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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 )
{
$parts = explode( ':', $host );
if ( isset( $parts[ 1 ] ) ) {
$host = $parts[ 0 ];
$port = $parts[ 1 ];
} else {
$port = '';
}
$string = '';
if ( $host != '' )
$string .= "host=$host";
if ( $port != '' )
$string .= " port=$port";
if ( $database != '' )
$string .= " dbname=$database";
if ( $user != '' )
$string .= " user=$user";
if ( $password != '' )
$string .= " password=$password";
if ( !pg_connect( $string ) )
return false;
return true;
}
function wi_db_escape_arg( $arg, $type )
{
switch( $type ) {
case 'd':
return (int)$arg;
case 's':
return "'" . pg_escape_string( $arg ) . "'";
case 'b':
return "'" . pg_escape_bytea( $arg ) . "'";
}
}
function wi_db_query( $query )
{
$log = wi_log_open( 'sql' );
if ( $log )
fwrite( $log, "> $query\n" );
$rs = pg_query( $query );
if ( !$rs ) {
if ( $log ) {
$error = pg_last_error();
fwrite( $log, "$error\n" );
}
return false;
}
if ( $log ) {
$num = pg_affected_rows( $rs );
if ( $num > 0 ) {
fwrite( $log, "($num rows affected)\n" );
} else {
$num = pg_num_rows( $rs );
fwrite( $log, "($num rows returned)\n" );
}
}
return $rs;
}
function wi_db_fetch_assoc( $rs )
{
return pg_fetch_assoc( $rs );
}
function wi_db_unescape_blob( $data )
{
return pg_unescape_bytea( $data );
}
function wi_db_insert_id( $table, $column )
{
$query = "SELECT last_value FROM ${table}_${column}_seq";
$rs = pg_query( $query );
$row = pg_fetch_row( $rs );
return $row[ 0 ];
}
function wi_db_table_exists( $table )
{
$query = "SELECT relname FROM pg_class WHERE relkind = 'r' AND relname = '$table'";
$rs = pg_query( $query );
return pg_num_rows( $rs ) > 0;
}
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