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Even more tests

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alesapin 2019-01-14 18:53:10 +03:00
parent 43436aaf9d
commit 24b7214611
2 changed files with 35 additions and 0 deletions
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3
dbms/tests/queries/0_stateless/00804_test_alter_compression_codecs.reference
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@ -27,3 +27,6 @@ CODEC(ZSTD,LZ4HC,LZ4,LZ4,NONE)
2018-01-01 6 6
2018-01-01 7 7
2018-01-01 8 8
CODEC(NONE,LZ4,LZ4HC,ZSTD)
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dbms/tests/queries/0_stateless/00804_test_alter_compression_codecs.sql
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@ -50,3 +50,35 @@ ALTER TABLE test.alter_bad_codec ADD COLUMN alter_column DateTime DEFAULT '2019-
ALTER TABLE test.alter_bad_codec ADD COLUMN alter_column DateTime DEFAULT '2019-01-01 00:00:00' CODEC(ZSTD(100)); -- { serverError 433 }
DROP TABLE IF EXISTS test.alter_bad_codec;
DROP TABLE IF EXISTS test.large_alter_table;
DROP TABLE IF EXISTS test.store_of_hash;
CREATE TABLE test.large_alter_table (
somedate Date CODEC(ZSTD, ZSTD, ZSTD(12), LZ4HC(12)),
id UInt64 CODEC(LZ4, ZSTD, NONE, LZ4HC),
data String CODEC(ZSTD(2), LZ4HC, NONE, LZ4, LZ4)
) ENGINE = MergeTree() PARTITION BY somedate ORDER BY id SETTINGS index_granularity = 2;
INSERT INTO test.large_alter_table SELECT toDate('2019-01-01'), number, toString(number + rand()) FROM system.numbers LIMIT 300000;
CREATE TABLE test.store_of_hash (hash UInt64) ENGINE = Memory();
INSERT INTO test.store_of_hash SELECT sum(cityHash64(*)) FROM test.large_alter_table;
ALTER TABLE test.large_alter_table MODIFY COLUMN data CODEC(NONE, LZ4, LZ4HC, ZSTD);
OPTIMIZE TABLE test.large_alter_table;
SELECT compression_codec FROM system.columns WHERE database = 'test' AND table = 'large_alter_table' AND name = 'data';
DETACH TABLE test.large_alter_table;
ATTACH TABLE test.large_alter_table;
INSERT INTO test.store_of_hash SELECT sum(cityHash64(*)) FROM test.large_alter_table;
SELECT COUNT(hash) FROM test.store_of_hash;
SELECT COUNT(DISTINCT hash) FROM test.store_of_hash;
DROP TABLE IF EXISTS test.large_alter_table;
DROP TABLE IF EXISTS test.store_of_hash;