mirror of
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49 lines
2.1 KiB
SQL
49 lines
2.1 KiB
SQL
DROP TABLE IF EXISTS stripe1;
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DROP TABLE IF EXISTS stripe2;
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DROP TABLE IF EXISTS stripe3;
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DROP TABLE IF EXISTS stripe4;
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DROP TABLE IF EXISTS stripe5;
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DROP TABLE IF EXISTS stripe6;
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DROP TABLE IF EXISTS stripe7;
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DROP TABLE IF EXISTS stripe8;
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DROP TABLE IF EXISTS stripe9;
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DROP TABLE IF EXISTS stripe10;
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DROP TABLE IF EXISTS merge_00401;
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CREATE TABLE stripe1 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe2 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe3 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe4 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe5 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe6 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe7 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe8 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe9 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE stripe10 ENGINE = StripeLog AS SELECT number AS x FROM system.numbers LIMIT 10;
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CREATE TABLE merge_00401 AS stripe1 ENGINE = Merge(currentDatabase(), '^stripe\\d+');
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SELECT x, count() FROM merge_00401 GROUP BY x ORDER BY x;
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SET max_threads = 1;
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SELECT x, count() FROM merge_00401 GROUP BY x ORDER BY x;
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SET max_threads = 2;
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SELECT x, count() FROM merge_00401 GROUP BY x ORDER BY x;
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SET max_threads = 5;
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SELECT x, count() FROM merge_00401 GROUP BY x ORDER BY x;
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SET max_threads = 10;
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SELECT x, count() FROM merge_00401 GROUP BY x ORDER BY x;
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SET max_threads = 20;
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SELECT x, count() FROM merge_00401 GROUP BY x ORDER BY x;
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DROP TABLE IF EXISTS stripe1;
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DROP TABLE IF EXISTS stripe2;
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DROP TABLE IF EXISTS stripe3;
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DROP TABLE IF EXISTS stripe4;
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DROP TABLE IF EXISTS stripe5;
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DROP TABLE IF EXISTS stripe6;
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DROP TABLE IF EXISTS stripe7;
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DROP TABLE IF EXISTS stripe8;
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DROP TABLE IF EXISTS stripe9;
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DROP TABLE IF EXISTS stripe10;
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DROP TABLE IF EXISTS merge_00401;
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