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89 lines
3.8 KiB
SQL
89 lines
3.8 KiB
SQL
SET send_logs_level = 'none';
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DROP TABLE IF EXISTS test.alter_compression_codec;
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CREATE TABLE test.alter_compression_codec (
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somedate Date CODEC(LZ4),
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id UInt64 CODEC(NONE)
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) ENGINE = MergeTree() PARTITION BY somedate ORDER BY id;
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INSERT INTO test.alter_compression_codec VALUES('2018-01-01', 1);
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INSERT INTO test.alter_compression_codec VALUES('2018-01-01', 2);
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SELECT * FROM test.alter_compression_codec ORDER BY id;
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ALTER TABLE test.alter_compression_codec ADD COLUMN alter_column String DEFAULT 'default_value' CODEC(ZSTD);
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SELECT compression_codec FROM system.columns WHERE database = 'test' AND table = 'alter_compression_codec' AND name = 'alter_column';
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INSERT INTO test.alter_compression_codec VALUES('2018-01-01', 3, '3');
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INSERT INTO test.alter_compression_codec VALUES('2018-01-01', 4, '4');
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SELECT * FROM test.alter_compression_codec ORDER BY id;
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ALTER TABLE test.alter_compression_codec MODIFY COLUMN alter_column CODEC(NONE);
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SELECT compression_codec FROM system.columns WHERE database = 'test' AND table = 'alter_compression_codec' AND name = 'alter_column';
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INSERT INTO test.alter_compression_codec VALUES('2018-01-01', 5, '5');
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INSERT INTO test.alter_compression_codec VALUES('2018-01-01', 6, '6');
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SELECT * FROM test.alter_compression_codec ORDER BY id;
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OPTIMIZE TABLE test.alter_compression_codec FINAL;
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SELECT * FROM test.alter_compression_codec ORDER BY id;
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ALTER TABLE test.alter_compression_codec MODIFY COLUMN alter_column CODEC(ZSTD, LZ4HC, LZ4, LZ4, NONE);
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SELECT compression_codec FROM system.columns WHERE database = 'test' AND table = 'alter_compression_codec' AND name = 'alter_column';
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INSERT INTO test.alter_compression_codec VALUES('2018-01-01', 7, '7');
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INSERT INTO test.alter_compression_codec VALUES('2018-01-01', 8, '8');
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OPTIMIZE TABLE test.alter_compression_codec FINAL;
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SELECT * FROM test.alter_compression_codec ORDER BY id;
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ALTER TABLE test.alter_compression_codec MODIFY COLUMN alter_column FixedString(100);
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SELECT compression_codec FROM system.columns WHERE database = 'test' AND table = 'alter_compression_codec' AND name = 'alter_column';
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DROP TABLE IF EXISTS test.alter_compression_codec;
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DROP TABLE IF EXISTS test.alter_bad_codec;
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CREATE TABLE test.alter_bad_codec (
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somedate Date CODEC(LZ4),
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id UInt64 CODEC(NONE)
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) ENGINE = MergeTree() ORDER BY tuple();
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ALTER TABLE test.alter_bad_codec ADD COLUMN alter_column DateTime DEFAULT '2019-01-01 00:00:00' CODEC(gbdgkjsdh); -- { serverError 432 }
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ALTER TABLE test.alter_bad_codec ADD COLUMN alter_column DateTime DEFAULT '2019-01-01 00:00:00' CODEC(ZSTD(100)); -- { serverError 433 }
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DROP TABLE IF EXISTS test.alter_bad_codec;
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DROP TABLE IF EXISTS test.large_alter_table;
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DROP TABLE IF EXISTS test.store_of_hash;
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CREATE TABLE test.large_alter_table (
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somedate Date CODEC(ZSTD, ZSTD, ZSTD(12), LZ4HC(12)),
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id UInt64 CODEC(LZ4, ZSTD, NONE, LZ4HC),
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data String CODEC(ZSTD(2), LZ4HC, NONE, LZ4, LZ4)
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) ENGINE = MergeTree() PARTITION BY somedate ORDER BY id SETTINGS index_granularity = 2;
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INSERT INTO test.large_alter_table SELECT toDate('2019-01-01'), number, toString(number + rand()) FROM system.numbers LIMIT 300000;
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CREATE TABLE test.store_of_hash (hash UInt64) ENGINE = Memory();
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INSERT INTO test.store_of_hash SELECT sum(cityHash64(*)) FROM test.large_alter_table;
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ALTER TABLE test.large_alter_table MODIFY COLUMN data CODEC(NONE, LZ4, LZ4HC, ZSTD);
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OPTIMIZE TABLE test.large_alter_table;
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SELECT compression_codec FROM system.columns WHERE database = 'test' AND table = 'large_alter_table' AND name = 'data';
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DETACH TABLE test.large_alter_table;
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ATTACH TABLE test.large_alter_table;
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INSERT INTO test.store_of_hash SELECT sum(cityHash64(*)) FROM test.large_alter_table;
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SELECT COUNT(hash) FROM test.store_of_hash;
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SELECT COUNT(DISTINCT hash) FROM test.store_of_hash;
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DROP TABLE IF EXISTS test.large_alter_table;
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DROP TABLE IF EXISTS test.store_of_hash;
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