $array = true, $use_cache = 1)
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{
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$this->_result = false;
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$this->_lastQuery = $query;
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if ($use_cache AND _PS_CACHE_ENABLED_)
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if ($array AND ($result = Cache::getInstance()->get(md5($query))))
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{
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$this->_lastCached = true;
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return $result;
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}
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if ($this->_link && $this->_result = mysql_query($query, $this->_link))
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{
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$this->_lastCached = false;
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if (_PS_DEBUG_SQL_)
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$this->displayMySQLError($query);
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if (!$array)
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return $this->_result;
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$resultArray = array();
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// Only SELECT queries and a few others return a valid resource usable with mysql_fetch_assoc
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if ($this->_result !== true)
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while ($row = mysql_fetch_assoc($this->_result))
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$resultArray[] = $row;
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if ($use_cache AND _PS_CACHE_ENABLED_)
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Cache::getInstance()->setQuery($query, $resultArray);
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return $resultArray;
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}
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if (_PS_DEBUG_SQL_)
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$this->displayMySQLError($query);
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return false;
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}
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public function nextRow($result = false)
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{
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return mysql_fetch_assoc($result ? $result : $this->_result);
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}
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public function delete($table, $where = false, $limit = false, $use_cache = 1)
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{
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$this->_result = false;
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if ($this->_link)
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{
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$query = 'DELETE FROM `'.pSQL($table).'`'.($where ? ' WHERE '.$where : '').($limit ? ' LIMIT '.(int)($limit) : '');
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$res = mysql_query($query, $this->_link);
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if ($use_cache AND _PS_CACHE_ENABLED_)
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Cache::getInstance()->deleteQuery($query);
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return $res;
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}
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return false;
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}
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public function NumRows()
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{
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if (!$this->_lastCached AND $this->_link AND $this->_result)
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{
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$nrows = mysql_num_rows($this->_result);
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if (_PS_CACHE_ENABLED_)
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Cache::getInstance()->setNumRows(md5($this->_lastQuery), $nrows);
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return $nrows;
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}
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elseif (_PS_CACHE_ENABLED_ AND $this->_lastCached)
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{
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return Cache::getInstance()->getNumRows(md5($this->_lastQuery));
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}
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}
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public function Insert_ID()
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{
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if ($this->_link)
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return mysql_insert_id($this->_link);
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return false;
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}
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public function Affected_Rows()
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{
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if ($this->_link)
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return mysql_affected_rows($this->_link);
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return false;
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}
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protected function q($query, $use_cache = 1)
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{
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global $webservice_call;
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$this->_result = false;
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if ($this->_link)
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{
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$result = mysql_query($query, $this->_link);
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$this->_lastQuery = $query;
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if ($webservice_call)
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$this->displayMySQLError($query);
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if ($use_cache AND _PS_CACHE_ENABLED_)
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Cache::getInstance()->deleteQuery($query);
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return $result;
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}
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return false;
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}
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/**
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* Returns the text of the error message from previous MySQL operation
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*
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* @acces public
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* @return string error
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*/
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public function getMsgError($query = false)
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{
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return mysql_error();
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}
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public function getNumberError()
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{
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return mysql_errno();
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}
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public function displayMySQLError($query = false)
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{
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global $webservice_call;
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if ($webservice_call && mysql_errno())
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{
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WebserviceRequest::getInstance()->setError(500, '[SQL Error] '.mysql_error().'. Query was : '.$query, 97);
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}
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elseif (_PS_DEBUG_SQL_ AND mysql_errno() AND !defined('PS_INSTALLATION_IN_PROGRESS'))
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{
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if ($query)
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{
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die(Tools::displayError(mysql_error().'<br /><br /><pre>'.$query.'</pre>'));
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}
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die(Tools::displayError((mysql_error())));
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}
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}
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static public function tryToConnect($server, $user, $pwd, $db)
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{
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if (!$link = @mysql_connect($server, $user, $pwd))
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return 1;
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if (!@mysql_select_db($db, $link))
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return 2;
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@mysql_close($link);
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return 0;
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}
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static public function tryUTF8($server, $user, $pwd)
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{
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$link = @mysql_connect($server, $user, $pwd);
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if (!mysql_query('SET NAMES \'utf8\'', $link))
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$ret = false;
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else
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$ret = true;
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@mysql_close($link);
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return $ret;
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}
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}
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