blob: 832df90cbd238636731b5d1c2a17203b49bb0384 [file] [log] [blame]
explain plan for select * from ( select col_date from `prqUnAll_0_v` where col_date = '1954-01-06' union all select col_date from `prqUnAll_1_v` where col_date = '1954-01-06' ) t limit 0;