<?php
/***************************************************************************
* mysql.php
* -------------------
* begin : Saturday, Feb 13, 2001
* copyright : (C) 2001 The phpBB Group
* email : support@phpbb.com
*
* $Id$
*
***************************************************************************/
/***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
***************************************************************************/
if ( !defined('SQL_LAYER') )
{
define('SQL_LAYER', 'mysql');
class sql_db
{
var $db_connect_id;
var $query_result;
var $return_on_error = false;
var $transaction = false;
var $sql_report = '';
var $sql_time = 0;
//
// Constructor
//
function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $port, $persistency = false)
{
$this->open_queries = array();
$this->num_queries = 0;
$this->persistency = $persistency;
$this->user = $sqluser;
$this->password = $sqlpassword;
$this->server = $sqlserver . ( ( $port ) ? ':' . $port : '' );
$this->dbname = $database;
$this->db_connect_id = ( $this->persistency ) ? @mysql_pconnect($this->server, $this->user, $this->password) : @mysql_connect($this->server, $this->user, $this->password);
if ( $this->db_connect_id && $this->dbname != '')
{
if ( @mysql_select_db($this->dbname) )
{
return $this->db_connect_id;
}
}
$this->sql_error('');
}
//
// Other base methods
//
function sql_close()
{
if (!$this->db_connect_id)
{
return false;
}
if (count($this->open_queries))
{
foreach ($this->open_queries as $query_id)
{
@mysql_free_result($query_id);
}
}
return @mysql_close($this->db_connect_id);
}
function sql_return_on_error($fail = false)
{
$this->return_on_error = $fail;
}
function sql_num_queries()
{
return $this->num_queries;
}
function sql_transaction($status = 'begin')
{
switch ( $status )
{
case 'begin':
$this->transaction = true;
// $result = mysql_query('BEGIN', $this->db_connect_id);
break;
case 'commit':
$this->transaction = false;
// $result = mysql_query('COMMIT', $this->db_connect_id);
break;
case 'rollback':
$this->transaction = false;
// $result = mysql_query('ROLLBACK', $this->db_connect_id);
break;
default:
$result = true;
}
return $result;
}
//
// Base query method
//
function sql_query($query = '')
{
if ($query != '')
{
$this->query_result = false;
$this->num_queries++;
if (!empty($_REQUEST['explain']))
{
global $starttime;
$curtime = explode(' ', microtime());
$curtime = $curtime[0] + $curtime[1] - $starttime;
}
if (!$this->query_result = @mysql_query($query, $this->db_connect_id))
{
$this->sql_error($query);
}
if (!empty($_REQUEST['explain']))
{
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1] - $starttime;
$this->sql_report .= "<pre>Query:\t" . preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n\t", $query) . "\n\n";
if ($this->query_result)
{
$this->sql_report .= "Time before: $curtime\nTime after: $endtime\nElapsed time: <b>" . ($endtime - $curtime) . "</b>\n</pre>";
}
else
{
$error = $this->sql_error();
$this->sql_report .= '<b>FAILED</b> - MySQL Error ' . $error['code'] . ': ' . $error['message'] . '<br><br><pre>';
}
$this->sql_time += $endtime - $curtime;
if (preg_match('/^SELECT/', $query))
{
$html_table = FALSE;
if ($result = mysql_query("EXPLAIN $query", $this->db_connect_id))
{
while ($row = mysql_fetch_assoc($result))
{
if (!$html_table && count($row))
{
$html_table = TRUE;
$this->sql_report .= "<table width=100% border=1 cellpadding=2 cellspacing=1>\n";
$this->sql_report .= "<tr>\n<td><b>" . implode("</b></td>\n<td><b>", array_keys($row)) . "</b></td>\n</tr>\n";
}
$this->sql_report .= "<tr>\n<td>" . implode(" </td>\n<td>", array_values($row)) . " </td>\n</tr>\n";
}
}
