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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @package dbal
* Database Abstraction Layer
*/
class dbal
{
var $db_connect_id;
var $query_result;
var $return_on_error = false;
var $transaction = false;
var $sql_time = 0;
var $num_queries = 0;
var $open_queries = array();
function sql_return_on_error($fail = false)
{
$this->return_on_error = $fail;
}
function sql_num_queries()
{
return $this->num_queries;
}
// Idea for this from Ikonboard
function sql_build_array($query, $assoc_ary = false)
{
if (!is_array($assoc_ary))
{
return false;
}
$fields = array();
$values = array();
if ($query == 'INSERT')
{
foreach ($assoc_ary as $key => $var)
{
$fields[] = $key;
if (is_null($var))
{
$values[] = 'NULL';
}
elseif (is_string($var))
{
$values[] = "'" . $this->sql_escape($var) . "'";
}
else
{
$values[] = (is_bool($var)) ? intval($var) : $var;
}
}
$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
}
else if ($query == 'UPDATE' || $query == 'SELECT')
{
$values = array();
foreach ($assoc_ary as $key => $var)
{
if (is_null($var))
{
$values[] = "$key = NULL";
}
elseif (is_string($var))
{
$values[] = "$key = '" . $this->sql_escape($var) . "'";
}
else
{
$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
}
}
$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
}
return $query;
}
function sql_error($sql = '')
{
$error = $this->db_sql_error();
if (!$this->return_on_error)
{
$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . $error['message'] . ' [' . $error['code'] . ']<br /><br /><u>CALLING PAGE</u><br /><br />' . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
if ($this->transaction)
{
$this->sql_transaction('rollback');
}
trigger_error($message, E_USER_ERROR);
}
return $error;
}
function sql_report($mode, $query = '')
{
if (empty($_GET['explain']))
{
return;
}
global $cache, $starttime, $phpbb_root_path;
static $curtime, $query_hold, $html_hold;
static $sql_report = '';
static $cache_num_queries = 0;
if (!$query && !empty($query_hold))
{
$query = $query_hold;
}
switch ($mode)
{
case 'display':
if (!empty($cache))
{
$cache->unload();
}
$this->sql_close();
$mtime = explode(' ', microtime());
$totaltime = $mtime[0] + $mtime[1] - $starttime;
echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
echo 'td.cat { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
echo '</style><title>' . $msg_title . '</title></head><body>';
echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> </td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
echo $sql_report;
echo '</td></tr></table><br /></body></html>';
exit;
break;
case 'stop':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
if ($this->query_result)
{
if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
{
$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
}
$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
}
else
{
$error = $this->sql_error();
$sql_report .= '<b style="color: red">FAILED</b> - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
}
$sql_report .= '</p>';
$this->sql_time += $endtime - $curtime;
break;
default:
$this->_sql_report($mode, $query);
break;
}
}
}
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* This variable holds the class name to use later
*/
$sql_db = 'dbal_' . $dbms;
?>
|
