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https://github.com/ClickHouse/ClickHouse.git
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82 lines
3.0 KiB
SQL
82 lines
3.0 KiB
SQL
SELECT '*** Replicated with sampling ***';
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DROP TABLE IF EXISTS test.replicated_with_sampling;
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CREATE TABLE test.replicated_with_sampling(x UInt8)
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ENGINE ReplicatedMergeTree('/clickhouse/tables/test/replicated_with_sampling', 'r1')
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ORDER BY x
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SAMPLE BY x;
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INSERT INTO test.replicated_with_sampling VALUES (1), (128);
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SELECT sum(x) FROM test.replicated_with_sampling SAMPLE 1/2;
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DROP TABLE test.replicated_with_sampling;
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SELECT '*** Replacing with implicit version ***';
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DROP TABLE IF EXISTS test.replacing;
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CREATE TABLE test.replacing(d Date, x UInt32, s String) ENGINE = ReplacingMergeTree ORDER BY x PARTITION BY d;
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INSERT INTO test.replacing VALUES ('2017-10-23', 1, 'a');
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INSERT INTO test.replacing VALUES ('2017-10-23', 1, 'b');
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INSERT INTO test.replacing VALUES ('2017-10-23', 1, 'c');
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OPTIMIZE TABLE test.replacing PARTITION '2017-10-23' FINAL;
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SELECT * FROM test.replacing;
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DROP TABLE test.replacing;
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SELECT '*** Replicated Collapsing ***';
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DROP TABLE IF EXISTS test.replicated_collapsing;
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CREATE TABLE test.replicated_collapsing(d Date, x UInt32, sign Int8)
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ENGINE = ReplicatedCollapsingMergeTree('/clickhouse/tables/test/replicated_collapsing', 'r1', sign)
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PARTITION BY toYYYYMM(d) ORDER BY d;
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INSERT INTO test.replicated_collapsing VALUES ('2017-10-23', 1, 1);
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INSERT INTO test.replicated_collapsing VALUES ('2017-10-23', 1, -1), ('2017-10-23', 2, 1);
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SYSTEM SYNC REPLICA test.replicated_collapsing;
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OPTIMIZE TABLE test.replicated_collapsing PARTITION 201710 FINAL;
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SELECT * FROM test.replicated_collapsing;
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DROP TABLE test.replicated_collapsing;
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SELECT '*** Replicated VersionedCollapsing ***';
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DROP TABLE IF EXISTS test.replicated_versioned_collapsing;
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CREATE TABLE test.replicated_versioned_collapsing(d Date, x UInt32, sign Int8, version UInt8)
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ENGINE = ReplicatedVersionedCollapsingMergeTree('/clickhouse/tables/test/replicated_versioned_collapsing', 'r1', sign, version)
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PARTITION BY toYYYYMM(d) ORDER BY (d, version);
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INSERT INTO test.replicated_versioned_collapsing VALUES ('2017-10-23', 1, 1, 0);
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INSERT INTO test.replicated_versioned_collapsing VALUES ('2017-10-23', 1, -1, 0), ('2017-10-23', 2, 1, 0);
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INSERT INTO test.replicated_versioned_collapsing VALUES ('2017-10-23', 1, -1, 1), ('2017-10-23', 2, 1, 2);
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SYSTEM SYNC REPLICA test.replicated_versioned_collapsing;
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OPTIMIZE TABLE test.replicated_versioned_collapsing PARTITION 201710 FINAL;
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SELECT * FROM test.replicated_versioned_collapsing;
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DROP TABLE test.replicated_versioned_collapsing;
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SELECT '*** Table definition with SETTINGS ***';
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DROP TABLE IF EXISTS test.with_settings;
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CREATE TABLE test.with_settings(x UInt32)
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ENGINE ReplicatedMergeTree('/clickhouse/tables/test/with_settings', 'r1')
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ORDER BY x
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SETTINGS replicated_can_become_leader = 0;
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SELECT sleep(1); -- If replicated_can_become_leader were true, this replica would become the leader after 1 second.
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SELECT is_leader FROM system.replicas WHERE database = 'test' AND table = 'with_settings';
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DROP TABLE test.with_settings;
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