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https://github.com/ClickHouse/ClickHouse.git
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39 lines
1.5 KiB
SQL
39 lines
1.5 KiB
SQL
SET send_logs_level = 'none';
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DROP TABLE IF EXISTS old_style;
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CREATE TABLE old_style(d Date, x UInt32) ENGINE MergeTree(d, x, 8192);
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ALTER TABLE old_style ADD COLUMN y UInt32, MODIFY ORDER BY (x, y); -- { serverError 36}
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DROP TABLE old_style;
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DROP TABLE IF EXISTS summing;
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CREATE TABLE summing(x UInt32, y UInt32, val UInt32) ENGINE SummingMergeTree ORDER BY (x, y);
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/* Can't add an expression with existing column to ORDER BY. */
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ALTER TABLE summing MODIFY ORDER BY (x, y, -val); -- { serverError 36}
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/* Can't add an expression with existing column to ORDER BY. */
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ALTER TABLE summing ADD COLUMN z UInt32 DEFAULT x + 1, MODIFY ORDER BY (x, y, -z); -- { serverError 36}
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/* Can't add nonexistent column to ORDER BY. */
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ALTER TABLE summing MODIFY ORDER BY (x, y, nonexistent); -- { serverError 47}
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/* Can't modyfy ORDER BY so that it is no longer a prefix of the PRIMARY KEY. */
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ALTER TABLE summing MODIFY ORDER BY x; -- { serverError 36}
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INSERT INTO summing(x, y, val) VALUES (1, 2, 10), (1, 2, 20);
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ALTER TABLE summing ADD COLUMN z UInt32 AFTER y, MODIFY ORDER BY (x, y, -z);
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INSERT INTO summing(x, y, z, val) values (1, 2, 1, 30), (1, 2, 2, 40), (1, 2, 2, 50);
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SELECT '*** Check that the parts are sorted according to the new key. ***';
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SELECT * FROM summing ORDER BY _part;
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SELECT '*** Check that the rows are collapsed according to the new key. ***';
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SELECT * FROM summing FINAL ORDER BY x, y, z;
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SELECT '*** Check SHOW CREATE TABLE ***';
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SHOW CREATE TABLE summing;
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DROP TABLE summing;
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