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196 lines
6.3 KiB
PHP
196 lines
6.3 KiB
PHP
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<?php
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/**
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*
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* @package dbal
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* @version $Id$
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @package dbal
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* Database Abstraction Layer
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*/
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class dbal
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{
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var $db_connect_id;
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var $query_result;
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var $return_on_error = false;
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var $transaction = false;
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var $sql_time = 0;
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var $num_queries = 0;
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var $open_queries = array();
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function sql_return_on_error($fail = false)
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{
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$this->return_on_error = $fail;
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}
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function sql_num_queries()
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{
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return $this->num_queries;
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}
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// Idea for this from Ikonboard
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function sql_build_array($query, $assoc_ary = false)
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{
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if (!is_array($assoc_ary))
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{
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return false;
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}
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$fields = array();
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$values = array();
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if ($query == 'INSERT')
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{
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foreach ($assoc_ary as $key => $var)
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{
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$fields[] = $key;
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if (is_null($var))
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{
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$values[] = 'NULL';
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}
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elseif (is_string($var))
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{
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$values[] = "'" . $this->sql_escape($var) . "'";
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}
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else
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{
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$values[] = (is_bool($var)) ? intval($var) : $var;
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}
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}
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$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
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}
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else if ($query == 'UPDATE' || $query == 'SELECT')
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{
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$values = array();
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foreach ($assoc_ary as $key => $var)
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{
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if (is_null($var))
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{
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$values[] = "$key = NULL";
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}
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elseif (is_string($var))
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{
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$values[] = "$key = '" . $this->sql_escape($var) . "'";
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}
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else
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{
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$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
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}
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}
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$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
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}
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return $query;
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}
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function sql_error($sql = '')
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{
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$error = $this->db_sql_error();
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if (!$this->return_on_error)
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{
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$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
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$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
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$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 />' . $sql : '') . '<br />';
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if ($this->transaction)
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{
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$this->sql_transaction('rollback');
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}
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trigger_error($message, E_USER_ERROR);
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}
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return $error;
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}
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function sql_report($mode, $query = '')
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{
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if (empty($_GET['explain']))
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{
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return;
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}
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global $cache, $starttime, $phpbb_root_path;
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static $curtime, $query_hold, $html_hold;
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static $sql_report = '';
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static $cache_num_queries = 0;
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if (!$query && !empty($query_hold))
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{
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$query = $query_hold;
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}
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switch ($mode)
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{
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case 'display':
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if (!empty($cache))
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{
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$cache->unload();
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}
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$this->sql_close();
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$mtime = explode(' ', microtime());
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$totaltime = $mtime[0] + $mtime[1] - $starttime;
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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";
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echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
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echo 'td.cat { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
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echo '</style><title>' . $msg_title . '</title></head><body>';
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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>';
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echo $sql_report;
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echo '</td></tr></table><br /></body></html>';
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exit;
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break;
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case 'stop':
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$endtime = explode(' ', microtime());
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$endtime = $endtime[0] + $endtime[1];
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$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> ' . $html_hold . '<p align="center">';
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if ($this->query_result)
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{
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if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
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{
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$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
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}
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$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
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}
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else
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{
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$error = $this->sql_error();
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$sql_report .= '<b style="color: red">FAILED</b> - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
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}
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$sql_report .= '</p>';
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$this->sql_time += $endtime - $curtime;
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break;
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default:
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$this->_sql_report($mode, $query);
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break;
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}
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}
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}
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if (!defined('IN_PHPBB'))
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{
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exit;
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}
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/**
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* This variable holds the class name to use later
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*/
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$sql_db = 'dbal_' . $dbms;
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?>
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