mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-05 14:02:21 +00:00
19 lines
734 B
SQL
19 lines
734 B
SQL
DROP TABLE IF EXISTS skip_idx_comp_parts;
|
|
CREATE TABLE skip_idx_comp_parts (a Int, b Int, index b_idx b TYPE minmax GRANULARITY 4)
|
|
ENGINE = MergeTree ORDER BY a
|
|
SETTINGS index_granularity=256, merge_max_block_size=100;
|
|
|
|
SYSTEM STOP MERGES skip_idx_comp_parts;
|
|
|
|
INSERT INTO skip_idx_comp_parts SELECT number, number FROM numbers(200);
|
|
INSERT INTO skip_idx_comp_parts SELECT number, number FROM numbers(200);
|
|
INSERT INTO skip_idx_comp_parts SELECT number, number FROM numbers(200);
|
|
INSERT INTO skip_idx_comp_parts SELECT number, number FROM numbers(200);
|
|
|
|
SYSTEM START MERGES skip_idx_comp_parts;
|
|
OPTIMIZE TABLE skip_idx_comp_parts FINAL;
|
|
|
|
SELECT count() FROM skip_idx_comp_parts WHERE b > 100;
|
|
|
|
DROP TABLE skip_idx_comp_parts;
|