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https://github.com/ClickHouse/ClickHouse.git
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37 lines
1.8 KiB
SQL
37 lines
1.8 KiB
SQL
DROP TABLE IF EXISTS test;
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CREATE TABLE test (x Enum('hello' = 1, 'world' = 2), y String) ENGINE = MergeTree PARTITION BY x ORDER BY y;
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INSERT INTO test VALUES ('hello', 'test');
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SELECT * FROM test;
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SELECT name, partition, partition_id FROM system.parts WHERE database = currentDatabase() AND table = 'test' AND active ORDER BY partition;
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ALTER TABLE test MODIFY COLUMN x Enum('hello' = 1, 'world' = 2, 'goodbye' = 3);
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INSERT INTO test VALUES ('goodbye', 'test');
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OPTIMIZE TABLE test FINAL;
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SELECT * FROM test ORDER BY x;
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SELECT name, partition, partition_id FROM system.parts WHERE database = currentDatabase() AND table = 'test' AND active ORDER BY partition;
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ALTER TABLE test MODIFY COLUMN x Enum('hello' = 1, 'world' = 2); -- { serverError 524 }
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ALTER TABLE test MODIFY COLUMN x Enum('hello' = 1, 'world' = 2, 'test' = 3); -- { serverError 524 }
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ALTER TABLE test MODIFY COLUMN x Enum('hello' = 1, 'world' = 2, 'goodbye' = 4); -- { serverError 524 }
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ALTER TABLE test MODIFY COLUMN x Int8;
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INSERT INTO test VALUES (111, 'abc');
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OPTIMIZE TABLE test FINAL;
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SELECT * FROM test ORDER BY x;
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SELECT name, partition, partition_id FROM system.parts WHERE database = currentDatabase() AND table = 'test' AND active ORDER BY partition;
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ALTER TABLE test MODIFY COLUMN x Enum8('' = 1); -- { serverError 524 }
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ALTER TABLE test MODIFY COLUMN x Enum16('' = 1); -- { serverError 524 }
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ALTER TABLE test MODIFY COLUMN x UInt64; -- { serverError 524 }
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ALTER TABLE test MODIFY COLUMN x String; -- { serverError 524 }
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ALTER TABLE test MODIFY COLUMN x Nullable(Int64); -- { serverError 524 }
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ALTER TABLE test RENAME COLUMN x TO z; -- { serverError 47 }
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ALTER TABLE test RENAME COLUMN y TO z; -- { serverError 47 }
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ALTER TABLE test DROP COLUMN x; -- { serverError 47 }
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ALTER TABLE test DROP COLUMN y; -- { serverError 47 }
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DROP TABLE test;
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