Queries on tables containing structured types cannot be executed by the Calcite runtime. A plan like the one that follows (taken from
CALCITE-2220) can be translated to neither Bindable nor EnumerableConvention.
More precisely, if a logical plan contains a RexFieldAccess expression that does not refer to a RexCorrelVariable it cannot be handled by the RexToLixTranslator. The translation will fail when calling