mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 10:22:10 +00:00
49 lines
2.2 KiB
MySQL
49 lines
2.2 KiB
MySQL
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DROP TABLE IF EXISTS test.stripe1;
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DROP TABLE IF EXISTS test.stripe2;
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DROP TABLE IF EXISTS test.stripe3;
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DROP TABLE IF EXISTS test.stripe4;
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DROP TABLE IF EXISTS test.stripe5;
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DROP TABLE IF EXISTS test.stripe6;
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DROP TABLE IF EXISTS test.stripe7;
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DROP TABLE IF EXISTS test.stripe8;
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DROP TABLE IF EXISTS test.stripe9;
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DROP TABLE IF EXISTS test.stripe10;
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DROP TABLE IF EXISTS test.merge;
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CREATE TABLE test.stripe1 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe2 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe3 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe4 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe5 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe6 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe7 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe8 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe9 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.stripe10 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE test.merge AS test.stripe1 ENGINE = Merge(test, '^stripe\\d+');
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SELECT x, count() FROM test.merge GROUP BY x ORDER BY x;
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SET max_threads = 1;
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SELECT x, count() FROM test.merge GROUP BY x ORDER BY x;
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SET max_threads = 2;
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SELECT x, count() FROM test.merge GROUP BY x ORDER BY x;
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SET max_threads = 5;
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SELECT x, count() FROM test.merge GROUP BY x ORDER BY x;
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SET max_threads = 10;
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SELECT x, count() FROM test.merge GROUP BY x ORDER BY x;
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SET max_threads = 20;
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SELECT x, count() FROM test.merge GROUP BY x ORDER BY x;
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DROP TABLE IF EXISTS test.stripe1;
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DROP TABLE IF EXISTS test.stripe2;
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DROP TABLE IF EXISTS test.stripe3;
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DROP TABLE IF EXISTS test.stripe4;
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DROP TABLE IF EXISTS test.stripe5;
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DROP TABLE IF EXISTS test.stripe6;
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DROP TABLE IF EXISTS test.stripe7;
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DROP TABLE IF EXISTS test.stripe8;
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DROP TABLE IF EXISTS test.stripe9;
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DROP TABLE IF EXISTS test.stripe10;
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DROP TABLE IF EXISTS test.merge;
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