--! qt:dataset:part | |
-- =ALL is not allowed and initially triggers a CalciteSubquerySemanticException | |
set hive.cbo.fallback.strategy=CONSERVATIVE; | |
-- In CONSERVATIVE mode CalciteSubquerySemanticException is fatal | |
-- and should be present in the error message | |
explain select * from part where p_type = ALL(select max(p_type) from part); |