framework/resources/Functional/limit0/union_all/prq_union_all/plan/prqUAllprq_23.q

explain plan for select * from ( select col_int, col_bgint, col_dbl from `prqUnAll_0_v` union all select col_int, col_bgint, col_dbl from `prqUnAll_1_v` ) t limit 0;