ClickHouse/tests/queries/0_stateless/01660_sum_ubsan.reference
2021-12-10 21:51:43 +03:00

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-- { echo }
-- Aggregate function 'sum' allows overflow with two's complement arithmetics.
-- This contradicts the standard SQL semantic and we are totally fine with it.
SELECT sum(-8000000000000000000) FROM numbers(11);
4233720368547758080
SELECT sum(-8000000000000000000) FROM remote('127.0.0.{1,2,3,4,5,6,7,8,9,10,11}', system.one);
4233720368547758080
SELECT sumKahan(-8000000000000000000) FROM numbers(11);
-88000000000000000000