private function hasTableDifference()
    {
        return !empty($this->createdTables) || !empty($this->alteredTables) || !empty($this->droppedTables);
    }
private function hasTableDifference()
    {
        return !empty($this->createdTables) || !empty($this->alteredTables) || !empty($this->droppedTables);
    }
private function hasTableDifference ( ) { return ! empty ( $ this -> createdTables ) || ! empty ( $ this -> alteredTables ) || ! empty ( $ this -> droppedTables ) ; }
Checks if the schema diff has table difference.

@return boolean TRUE if the schema diff has table difference else FALSE.
Checks if the schema diff has table difference .