DROP TABLE IF EXISTS tab; create table tab (A Int64) Engine=MergeTree order by tuple() SETTINGS min_bytes_for_wide_part = 0, min_rows_for_wide_part = 0; insert into tab select cityHash64(number) from numbers(1000); select sum(sleep(0.1)) from tab settings max_block_size = 1, max_execution_time=1; -- { serverError TIMEOUT_EXCEEDED } DROP TABLE IF EXISTS tab;