mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-18 22:40:50 +00:00
70 lines
3.4 KiB
SQL
70 lines
3.4 KiB
SQL
SET send_logs_level = 'none';
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SET replication_alter_partitions_sync = 2;
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DROP TABLE IF EXISTS alter_compression_codec1;
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DROP TABLE IF EXISTS alter_compression_codec2;
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CREATE TABLE alter_compression_codec1 (
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somedate Date CODEC(LZ4),
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id UInt64 CODEC(NONE)
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) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/alter_compression_codecs', '1') PARTITION BY somedate ORDER BY id;
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CREATE TABLE alter_compression_codec2 (
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somedate Date CODEC(LZ4),
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id UInt64 CODEC(NONE)
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) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/alter_compression_codecs', '2') PARTITION BY somedate ORDER BY id;
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INSERT INTO alter_compression_codec1 VALUES('2018-01-01', 1);
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INSERT INTO alter_compression_codec1 VALUES('2018-01-01', 2);
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SYSTEM SYNC REPLICA alter_compression_codec2;
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SELECT * FROM alter_compression_codec1 ORDER BY id;
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SELECT * FROM alter_compression_codec2 ORDER BY id;
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ALTER TABLE alter_compression_codec1 ADD COLUMN alter_column String DEFAULT 'default_value' CODEC(ZSTD);
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SYSTEM SYNC REPLICA alter_compression_codec1;
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SYSTEM SYNC REPLICA alter_compression_codec2;
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SELECT compression_codec FROM system.columns WHERE table = 'alter_compression_codec1' AND name = 'alter_column';
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SELECT compression_codec FROM system.columns WHERE table = 'alter_compression_codec2' AND name = 'alter_column';
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INSERT INTO alter_compression_codec1 VALUES('2018-01-01', 3, '3');
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INSERT INTO alter_compression_codec1 VALUES('2018-01-01', 4, '4');
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SYSTEM SYNC REPLICA alter_compression_codec1;
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SYSTEM SYNC REPLICA alter_compression_codec2;
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SELECT * FROM alter_compression_codec1 ORDER BY id;
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SELECT * FROM alter_compression_codec2 ORDER BY id;
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ALTER TABLE alter_compression_codec1 MODIFY COLUMN alter_column CODEC(NONE);
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SELECT compression_codec FROM system.columns WHERE table = 'alter_compression_codec1' AND name = 'alter_column';
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SELECT compression_codec FROM system.columns WHERE table = 'alter_compression_codec2' AND name = 'alter_column';
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INSERT INTO alter_compression_codec2 VALUES('2018-01-01', 5, '5');
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INSERT INTO alter_compression_codec2 VALUES('2018-01-01', 6, '6');
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SYSTEM SYNC REPLICA alter_compression_codec1;
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SELECT * FROM alter_compression_codec1 ORDER BY id;
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SELECT * FROM alter_compression_codec2 ORDER BY id;
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SET allow_suspicious_codecs = 1;
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ALTER TABLE alter_compression_codec1 MODIFY COLUMN alter_column CODEC(ZSTD, LZ4HC, LZ4, LZ4, NONE);
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SYSTEM SYNC REPLICA alter_compression_codec1;
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SYSTEM SYNC REPLICA alter_compression_codec2;
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SELECT compression_codec FROM system.columns WHERE table = 'alter_compression_codec1' AND name = 'alter_column';
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SELECT compression_codec FROM system.columns WHERE table = 'alter_compression_codec2' AND name = 'alter_column';
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INSERT INTO alter_compression_codec1 VALUES('2018-01-01', 7, '7');
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INSERT INTO alter_compression_codec2 VALUES('2018-01-01', 8, '8');
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SYSTEM SYNC REPLICA alter_compression_codec2;
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SYSTEM SYNC REPLICA alter_compression_codec1;
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SELECT * FROM alter_compression_codec1 ORDER BY id;
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SELECT * FROM alter_compression_codec2 ORDER BY id;
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ALTER TABLE alter_compression_codec1 MODIFY COLUMN alter_column FixedString(100);
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SYSTEM SYNC REPLICA alter_compression_codec2;
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SELECT compression_codec FROM system.columns WHERE table = 'alter_compression_codec1' AND name = 'alter_column';
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SELECT compression_codec FROM system.columns WHERE table = 'alter_compression_codec2' AND name = 'alter_column';
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DROP TABLE IF EXISTS alter_compression_codec1;
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DROP TABLE IF EXISTS alter_compression_codec2;
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