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30 lines
860 B
MySQL
30 lines
860 B
MySQL
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DROP TABLE IF EXISTS mutation_table;
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CREATE TABLE mutation_table
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(
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date Date,
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key UInt64,
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value String
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)
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ENGINE = MergeTree()
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PARTITION BY date
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ORDER BY tuple();
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INSERT INTO mutation_table SELECT toDate('2019-10-01'), number, '42' FROM numbers(100);
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INSERT INTO mutation_table SELECT toDate('2019-10-02'), number, 'Hello' FROM numbers(100);
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SELECT distinct(value) FROM mutation_table ORDER BY value;
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ALTER TABLE mutation_table MODIFY COLUMN value UInt64 SETTINGS mutations_sync = 2; --{serverError 341}
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SELECT distinct(value) FROM mutation_table ORDER BY value; --{serverError 6}
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KILL MUTATION where table = 'mutation_table' and database = currentDatabase();
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ALTER TABLE mutation_table MODIFY COLUMN value String SETTINGS mutations_sync = 2;
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SELECT distinct(value) FROM mutation_table ORDER BY value;
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DROP TABLE IF EXISTS mutation_table;
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