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23 lines
654 B
MySQL
23 lines
654 B
MySQL
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DROP TABLE IF EXISTS table_with_pk_clear;
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CREATE TABLE table_with_pk_clear(
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key1 UInt64,
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key2 String,
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value1 String,
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value2 String
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)
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ENGINE = MergeTree()
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ORDER by (key1, key2);
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INSERT INTO table_with_pk_clear SELECT number, number * number, toString(number), toString(number * number) FROM numbers(1000);
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ALTER TABLE table_with_pk_clear CLEAR COLUMN key1 IN PARTITION tuple(); --{serverError 524}
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SELECT count(distinct key1) FROM table_with_pk_clear;
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ALTER TABLE table_with_pk_clear CLEAR COLUMN key2 IN PARTITION tuple(); --{serverError 524}
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SELECT count(distinct key2) FROM table_with_pk_clear;
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DROP TABLE IF EXISTS table_with_pk_clear;
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