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30 lines
662 B
MySQL
30 lines
662 B
MySQL
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DROP TABLE IF EXISTS compress_table;
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CREATE TABLE compress_table
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(
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key UInt64,
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value1 String CODEC(Default),
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value2 UInt64 CODEC(Delta, Default),
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value3 String CODEC(ZSTD(10))
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)
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ENGINE = MergeTree()
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ORDER BY key;
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INSERT INTO compress_table VALUES(1, '1', '1', '1');
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SELECT * FROM compress_table;
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ALTER TABLE compress_table MODIFY COLUMN value3 CODEC(Default);
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INSERT INTO compress_table VALUES(2, '2', '2', '2');
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SELECT * FROM compress_table ORDER BY key;
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DESCRIBE TABLE compress_table;
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SHOW CREATE TABLE compress_table;
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ALTER TABLE compress_table MODIFY COLUMN value2 CODEC(Default(5)); --{serverError 36}
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DROP TABLE IF EXISTS compress_table;
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