ClickHouse/tests/queries/0_stateless/01375_compact_parts_codecs.sql
2021-09-12 17:15:28 +03:00

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;