The old design of BIP-based framework (the QueryPlanDesc interface) assumes that at most one relation appears in a query.
This interface and the corresponding BIP-based codes need to be revised in a general way to handle NLJ and multiple-instances of a relation in a query also.
The old design of BIP-based framework (the QueryPlanDesc interface) assumes that at most one relation appears in a query. This interface and the corresponding BIP-based codes need to be revised in a general way to handle NLJ and multiple-instances of a relation in a query also.