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88 lines
3.4 KiB
SQL
88 lines
3.4 KiB
SQL
-- Tags: long
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DROP TABLE IF EXISTS test_without_merge;
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DROP TABLE IF EXISTS test_with_merge;
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DROP TABLE IF EXISTS test_replicated;
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SELECT 'Without merge';
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CREATE TABLE test_without_merge (i Int64) ENGINE = MergeTree ORDER BY i;
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INSERT INTO test_without_merge SELECT 1;
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INSERT INTO test_without_merge SELECT 2;
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INSERT INTO test_without_merge SELECT 3;
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SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
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SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_without_merge' AND active;
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DROP TABLE test_without_merge;
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SELECT 'With merge any part range';
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CREATE TABLE test_with_merge (i Int64) ENGINE = MergeTree ORDER BY i
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SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=false;
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INSERT INTO test_with_merge SELECT 1;
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INSERT INTO test_with_merge SELECT 2;
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INSERT INTO test_with_merge SELECT 3;
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SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
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SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_with_merge' AND active;
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DROP TABLE test_with_merge;
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SELECT 'With merge partition only';
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CREATE TABLE test_with_merge (i Int64) ENGINE = MergeTree ORDER BY i
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SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=true;
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INSERT INTO test_with_merge SELECT 1;
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INSERT INTO test_with_merge SELECT 2;
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INSERT INTO test_with_merge SELECT 3;
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SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
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SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_with_merge' AND active;
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DROP TABLE test_with_merge;
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SELECT 'With merge replicated any part range';
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CREATE TABLE test_replicated (i Int64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/test02473', 'node') ORDER BY i
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SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=false;
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INSERT INTO test_replicated SELECT 1;
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INSERT INTO test_replicated SELECT 2;
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INSERT INTO test_replicated SELECT 3;
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SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
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SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_replicated' AND active;
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DROP TABLE test_replicated;
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SELECT 'With merge replicated partition only';
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CREATE TABLE test_replicated (i Int64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/test02473_partition_only', 'node') ORDER BY i
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SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=true;
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INSERT INTO test_replicated SELECT 1;
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INSERT INTO test_replicated SELECT 2;
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INSERT INTO test_replicated SELECT 3;
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SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
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SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_replicated' AND active;
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DROP TABLE test_replicated;
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SELECT 'With merge partition only and new parts';
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CREATE TABLE test_with_merge (i Int64) ENGINE = MergeTree ORDER BY i
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SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=true;
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SYSTEM STOP MERGES test_with_merge;
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-- These three parts will have min_age=6 at the time of merge
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INSERT INTO test_with_merge SELECT 1;
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INSERT INTO test_with_merge SELECT 2;
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SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
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-- These three parts will have min_age=0 at the time of merge
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-- and so, nothing will be merged.
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INSERT INTO test_with_merge SELECT 3;
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SYSTEM START MERGES test_with_merge;
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SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_with_merge' AND active;
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DROP TABLE test_with_merge;
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