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10 lines
242 B
MySQL
10 lines
242 B
MySQL
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DROP TABLE IF EXISTS test.null;
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CREATE TABLE test.null (x UInt8) ENGINE = Null;
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DESCRIBE TABLE test.null;
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ALTER TABLE test.null ADD COLUMN y String, MODIFY COLUMN x Int64 DEFAULT toInt64(y);
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DESCRIBE TABLE test.null;
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DROP TABLE test.null;
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