mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-20 15:30:50 +00:00
29 lines
1.1 KiB
MySQL
29 lines
1.1 KiB
MySQL
|
SET allow_experimental_data_skipping_indices=1;
|
||
|
|
||
|
DROP TABLE IF EXISTS bad_skip_idx;
|
||
|
|
||
|
CREATE TABLE bad_skip_idx
|
||
|
(
|
||
|
id UInt64,
|
||
|
value String
|
||
|
) ENGINE MergeTree()
|
||
|
ORDER BY id SETTINGS index_granularity_bytes = 64, vertical_merge_algorithm_min_rows_to_activate = 0, vertical_merge_algorithm_min_columns_to_activate = 0; -- actually vertical merge is not required condition for this bug, but it's more easy to reproduce (becuse we don't recalc granularities)
|
||
|
|
||
|
-- 7 rows per granule
|
||
|
INSERT INTO bad_skip_idx SELECT number, concat('x', toString(number)) FROM numbers(1000);
|
||
|
|
||
|
-- 3 rows per granule
|
||
|
INSERT INTO bad_skip_idx SELECT number, concat('xxxxxxxxxx', toString(number)) FROM numbers(1000,1000);
|
||
|
|
||
|
SELECT COUNT(*) from bad_skip_idx WHERE value = 'xxxxxxxxxx1015'; -- check no exception
|
||
|
|
||
|
INSERT INTO bad_skip_idx SELECT number, concat('x', toString(number)) FROM numbers(1000);
|
||
|
|
||
|
ALTER TABLE bad_skip_idx ADD INDEX idx value TYPE bloom_filter(0.01) GRANULARITY 4;
|
||
|
|
||
|
OPTIMIZE TABLE bad_skip_idx FINAL;
|
||
|
|
||
|
SELECT COUNT(*) from bad_skip_idx WHERE value = 'xxxxxxxxxx1015'; -- check no exception
|
||
|
|
||
|
DROP TABLE IF EXISTS bad_skip_idx;
|