$result=$db->pquery("SELECT columnname FROM $tableName WHERE columnname LIKE ? OR columnname LIKE ?",array('vtiger_crmentity:createdtime%:T','vtiger_crmentity:modifiedtime%:T'));
$result=$db->pquery("SELECT columnname FROM $tableName WHERE columnname LIKE ? OR columnname LIKE ?",array('vtiger_crmentity%:createdtime:%T','vtiger_crmentity%:modifiedtime:%T'));