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<?php
/**************************************************************************
* This file is part of the WebIssues Server program
* Copyright (C) 2006 Michał Męciński
* Copyright (C) 2007-2008 WebIssues Team
*
* 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.
**************************************************************************/
function wi_db_connect( $host, $database, $user, $password )
{
if ( !mysql_connect( $host, $user, $password ) )
return false;
if ( !mysql_select_db( $database ) ) {
trigger_error( 'mysql_select_db(): ' . mysql_error(), E_USER_WARNING );
return false;
}
if ( version_compare( mysql_get_server_info(), '4.1', '>=' ) )
mysql_query( "SET NAMES 'utf8'" );
return true;
}
function wi_db_escape_arg( $arg, $type )
{
switch( $type ) {
case 'd':
return (int)$arg;
case 's':
case 'b':
return "'" . mysql_escape_string( $arg ) . "'";
}
}
function wi_db_query( $query )
{
$log = wi_log_open( 'sql' );
if ( $log )
fwrite( $log, "> $query\n" );
$rs = mysql_query( $query );
if ( !$rs ) {
$error = mysql_error();
trigger_error( 'mysql_query(): ' . $error, E_USER_WARNING );
if ( $log )
fwrite( $log, "ERROR: $error\n" );
return false;
}
if ( $log ) {
if ( $rs === true ) {
$num = mysql_affected_rows();
fwrite( $log, "($num rows affected)\n" );
} else {
$num = mysql_num_rows( $rs );
fwrite( $log, "($num rows returned)\n" );
}
}
return $rs;
}
function wi_db_fetch_assoc( $rs )
{
return mysql_fetch_assoc( $rs );
}
function wi_db_unescape_blob( $data )
{
return $data;
}
function wi_db_insert_id( $table, $column )
{
return mysql_insert_id();
}
function wi_db_table_exists( $table )
{
$query = "SHOW TABLES LIKE '$table'";
$rs = mysql_query( $query );
return mysql_num_rows( $rs ) > 0;
}
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