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28 lines
625 B
MySQL
28 lines
625 B
MySQL
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USE test;
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DROP TABLE IF EXISTS test;
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DROP TABLE IF EXISTS replacing;
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CREATE TABLE test
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(
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date Date,
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x Int32,
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ver UInt64
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)
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ENGINE = MergeTree(date, x, 4096);
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INSERT INTO test VALUES ('2018-03-21', 1, 1), ('2018-03-21', 1, 2);
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CREATE TABLE replacing ENGINE = ReplacingMergeTree(date, x, 4096, ver) AS SELECT * FROM test;
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SELECT * FROM test ORDER BY ver;
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SELECT * FROM replacing ORDER BY ver;
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SELECT * FROM replacing FINAL ORDER BY ver;
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OPTIMIZE TABLE replacing PARTITION '201803' FINAL;
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SELECT * FROM replacing ORDER BY ver;
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SELECT * FROM replacing FINAL ORDER BY ver;
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DROP TABLE test;
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DROP TABLE replacing;
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