mirror of
https://github.com/phpbb/phpbb.git
synced 2025-02-24 03:54:10 +01:00
407 lines
9.1 KiB
PHP
407 lines
9.1 KiB
PHP
<?php
|
|
/**
|
|
*
|
|
* @package dbal
|
|
* @version $Id$
|
|
* @copyright (c) 2005 phpBB Group
|
|
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* @ignore
|
|
*/
|
|
if (!defined('SQL_LAYER'))
|
|
{
|
|
|
|
define('SQL_LAYER', 'mssql');
|
|
include($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
|
|
|
|
/**
|
|
* @package dbal
|
|
* MSSQL Database Abstraction Layer
|
|
* Minimum Requirement is MSSQL 2000+
|
|
*/
|
|
class dbal_mssql extends dbal
|
|
{
|
|
|
|
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
|
|
{
|
|
$this->persistency = $persistency;
|
|
$this->user = $sqluser;
|
|
$this->server = $sqlserver . (($port) ? ':' . $port : '');
|
|
$this->dbname = $database;
|
|
|
|
$this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $sqlpassword) : @mssql_connect($this->server, $this->user, $sqlpassword);
|
|
|
|
if ($this->db_connect_id && $this->dbname != '')
|
|
{
|
|
if (!@mssql_select_db($this->dbname, $this->db_connect_id))
|
|
{
|
|
@mssql_close($this->db_connect_id);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
|
|
}
|
|
|
|
function sql_close()
|
|
{
|
|
if (!$this->db_connect_id)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if ($this->transaction)
|
|
{
|
|
@mssql_query('COMMIT', $this->db_connect_id);
|
|
}
|
|
|
|
if (sizeof($this->open_queries))
|
|
{
|
|
foreach ($this->open_queries as $i_query_id => $query_id)
|
|
{
|
|
@mssql_free_result($query_id);
|
|
}
|
|
}
|
|
|
|
return @mssql_close($this->db_connect_id);
|
|
}
|
|
|
|
function sql_transaction($status = 'begin')
|
|
{
|
|
switch ($status)
|
|
{
|
|
case 'begin':
|
|
$result = @mssql_query('BEGIN TRANSACTION', $this->db_connect_id);
|
|
$this->transaction = true;
|
|
break;
|
|
|
|
case 'commit':
|
|
$result = @mssql_query('commit', $this->db_connect_id);
|
|
$this->transaction = false;
|
|
|
|
if (!$result)
|
|
{
|
|
@mssql_query('ROLLBACK', $this->db_connect_id);
|
|
}
|
|
break;
|
|
|
|
case 'rollback':
|
|
$result = @mssql_query('ROLLBACK', $this->db_connect_id);
|
|
$this->transaction = false;
|
|
break;
|
|
|
|
default:
|
|
$result = true;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
// Base query method
|
|
function sql_query($query = '', $cache_ttl = 0)
|
|
{
|
|
if ($query != '')
|
|
{
|
|
global $cache;
|
|
|
|
// EXPLAIN only in extra debug mode
|
|
if (defined('DEBUG_EXTRA'))
|
|
{
|
|
$this->sql_report('start', $query);
|
|
}
|
|
|
|
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
|
|
|
|
if (!$this->query_result)
|
|
{
|
|
$this->num_queries++;
|
|
|
|
if (($this->query_result = @mssql_query($query, $this->db_connect_id)) === false)
|
|
{
|
|
$this->sql_error($query);
|
|
}
|
|
|
|
if (defined('DEBUG_EXTRA'))
|
|
{
|
|
$this->sql_report('stop', $query);
|
|
}
|
|
|
|
if ($cache_ttl && method_exists($cache, 'sql_save'))
|
|
{
|
|
$this->open_queries[(int) $this->query_result] = $this->query_result;
|
|
$cache->sql_save($query, $this->query_result, $cache_ttl);
|
|
// sql_freeresult called within sql_save()
|
|
}
|
|
else if (strpos($query, 'SELECT') !== false && $this->query_result)
|
|
{
|
|
$this->open_queries[(int) $this->query_result] = $this->query_result;
|
|
}
|
|
}
|
|
else if (defined('DEBUG_EXTRA'))
|
|
{
|
|
$this->sql_report('fromcache', $query);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return ($this->query_result) ? $this->query_result : false;
|
|
}
|
|
|
|
function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
|
|
{
|
|
if ($query != '')
|
|
{
|
|
$this->query_result = false;
|
|
|
|
// if $total is set to 0 we do not want to limit the number of rows
|
|
if ($total == 0)
|
|
{
|
|
$total = -1;
|
|
}
|
|
|
|
$row_offset = ($total) ? $offset : '';
|
|
$num_rows = ($total) ? $total : $offset;
|
|
|
|
$query = 'SELECT TOP ' . ($row_offset + $num_rows) . ' ' . substr($query, 6);
|
|
|
|
return $this->sql_query($query, $cache_ttl);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Other query methods
|
|
//
|
|
// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
|
|
// don't want this here by a middle Milestone
|
|
function sql_numrows($query_id = false)
|
|
{
|
|
if (!$query_id)
|
|
{
|
|
$query_id = $this->query_result;
|
|
}
|
|
|
|
// return (isset($this->limit_offset[$query_id])) ? @mssql_num_rows($query_id) - $this->limit_offset[$query_id] : @mssql_num_rows($query_id);
|
|
return ($query_id) ? @mssql_num_rows($query_id) : false;
|
|
}
|
|
|
|
function sql_affectedrows()
|
|
{
|
|
