126 lines
3.6 KiB
PHP
126 lines
3.6 KiB
PHP
<?php
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/*
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* 2007-2016 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 2007-2016 PrestaShop SA
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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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abstract class Db extends DbCore
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{
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/**
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* Add SQL_NO_CACHE in SELECT queries
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*
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* @var bool
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*/
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public $disableCache = true;
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/**
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* Total of queries
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*
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* @var int
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*/
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public $count = 0;
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/**
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* List of queries
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*
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* @var array
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*/
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public $queries = array();
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/**
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* List of uniq queries (replace numbers by XX)
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*
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* @var array
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*/
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public $uniqQueries = array();
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/**
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* List of tables
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*
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* @var array
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*/
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public $tables = array();
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/**
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* Execute the query and log some informations
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*
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* @see DbCore::query()
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*/
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public function query($sql)
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{
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$explain = false;
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if (preg_match('/^\s*explain\s+/i', $sql) || strpos($sql, _DB_PREFIX_.'modules_perfs')) {
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$explain = true;
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}
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if (!$explain) {
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$uniqSql = preg_replace('/[\'"][a-f0-9]{32}[\'"]/', '<span style="color:blue">XX</span>', $sql);
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$uniqSql = preg_replace('/[0-9]+/', '<span style="color:blue">XX</span>', $uniqSql);
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if (!isset($this->uniqQueries[$uniqSql])) {
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$this->uniqQueries[$uniqSql] = 0;
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}
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$this->uniqQueries[$uniqSql]++;
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// No cache for query
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if ($this->disableCache && !stripos($sql, 'SQL_NO_CACHE')) {
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$sql = preg_replace('/^\s*select\s+/i', 'SELECT SQL_NO_CACHE ', trim($sql));
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}
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// Get tables in query
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preg_match_all('/(from|join)\s+`?'._DB_PREFIX_.'([a-z0-9_-]+)/ui', $sql, $matches);
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foreach ($matches[2] as $table) {
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if (!isset($this->tables[$table])) {
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$this->tables[$table] = 0;
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}
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$this->tables[$table]++;
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}
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$start = microtime(true);
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}
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// Execute query
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$result = parent::query($sql);
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if (!$explain) {
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$end = microtime(true);
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$stack = debug_backtrace(false);
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while (preg_match('@[/\\\\]classes[/\\\\]db[/\\\\]@i', $stack[0]['file'])) {
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array_shift($stack);
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}
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$stack_light = array();
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foreach ($stack as $call) {
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$stack_light[] = array('file' => isset($call['file']) ? $call['file'] : 'undefined', 'line' => isset($call['line']) ? $call['line'] : 'undefined');
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}
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$this->queries[] = array(
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'query' => $sql,
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'time' => $end - $start,
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'stack' => $stack_light
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);
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}
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return $result;
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}
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}
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