ClickHouse/tests/queries/0_stateless/01117_chain_finalize_bug.sql

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SELECT arrayJoin(arrayMap(i -> (i + 1), range(2))) AS index, number
FROM numbers(2)
GROUP BY number
ORDER BY index, number;
SET max_bytes_before_external_group_by = 1;
SELECT arrayJoin(arrayMap(i -> (i + 1), range(2))) AS index, number
FROM numbers(2)
GROUP BY number
ORDER BY index, number;
SET group_by_two_level_threshold = 2;
SELECT count() FROM
(
SELECT
arrayJoin(arrayMap(i -> (i + 1), range(2))) AS index,
number
FROM numbers_mt(100000)
GROUP BY number
ORDER BY index ASC
SETTINGS max_block_size = 100000, max_threads = 2
);