return ($this->db_connect_id) ? @mssql_rows_affected($this->db_connect_id) : false;
|
|
}
|
|
|
|
function sql_fetchrow($query_id = false)
|
|
{
|
|
global $cache;
|
|
|
|
if (!$query_id)
|
|
{
|
|
$query_id = $this->query_result;
|
|
}
|
|
|
|
if (isset($cache->sql_rowset[$query_id]))
|
|
{
|
|
return $cache->sql_fetchrow($query_id);
|
|
}
|
|
|
|
$row = @mssql_fetch_array($query_id, MSSQL_ASSOC);
|
|
|
|
if ($row)
|
|
{
|
|
foreach ($row as $key => $value)
|
|
{
|
|
$row[$key] = ($value === ' ') ? trim($value) : $value;
|
|
}
|
|
}
|
|
|
|
return $row;
|
|
}
|
|
|
|
function sql_fetchrowset($query_id = false)
|
|
{
|
|
if (!$query_id)
|
|
{
|
|
$query_id = $this->query_result;
|
|
}
|
|
|
|
if ($query_id)
|
|
{
|
|
unset($this->rowset[$query_id]);
|
|
unset($this->row[$query_id]);
|
|
|
|
$result = array();
|
|
while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))
|
|
{
|
|
$result[] = $this->rowset[$query_id];
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function sql_fetchfield($field, $rownum = -1, $query_id = false)
|
|
{
|
|
if (!$query_id)
|
|
{
|
|
$query_id = $this->query_result;
|
|
}
|
|
|
|
if ($query_id)
|
|
{
|
|
if ($rownum > -1)
|
|
{
|
|
// (!empty($this->limit_offset[$query_id])) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
|
|
@mssql_data_seek($query_id, $rownum);
|
|
$row = @mssql_fetch_array($query_id, MSSQL_ASSOC);
|
|
$result = isset($row[$field]) ? $row[$field] : false;
|
|
}
|
|
else
|
|
{
|
|
if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
|
|
{
|
|
if ($this->row[$query_id] = $this->sql_fetchrow($query_id))
|
|
{
|
|
$result = $this->row[$query_id][$field];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ($this->rowset[$query_id])
|
|
{
|
|
$result = $this->rowset[$query_id][$field];
|
|
}
|
|
elseif ($this->row[$query_id])
|
|
{
|
|
$result = $this->row[$query_id][$field];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function sql_rowseek($rownum, $query_id = false)
|
|
{
|
|
if (!$query_id)
|
|
{
|
|
$query_id = $this->query_result;
|
|
}
|
|
|
|
if (isset($this->current_row[$query_id]))
|
|
{
|
|
// (!empty($this->limit_offset[$query_id])) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
|
|
@mssql_data_seek($query_id, $rownum);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function sql_nextid()
|
|
{
|
|
$result_id = @mssql_query('SELECT @@IDENTITY', $this->db_connect_id);
|
|
if ($result_id)
|
|
{
|
|
if (@mssql_fetch_array($result_id, MSSQL_ASSOC))
|
|
{
|
|
return @mssql_result($result_id, 1);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function sql_freeresult($query_id = false)
|
|
{
|
|
if (!$query_id)
|
|
{
|
|
$query_id = $this->query_result;
|
|
}
|
|
|
|
if (isset($this->open_queries[$query_id]))
|
|
{
|
|
unset($this->open_queries[$query_id]);
|
|
unset($this->result_rowset[$query_id]);
|
|
|
|
return @mssql_free_result($query_id);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function sql_escape($msg)
|
|
{
|
|
return str_replace("'", "''", str_replace('\\', '\\\\', $msg));
|
|
}
|
|
|
|
function db_sql_error()
|
|
{
|
|
return array(
|
|
'message' => @mssql_get_last_message($this->db_connect_id),
|
|
'code' => ''
|
|
);
|
|
}
|
|
|
|
function _sql_report($mode, $query = '')
|
|
{
|
|
global $cache, $starttime, $phpbb_root_path;
|
|
static $curtime, $query_hold, $html_hold;
|
|
static $sql_report = '';
|
|
static $cache_num_queries = 0;
|
|
|
|
switch ($mode)
|
|
{
|
|
case 'start':
|
|
$query_hold = $query;
|
|
$html_hold = '';
|
|
|
|
$curtime = explode(' ', microtime());
|
|
$curtime = $curtime[0] + $curtime[1];
|
|
break;
|
|
|
|
case 'fromcache':
|
|
$endtime = explode(' ', microtime());
|
|
$endtime = $endtime[0] + $endtime[1];
|
|
|
|
$result = @mssql_query($query, $this->db_connect_id);
|
|
while ($void = @mssql_fetch_array($result, MSSQL_ASSOC))
|
|
{
|
|
// Take the time spent on parsing rows into account
|
|
}
|
|
$splittime = explode(' ', microtime());
|
|
$splittime = $splittime[0] + $splittime[1];
|
|
|
|
$time_cache = $endtime - $curtime;
|
|
$time_db = $splittime - $endtime;
|
|
$color = ($time_db > $time_cache) ? 'green' : 'red';
|
|
|
|
$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</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><p align="center">';
|
|
|
|
$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
|
|
|
|
// Pad the start time to not interfere with page timing
|
|
$starttime += $time_db;
|
|
|
|
@mssql_free_result($result);
|
|
$cache_num_queries++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
} // if ... define
|
|
|
|
?>
|