mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 16:50:48 +00:00
15 lines
520 B
SQL
15 lines
520 B
SQL
DROP TABLE IF EXISTS index_compact;
|
|
|
|
CREATE TABLE index_compact(a UInt32, b UInt32, index i1 b type minmax granularity 1)
|
|
ENGINE = MergeTree ORDER BY a
|
|
SETTINGS min_rows_for_wide_part = 1000, index_granularity = 128, merge_max_block_size = 100;
|
|
|
|
INSERT INTO index_compact SELECT number, toString(number) FROM numbers(100);
|
|
INSERT INTO index_compact SELECT number, toString(number) FROM numbers(30);
|
|
|
|
OPTIMIZE TABLE index_compact FINAL;
|
|
|
|
SELECT count() FROM index_compact WHERE b < 10;
|
|
|
|
DROP TABLE index_compact;
|