<?php
/**
 * the last known user to change this file in the repository  <$LastChangedBy: gao.wanggao $>
 * @author $Author: gao.wanggao $ Foxsee@aliyun.com
 * @copyright 2003-2103 phpwind.com
 * @license http://www.phpwind.com
 * @version $Id: PwOnlineStatisticsDao.php 8074 2012-04-16 03:04:30Z gao.wanggao $ 
 * @package 
 */
class PwOnlineStatisticsDao extends PwBaseDao {
	
	protected $_table = 'online_statistics';
	protected $_dataStruct = array('signkey', 'number', 'created_time');
	
	public function getInfo($key) {
		$sql = $this->_bindTable('SELECT * FROM %s WHERE signkey = ? ');
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->getOne(array($key));
	}
	
	public function addInfo($data) {
		if (!$data = $this->_filterStruct($data)) return false;
		$sql = $this->_bindSql('REPLACE INTO %s SET %s ', $this->getTable(), $this->sqlSingle($data));
		return $this->getConnection()->execute($sql);
	}
	
	public function deleteInfo($key) {
		$sql = $this->_bindTable('DELETE FROM %s  WHERE signkey = ? ');
		$smt = $this->getConnection()->createStatement($sql);
		return $smt->update(array($key));
	}
	
	
	
}
?>