mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-13 11:04:10 +00:00
55 lines
1.6 KiB
SQL
55 lines
1.6 KiB
SQL
-- Tags: no-parallel
|
|
|
|
DROP TABLE IF EXISTS codecs;
|
|
|
|
CREATE TABLE codecs (id UInt32, val UInt32, s String)
|
|
ENGINE = MergeTree ORDER BY id
|
|
SETTINGS min_rows_for_wide_part = 10000;
|
|
INSERT INTO codecs SELECT number, number, toString(number) FROM numbers(1000);
|
|
SELECT sum(data_compressed_bytes), sum(data_uncompressed_bytes)
|
|
FROM system.parts
|
|
WHERE table = 'codecs' AND database = currentDatabase();
|
|
|
|
SELECT sum(id), sum(val), max(s) FROM codecs;
|
|
|
|
DETACH TABLE codecs;
|
|
ATTACH table codecs;
|
|
|
|
SELECT sum(id), sum(val), max(s) FROM codecs;
|
|
|
|
DROP TABLE codecs;
|
|
|
|
CREATE TABLE codecs (id UInt32 CODEC(NONE), val UInt32 CODEC(NONE), s String CODEC(NONE))
|
|
ENGINE = MergeTree ORDER BY id
|
|
SETTINGS min_rows_for_wide_part = 10000;
|
|
INSERT INTO codecs SELECT number, number, toString(number) FROM numbers(1000);
|
|
SELECT sum(data_compressed_bytes), sum(data_uncompressed_bytes)
|
|
FROM system.parts
|
|
WHERE table = 'codecs' AND database = currentDatabase();
|
|
|
|
SELECT sum(id), sum(val), max(s) FROM codecs;
|
|
|
|
DETACH TABLE codecs;
|
|
ATTACH table codecs;
|
|
|
|
SELECT sum(id), sum(val), max(s) FROM codecs;
|
|
|
|
DROP TABLE codecs;
|
|
|
|
CREATE TABLE codecs (id UInt32, val UInt32 CODEC(Delta, ZSTD), s String CODEC(ZSTD))
|
|
ENGINE = MergeTree ORDER BY id
|
|
SETTINGS min_rows_for_wide_part = 10000;
|
|
INSERT INTO codecs SELECT number, number, toString(number) FROM numbers(1000);
|
|
SELECT sum(data_compressed_bytes), sum(data_uncompressed_bytes)
|
|
FROM system.parts
|
|
WHERE table = 'codecs' AND database = currentDatabase();
|
|
|
|
SELECT sum(id), sum(val), max(s) FROM codecs;
|
|
|
|
DETACH TABLE codecs;
|
|
ATTACH table codecs;
|
|
|
|
SELECT sum(id), sum(val), max(s) FROM codecs;
|
|
|
|
DROP TABLE codecs;
|