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28 lines
969 B
SQL
28 lines
969 B
SQL
DROP TABLE IF EXISTS alter;
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CREATE TABLE alter (d Date, x UInt8) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/alter', 'r1', d, (d), 8192);
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INSERT INTO alter VALUES ('2014-01-01', 1);
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ALTER TABLE alter DROP COLUMN x;
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SELECT value FROM system.zookeeper WHERE path = '/clickhouse/tables/test/alter/replicas/r1/parts/20140101_20140101_0_0_0' AND name = 'columns' FORMAT TabSeparatedRaw;
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DROP TABLE alter;
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CREATE TABLE alter (d Date) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/alter', 'r1', d, (d), 8192);
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INSERT INTO alter VALUES ('2014-01-01');
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SELECT * FROM alter ORDER BY d;
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ALTER TABLE alter ADD COLUMN x UInt8;
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INSERT INTO alter VALUES ('2014-02-01', 1);
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SELECT * FROM alter ORDER BY d;
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ALTER TABLE alter DROP COLUMN x;
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SELECT * FROM alter ORDER BY d;
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SELECT value FROM system.zookeeper WHERE path = '/clickhouse/tables/test/alter/replicas/r1/parts/20140201_20140201_0_0_0' AND name = 'columns' FORMAT TabSeparatedRaw;
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DROP TABLE alter;
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