mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-05 23:31:24 +00:00
8f2a830d83
* add zstd long compression option * tests: add zstd long read-write test Co-authored-by: Joris Giovannangeli <joris.giovannangeli@ahrefs.com> Co-authored-by: ip <igor@ahrefs.com>
30 lines
1.2 KiB
SQL
30 lines
1.2 KiB
SQL
DROP TABLE IF EXISTS zstd_1_00;
|
|
DROP TABLE IF EXISTS zstd_1_24;
|
|
DROP TABLE IF EXISTS zstd_9_00;
|
|
DROP TABLE IF EXISTS zstd_9_24;
|
|
DROP TABLE IF EXISTS words;
|
|
|
|
CREATE TABLE words(i Int, word String) ENGINE = Memory;
|
|
INSERT INTO words SELECT * FROM generateRandom('i Int, word String',1,10) LIMIT 10000;
|
|
|
|
CREATE TABLE zstd_1_00(n Int, b String CODEC(ZSTD(1))) ENGINE = MergeTree ORDER BY n;
|
|
CREATE TABLE zstd_1_24(n Int, b String CODEC(ZSTD(1,24))) ENGINE = MergeTree ORDER BY n;
|
|
CREATE TABLE zstd_9_00(n Int, b String CODEC(ZSTD(9))) ENGINE = MergeTree ORDER BY n;
|
|
CREATE TABLE zstd_9_24(n Int, b String CODEC(ZSTD(9,24))) ENGINE = MergeTree ORDER BY n;
|
|
|
|
INSERT INTO zstd_1_00 SELECT * FROM words;
|
|
INSERT INTO zstd_1_24 SELECT * FROM words;
|
|
INSERT INTO zstd_9_00 SELECT * FROM words;
|
|
INSERT INTO zstd_9_24 SELECT * FROM words;
|
|
|
|
SELECT COUNT(n) FROM zstd_1_00 LEFT JOIN words ON i == n WHERE b == word;
|
|
SELECT COUNT(n) FROM zstd_1_24 LEFT JOIN words ON i == n WHERE b == word;
|
|
SELECT COUNT(n) FROM zstd_9_00 LEFT JOIN words ON i == n WHERE b == word;
|
|
SELECT COUNT(n) FROM zstd_9_24 LEFT JOIN words ON i == n WHERE b == word;
|
|
|
|
DROP TABLE zstd_1_00;
|
|
DROP TABLE zstd_1_24;
|
|
DROP TABLE zstd_9_00;
|
|
DROP TABLE zstd_9_24;
|
|
DROP TABLE words;
|