/**
* Record the user last login informartion
*
* @param Admin_Model_User $user
* @return type
*/
public function recordLogin(Admin_Model_User $user)
{
return $this->_getWriteAdapter()->query("UPDATE " . $this->tbl_user . " SET logdate='" . now() . "', lognum=lognum+1 WHERE user_id='" . $user->getUserId() . "'");
}