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https://github.com/ClickHouse/ClickHouse.git
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92 lines
3.9 KiB
SQL
92 lines
3.9 KiB
SQL
-- Tags: no-parallel
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SET send_logs_level = 'fatal';
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DROP TABLE IF EXISTS alter_compression_codec;
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CREATE TABLE 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 alter_compression_codec VALUES('2018-01-01', 1);
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INSERT INTO alter_compression_codec VALUES('2018-01-01', 2);
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SELECT * FROM alter_compression_codec ORDER BY id;
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ALTER TABLE 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 = currentDatabase() AND table = 'alter_compression_codec' AND name = 'alter_column';
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INSERT INTO alter_compression_codec VALUES('2018-01-01', 3, '3');
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INSERT INTO alter_compression_codec VALUES('2018-01-01', 4, '4');
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SELECT * FROM alter_compression_codec ORDER BY id;
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ALTER TABLE alter_compression_codec MODIFY COLUMN alter_column CODEC(NONE);
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SELECT compression_codec FROM system.columns WHERE database = currentDatabase() AND table = 'alter_compression_codec' AND name = 'alter_column';
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INSERT INTO alter_compression_codec VALUES('2018-01-01', 5, '5');
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INSERT INTO alter_compression_codec VALUES('2018-01-01', 6, '6');
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SELECT * FROM alter_compression_codec ORDER BY id;
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OPTIMIZE TABLE alter_compression_codec FINAL;
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SELECT * FROM alter_compression_codec ORDER BY id;
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SET allow_suspicious_codecs = 1;
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ALTER TABLE 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 = currentDatabase() AND table = 'alter_compression_codec' AND name = 'alter_column';
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INSERT INTO alter_compression_codec VALUES('2018-01-01', 7, '7');
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INSERT INTO alter_compression_codec VALUES('2018-01-01', 8, '8');
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OPTIMIZE TABLE alter_compression_codec FINAL;
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SELECT * FROM alter_compression_codec ORDER BY id;
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ALTER TABLE alter_compression_codec MODIFY COLUMN alter_column FixedString(100);
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SELECT compression_codec FROM system.columns WHERE database = currentDatabase() AND table = 'alter_compression_codec' AND name = 'alter_column';
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DROP TABLE IF EXISTS alter_compression_codec;
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DROP TABLE IF EXISTS alter_bad_codec;
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CREATE TABLE 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 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 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 alter_bad_codec;
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DROP TABLE IF EXISTS large_alter_table_00804;
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DROP TABLE IF EXISTS store_of_hash_00804;
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CREATE TABLE large_alter_table_00804 (
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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, index_granularity_bytes = '10Mi', min_bytes_for_wide_part = 0;
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INSERT INTO large_alter_table_00804 SELECT toDate('2019-01-01'), number, toString(number + rand()) FROM system.numbers LIMIT 300000;
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CREATE TABLE store_of_hash_00804 (hash UInt64) ENGINE = Memory();
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INSERT INTO store_of_hash_00804 SELECT sum(cityHash64(*)) FROM large_alter_table_00804;
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ALTER TABLE large_alter_table_00804 MODIFY COLUMN data CODEC(NONE, LZ4, LZ4HC, ZSTD);
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OPTIMIZE TABLE large_alter_table_00804;
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SELECT compression_codec FROM system.columns WHERE database = currentDatabase() AND table = 'large_alter_table_00804' AND name = 'data';
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DETACH TABLE large_alter_table_00804;
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ATTACH TABLE large_alter_table_00804;
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INSERT INTO store_of_hash_00804 SELECT sum(cityHash64(*)) FROM large_alter_table_00804;
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SELECT COUNT(hash) FROM store_of_hash_00804;
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SELECT COUNT(DISTINCT hash) FROM store_of_hash_00804;
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DROP TABLE IF EXISTS large_alter_table_00804;
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DROP TABLE IF EXISTS store_of_hash_00804;
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