mirror of
https://github.com/ClickHouse/ClickHouse.git
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69 lines
2.6 KiB
SQL
69 lines
2.6 KiB
SQL
DROP TABLE IF EXISTS test.r1;
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DROP TABLE IF EXISTS test.r2;
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DROP TABLE IF EXISTS test.r3;
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CREATE TABLE test.r1 (d Date DEFAULT today(), x UInt64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/01/r/', 'r1', d, x, 111);
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INSERT INTO test.r1 VALUES ('2014-10-02', 1);
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INSERT INTO test.r1 VALUES ('2014-10-01', 2);
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SELECT '--- two rows below --';
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r1'; -- 2
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SELECT d, x FROM test.r1 ORDER BY d, x;
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ALTER TABLE test.r1 DETACH PARTITION 201410;
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SELECT '--- zero rows below --';
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r1'; -- empty result
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SELECT d, x FROM test.r1 ORDER BY d, x; -- empty result
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ALTER TABLE test.r1 ATTACH PART '20141001_20141001_201_201_0';
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SELECT '--- one row below --';
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r1'; -- 1
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SELECT d, x FROM test.r1 ORDER BY d, x;
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ALTER TABLE test.r1 ATTACH PART '20141002_20141002_200_200_0';
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SELECT '--- two rows below --';
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r1'; -- 2
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SELECT d, x FROM test.r1 ORDER BY d, x;
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SET replication_alter_partitions_sync = 2;
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SELECT '--- two rows below --';
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r1' AND active; -- 2
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SELECT d, x FROM test.r1 ORDER BY d, x;
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CREATE TABLE test.r2 (d Date DEFAULT today(), x UInt64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/01/r/', 'r2', d, x, 111);
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CREATE TABLE test.r3 (d Date DEFAULT today(), x UInt64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/01/r/', 'r3', d, x, 111);
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INSERT INTO test.r2 VALUES ('2015-01-02', 3);
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INSERT INTO test.r2 VALUES ('2015-01-01', 4);
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r2'; -- 4
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SELECT d, x FROM test.r2 ORDER BY d, x;
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ALTER TABLE test.r2 DETACH PARTITION 201501;
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SELECT '--- 2 * 3 rows below --';
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r2'; -- 2
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SELECT d, x FROM test.r1 ORDER BY d, x;
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SELECT d, x FROM test.r2 ORDER BY d, x;
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SELECT d, x FROM test.r3 ORDER BY d, x;
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ALTER TABLE test.r1 ATTACH PARTITION 201501;
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SELECT '--- 4 * 3 rows below --';
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SELECT d, x FROM test.r1 ORDER BY d, x;
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SELECT d, x FROM test.r2 ORDER BY d, x;
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SELECT d, x FROM test.r3 ORDER BY d, x;
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r1' AND active; -- 4
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r2' AND active; -- 4
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SELECT count() FROM system.parts WHERE database = 'test' AND table = 'r3' AND active; -- 4
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DROP TABLE test.r1;
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DROP TABLE test.r2;
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DROP TABLE test.r3;
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