ClickHouse/tests/queries/0_stateless/00988_parallel_parts_removal.sql

21 lines
618 B
SQL

DROP TABLE IF EXISTS mt;
CREATE TABLE mt (x UInt64) ENGINE = MergeTree ORDER BY x
SETTINGS cleanup_delay_period = 1, cleanup_delay_period_random_add = 0,
cleanup_thread_preferred_points_per_iteration=0, old_parts_lifetime = 1, parts_to_delay_insert = 100000, parts_to_throw_insert = 100000;
SYSTEM STOP MERGES mt;
SET max_block_size = 1, min_insert_block_size_rows = 0, min_insert_block_size_bytes = 0;
INSERT INTO mt SELECT * FROM numbers(1000);
SET max_block_size = 65536;
SELECT count(), sum(x) FROM mt;
SYSTEM START MERGES mt;
OPTIMIZE TABLE mt FINAL;
SELECT count(), sum(x) FROM mt;
DROP TABLE mt;