public static function get_PgLargeObject( &$value, Base $entity )
    {
        if( $value instanceof PgLargeObject ){
            return $value->isDeleted()
                ? null
                : $value;
        }
        if( is_intish($value) ) {
            $value = new Oid( $value, $entity->r()->db );
        }
        return !is_null($value)
            ? new PgLargeObject( $value )
            : null;
    }