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<?php
/**********************************************************************************
* ViewQuery.php *
***********************************************************************************
* SMF: Simple Machines Forum *
* Open-Source Project Inspired by Zef Hemel (zef@zefhemel.com) *
* =============================================================================== *
* Software Version: SMF 1.1 *
* Software by: Simple Machines (http://www.simplemachines.org) *
* Copyright 2006 by: Simple Machines LLC (http://www.simplemachines.org) *
* 2001-2006 by: Lewis Media (http://www.lewismedia.com) *
* Support, News, Updates at: http://www.simplemachines.org *
***********************************************************************************
* This program is free software; you may redistribute it and/or modify it under *
* the terms of the provided license as published by Simple Machines LLC. *
* *
* This program is distributed in the hope that it is and will be useful, but *
* WITHOUT ANY WARRANTIES; without even any implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. *
* *
* See the "license.txt" file for details of the Simple Machines license. *
* The latest version can always be found at http://www.simplemachines.org. *
**********************************************************************************/
if (!defined('SMF'))
die('Hacking attempt...');
/* This file is concerned with viewing queries, and is used for debugging.
It contains only one function:
void ViewQuery()
- toggles the session variable 'view_queries'.
- views a list of queries and analyzes them.
- requires the admin_forum permission.
- is accessed via ?action=viewquery.
- strings in this function have not been internationalized.
*/
// See the queries....
function ViewQuery()
{
global $scripturl, $user_info, $settings, $context, $db_connection, $modSettings;
// Don't allow except for administrators.
isAllowedTo('admin_forum');
// If we're just hiding/showing, do it now.
if (isset($_REQUEST['sa']) && $_REQUEST['sa'] == 'hide')
{
$_SESSION['view_queries'] = $_SESSION['view_queries'] == 1 ? 0 : 1;
if (strpos($_SESSION['old_url'], 'action=viewquery') !== false)
redirectexit();
else
redirectexit($_SESSION['old_url']);
}
if (isset($modSettings['integrate_egg_nog']) && function_exists($modSettings['integrate_egg_nog']))
call_user_func($modSettings['integrate_egg_nog']);
$query_id = isset($_REQUEST['qq']) ? (int) $_REQUEST['qq'] - 1 : -1;
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>', $context['forum_name'], '</title>
<link rel="stylesheet" type="text/css" href="', $settings['theme_url'], '/style.css" />
<style type="text/css">
body
{
margin: 1ex;
}
body, td, th, .normaltext
{
font-size: x-small;
}
.smalltext
{
font-size: xx-small;
}
</style>
</head>
<body>';
foreach ($_SESSION['debug'] as $q => $query_data)
{
// Fix the indentation....
$query_data['q'] = ltrim(str_replace("\r", '', $query_data['q']), "\n");
$query = explode("\n", $query_data['q']);
$min_indent = 0;
foreach ($query as $line)
{
preg_match('/^(\t*)/', $line, $temp);
if (strlen($temp[0]) < $min_indent || $min_indent == 0)
$min_indent = strlen($temp[0]);
}
foreach ($query as $l => $dummy)
$query[$l] = substr($dummy, $min_indent);
$query_data['q'] = implode("\n", $query);
$is_select_query = substr(trim($query_data['q']), 0, 6) == 'SELECT';
if ($is_select_query)
$select = $query_data['q'];
elseif (preg_match('~^INSERT(?: IGNORE)? INTO \w+(?:\s+\([^)]+\))?\s+(SELECT .+)$~s', trim($query_data['q']), $matches) != 0)
{
$is_select_query = true;
$select = $matches[1];
}
elseif (preg_match('~^CREATE TEMPORARY TABLE .+?(SELECT .+)$~s', trim($query_data['q']), $matches) != 0)
{
$is_select_query = true;
$select = $matches[1];
}
echo '
<div id="qq', $q, '" style="margin-bottom: 2ex;">
<a', $is_select_query ? ' href="' . $scripturl . '?action=viewquery;qq=' . ($q + 1) . '#qq' . $q . '"' : '', ' style="font-weight: bold; color: black; text-decoration: none;">
', nl2br(str_replace("\t", ' ', htmlspecialchars($query_data['q']))), '
</a><br />';
if (!empty($query_data['f']) && !empty($query_data['l']))
echo '
in <i>', $query_data['f'], '</i> line <i>', $query_data['l'], '</i>, ';
echo '
which took ', round($query_data['t'], 8), ' seconds.
</div>';
// Explain the query.
if ($query_id == $q && $is_select_query)
{
$result = db_query("
EXPLAIN " . $select, false, false);
if ($result === false)
{
echo '
<table border="1" cellpadding="4" cellspacing="0" style="empty-cells: show; font-family: serif; margin-bottom: 2ex;">
<tr><td>', mysql_error($db_connection), '</td></tr>
</table>';
continue;
}
echo '
<table border="1" rules="all" cellpadding="4" cellspacing="0" style="empty-cells: show; font-family: serif; margin-bottom: 2ex;">';
$row = mysql_fetch_assoc($result);
echo '
<tr>
<th>' . implode('</th>
<th>', array_keys($row)) . '</th>
</tr>';
mysql_data_seek($result, 0);
while ($row = mysql_fetch_assoc($result))
{
echo '
<tr>
<td>' . implode('</td>
<td>', $row) . '</td>
</tr>';
}
mysql_free_result($result);
echo '
</table>';
}
}
echo '
</body>
</html>';
obExit(false);
}
?>