if ($html_table)
{
$this->sql_report .= '</table><br>';
}
}
$this->sql_report .= "<hr>\n";
}
$this->open_queries[] = $this->query_result;
}
else
{
return false;
}
return ( $this->query_result) ? $this->query_result : false;
}
function sql_query_limit($query = '', $total, $offset = 0)
{
if ( $query != '' )
{
$this->query_result = false;
$this->num_queries++;
if ( !empty($total) )
{
$query .= ' LIMIT ' . ( ( !empty($offset) ) ? $offset . ', ' . $total : $total );
}
return $this->sql_query($query);
}
else
{
return false;
}
}
// 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))
{
$values[] = "'" . sql_quote($var) . "'";
}
else
{
$values[] = (is_bool($var)) ? intval($var) : $var;
}
}
$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
}
else if ($query == 'UPDATE')
{
$values = array();
foreach ($assoc_ary as $key => $var)
{
if (is_null($var))
{
$values[] = "$key = NULL";
}
elseif (is_string($var))
{
$values[] = "$key = '" . sql_quote($var) . "'";
}
else
{
$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
}
}
$query = implode(', ', $values);
}
return $query;
}
//
// Other query methods
//
// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
// don't want this here by a middle Milestone
//
function sql_numrows($query_id = false)
{
if ( !$query_id )
{
$query_id = $this->query_result;
}
return ( $query_id ) ? @mysql_num_rows($query_id) : false;
}
function sql_affectedrows()
{
return ( $this->db_connect_id ) ? @mysql_affected_rows($this->db_connect_id) : false;
}
function sql_fetchrow($query_id = 0)
{
if ( !$query_id )
{
$query_id = $this->query_result;
}
return ( $query_id ) ? @mysql_fetch_assoc($query_id) : false;
}
function sql_fetchrowset($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
unset($this->rowset[$query_id]);
unset($this->row[$query_id]);
while($this->rowset[$query_id] = @mysql_fetch_assoc($query_id))
{
$result[] = $this->rowset[$query_id];
}
return $result;
}
else
{
return false;
}
}
function sql_fetchfield($field, $rownum = -1, $query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($rownum > -1)
{
$result = @mysql_result($query_id, $rownum, $field);
}
else
{
if(empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
{
if($this->sql_fetchrow())
{
$result = $this->row[$query_id][$field];
}
}
else
{
if($this->rowset[$query_id])
{
$result = $this->rowset[$query_id][$field];
}
else if($this->row[$query_id])
{
$result = $this->row[$query_id][$field];
}
}
}
return $result;
}
else
{
return false;
}
}
function sql_rowseek($rownum, $query_id = 0)
{
if ( !$query_id )
{
$query_id = $this->query_result;
}
return ( $query_id ) ? @mysql_data_seek($query_id, $rownum) : false;
}
function sql_nextid()
{
return ( $this->db_connect_id ) ? @mysql_insert_id($this->db_connect_id) : false;
}
function sql_freeresult($query_id = false)
{
if ( !$query_id )
{
$query_id = $this->query_result;
}
return ( $query_id ) ? @mysql_free_result($query_id) : false;
}
function sql_error($sql = '')
{
if ( !$this->return_on_error )
{
if ( $this->transaction )
{
$this->sql_transaction(ROLLBACK);
}
$this_page = ( !empty($_SERVER['PHP_SELF']) ) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
$this_page .= '&' . ( ( !empty($_SERVER['QUERY_STRING']) ) ? $_SERVER['QUERY_STRING'] : $_ENV['QUERY_STRING'] );
$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mysql_error() . '<br /><br /><u>CALLING PAGE</u><br /><br />' . $this_page . ( ( $sql != '' ) ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '' ) . '<br />';
trigger_error($message, E_USER_ERROR);
}
$result['message'] = @mysql_error();
$result['code'] = @mysql_errno();
return $result;
}
} // class sql_db
} // if ... define
?>