2016-10-10 15:24:25 +02:00

121 lines
2.7 KiB
PHP
Executable File

<?php
/*
* 2007-2013 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 2007-2013 PrestaShop SA
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
abstract class Db extends DbCore
{
/**
* Add SQL_NO_CACHE in SELECT queries
*
* @var unknown_type
*/
public $disableCache = true;
/**
* Total of queries
*
* @var int
*/
public $count = 0;
/**
* List of queries
*
* @var array
*/
public $queries = array();
/**
* List of uniq queries (replace numbers by XX)
*
* @var array
*/
public $uniqQueries = array();
/**
* List of tables
*
* @var array
*/
public $tables = array();
/**
* Execute the query and log some informations
*
* @see DbCore::query()
*/
public function query($sql)
{
$explain = false;
if (preg_match('/^\s*explain\s+/i', $sql))
$explain = true;
if (!$explain)
{
$uniqSql = preg_replace('/[0-9]+/', '<span style="color:blue">XX</span>', $sql);
if (!isset($this->uniqQueries[$uniqSql]))
$this->uniqQueries[$uniqSql] = 0;
$this->uniqQueries[$uniqSql]++;
// No cache for query
if ($this->disableCache)
$sql = preg_replace('/^\s*select\s+/i', 'SELECT SQL_NO_CACHE ', trim($sql));
// Get tables in quer
preg_match_all('/(from|join)\s+`?'._DB_PREFIX_.'([a-z0-9_-]+)/ui', $sql, $matches);
foreach ($matches[2] as $table)
{
if (!isset($this->tables[$table]))
$this->tables[$table] = 0;
$this->tables[$table]++;
}
// Execute query
$start = microtime(true);
}
$result = parent::query($sql);
if (!$explain)
{
$end = microtime(true);
// Save details
$timeSpent = $end - $start;
$trace = debug_backtrace(false);
while (preg_match('@[/\\\\]classes[/\\\\]db[/\\\\]@i', $trace[0]['file']))
array_shift($trace);
$this->queries[] = array(
'query' => $sql,
'time' => $timeSpent,
'file' => $trace[0]['file'],
'line' => $trace[0]['line'],
);
}
return $result;
}
}