<?php
/**
 * @category    AM
 * @package     AM_RevSlider
 * @copyright   Copyright (C) 2008-2014 ArexMage.com. All Rights Reserved.
 * @license     GNU General Public License version 2 or later
 * @author      ArexMage.com
 * @email       support@arexmage.com
 */

class AM_RevSlider_Model_Mysql4_Slider extends Mage_Core_Model_Mysql4_Abstract{
    public function _construct(){
        $this->_init('revslider/slider', 'id');
    }

    public function checkAlias($alias){
        $select = $this->_getReadAdapter()
            ->select()
            ->from($this->getMainTable())
            ->where('alias = ?', $alias)
            ->columns('id')
            ->limit(1);

        return $this->_getReadAdapter()->fetchOne($select);
    }
}