<?php
/**
* @version $Id: ibm.adapter.php 547 2011-07-30 08:12:50Z datahell $
* @package Elxis
* @subpackage Database
* @copyright Copyright (c) 2006-2012 Elxis CMS (http://www.elxis.org). All rights reserved.
* @license Elxis Public License ( http://www.elxis.org/elxis-public-license.html )
* @author Elxis Team ( http://www.elxis.org )
* @description Elxis CMS is free software. Read the license for copyright notices and details
*/
defined('_ELXIS_') or die ('Direct access to this location is not allowed.');
class elxisIbmAdapter extends elxisDbAdapter {
/*************************************/
/* CALL THE PARENT CLASS CONSTRUCTOR */
/*************************************/
public function __construct($pdo=null) {
parent::__construct($pdo);
}
/*************************************/
/* ADD LIMIT/OFFSET TO SQL STATEMENT */
/*************************************/
public function addLimit($sql, $offset=-1, $limit=-1) {
if ($limit < 0) { return $sql; }
if ($offset < 0) { $offset = 0; }
if ($offset == 0 && $limit > 0) {
$sql .= ' FETCH FIRST '.$limit.' ROWS ONLY';
return $sql;
}
$limit_sql = "SELECT z2.*
FROM (
SELECT ROW_NUMBER() OVER() AS \"ELXIS_DB_ROWNUM\", z1.*
FROM (".$sql.") z1
) z2
WHERE z2.elxis_db_rownum BETWEEN ".($offset+1)." AND ".($offset+$limit);
return $limit_sql;
}
/****************************/
/* LIST ALL DATABASE TABLES */
/****************************/
public function listTables() {
$stmt = $this->pdo->prepare('SELECT tabname FROM SYSCAT.TABLES');
$stmt->execute();
return $stmt->fetchCol();
}
/***********************************/
/* BACKUP DATABASE (NOT SUPPORTED) */
/***********************************/
public function backup($params) {
return -1;
}
}
?>