mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-04 21:42:39 +00:00
20 lines
508 B
SQL
20 lines
508 B
SQL
DROP TABLE IF EXISTS mt;
|
|
|
|
CREATE TABLE mt (x UInt64) ENGINE = MergeTree ORDER BY x SETTINGS max_part_loading_threads = 16, parts_to_delay_insert = 100000, parts_to_throw_insert = 100000;
|
|
|
|
SYSTEM STOP MERGES;
|
|
|
|
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;
|
|
|
|
DETACH TABLE mt;
|
|
ATTACH TABLE mt;
|
|
|
|
SELECT count(), sum(x) FROM mt;
|
|
|
|
SYSTEM START MERGES;
|
|
DROP TABLE mt;
|