-- This file is automatically generated. You should know what you did if you want to edit this -- !onerow_union -- 1 2 3 4 -- !join -- PhysicalResultSink --PhysicalEmptyRelation -- !explain_union_empty_data -- PhysicalResultSink --PhysicalDistribute ----hashAgg[LOCAL] ------PhysicalProject --------PhysicalOlapScan[nation] -- !union_empty_data -- 1 -- !explain_union_empty_empty -- PhysicalResultSink --PhysicalEmptyRelation -- !union_empty_empty -- -- !union_emtpy_onerow -- 10 -- !explain_intersect_data_empty -- PhysicalResultSink --PhysicalEmptyRelation -- !explain_intersect_empty_data -- PhysicalResultSink --PhysicalEmptyRelation -- !explain_except_data_empty -- PhysicalResultSink --PhysicalDistribute ----PhysicalProject ------hashAgg[LOCAL] --------PhysicalProject ----------PhysicalOlapScan[nation] -- !explain_except_data_empty_data -- PhysicalResultSink --PhysicalDistribute ----PhysicalExcept ------PhysicalDistribute --------PhysicalProject ----------PhysicalOlapScan[nation] ------PhysicalDistribute --------PhysicalProject ----------filter(( not (n_nationkey = 1))) ------------PhysicalOlapScan[nation] -- !except_data_empty_data -- 1 -- !explain_except_empty_data -- PhysicalResultSink --PhysicalEmptyRelation -- !intersect_data_empty -- -- !intersect_empty_data -- -- !except_data_empty -- 1 -- !except_empty_data --