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12 lines
391 B
MySQL
12 lines
391 B
MySQL
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DROP TABLE IF EXISTS clear_column;
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CREATE TABLE clear_column(x UInt32, y UInt32) ENGINE MergeTree ORDER BY x PARTITION by x;
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INSERT INTO clear_column VALUES (1, 1), (2, 3);
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ALTER TABLE clear_column CLEAR COLUMN y IN PARTITION 1;
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SELECT * FROM clear_column ORDER BY x;
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ALTER TABLE clear_column CLEAR COLUMN y IN PARTITION 2;
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SELECT * FROM clear_column ORDER BY x;
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DROP TABLE clear_column;
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