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48 lines
1.6 KiB
SQL
48 lines
1.6 KiB
SQL
-- 1 shard
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SELECT '-- 1 shard, 3 replicas';
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DROP TABLE IF EXISTS test_d;
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DROP TABLE IF EXISTS test;
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CREATE TABLE test (id UInt64, date Date)
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ENGINE = MergeTree
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ORDER BY id;
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CREATE TABLE IF NOT EXISTS test_d as test
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ENGINE = Distributed(test_cluster_one_shard_three_replicas_localhost, currentDatabase(), test);
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insert into test select *, today() from numbers(100);
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SELECT count(), min(id), max(id), avg(id)
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FROM test_d
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SETTINGS enable_parallel_replicas = 2, max_parallel_replicas = 3, prefer_localhost_replica = 0, parallel_replicas_for_non_replicated_merge_tree=1;
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insert into test select *, today() from numbers(100);
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SELECT count(), min(id), max(id), avg(id)
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FROM test_d
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SETTINGS enable_parallel_replicas = 2, max_parallel_replicas = 3, prefer_localhost_replica = 0, parallel_replicas_for_non_replicated_merge_tree=1;
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-- 2 shards
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SELECT '-- 2 shards, 3 replicas each';
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DROP TABLE IF EXISTS test2_d;
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DROP TABLE IF EXISTS test2;
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CREATE TABLE test2 (id UInt64, date Date)
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ENGINE = MergeTree
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ORDER BY id;
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CREATE TABLE IF NOT EXISTS test2_d as test2
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ENGINE = Distributed(test_cluster_two_shard_three_replicas_localhost, currentDatabase(), test2, id);
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insert into test2 select *, today() from numbers(100);
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SELECT count(), min(id), max(id), avg(id)
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FROM test2_d
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SETTINGS enable_parallel_replicas = 2, max_parallel_replicas = 3, prefer_localhost_replica = 0, parallel_replicas_for_non_replicated_merge_tree=1;
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insert into test2 select *, today() from numbers(100);
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SELECT count(), min(id), max(id), avg(id)
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FROM test2_d
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SETTINGS enable_parallel_replicas = 2, max_parallel_replicas = 3, prefer_localhost_replica = 0, parallel_replicas_for_non_replicated_merge_tree=1;
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