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23 lines
734 B
SQL
23 lines
734 B
SQL
DROP TABLE IF EXISTS alter_00121;
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CREATE TABLE alter_00121 (d Date, x UInt8) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/alter_00121/t1', 'r1', d, (d), 8192);
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INSERT INTO alter_00121 VALUES ('2014-01-01', 1);
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ALTER TABLE alter_00121 DROP COLUMN x;
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DROP TABLE alter_00121;
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CREATE TABLE alter_00121 (d Date) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/alter_00121/t2', 'r1', d, (d), 8192);
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INSERT INTO alter_00121 VALUES ('2014-01-01');
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SELECT * FROM alter_00121 ORDER BY d;
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ALTER TABLE alter_00121 ADD COLUMN x UInt8;
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INSERT INTO alter_00121 VALUES ('2014-02-01', 1);
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SELECT * FROM alter_00121 ORDER BY d;
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ALTER TABLE alter_00121 DROP COLUMN x;
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SELECT * FROM alter_00121 ORDER BY d;
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DROP TABLE alter_00121;
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