SELECT * FROM (SELECT SUM(number) FROM numbers LIMIT 100000000000) LIMIT 0; ++ ++ EXPLAIN SELECT * FROM (SELECT SUM(number) FROM numbers LIMIT 100000000000) LIMIT 0; +---------------+----------------------------------+ | plan_type | plan | +---------------+----------------------------------+ | logical_plan | MergeScan [is_placeholder=false] | | physical_plan | EmptyExec: produce_one_row=false | | | | +---------------+----------------------------------+ EXPLAIN SELECT * FROM (SELECT SUM(number) FROM numbers LIMIT 100000000000) WHERE 1=0; +---------------+----------------------------------+ | plan_type | plan | +---------------+----------------------------------+ | logical_plan | MergeScan [is_placeholder=false] | | physical_plan | EmptyExec: produce_one_row=false | | | | +---------------+----------------------------------+