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rienath
4bef0f8f7c
It's been slow for long time https://play.clickhouse.com/play?user=play#U0VMRUNUIHRvU3RhcnRPZkRheShjaGVja19zdGFydF90aW1lKSBhcyBkLCB0ZXN0X25hbWUsIG1heCh0ZXN0X2R1cmF0aW9uX21zKSwgYW55KHJlcG9ydF91cmwpCkZST00gY2hlY2tzCldIRVJFCiAgICBjaGVja19uYW1lIExJS0UgJyVhcm0lJwogICAgQU5EIGNoZWNrX3N0YXJ0X3RpbWUgPj0gbm93KCkgLSBJTlRFUlZBTCAzNjUgZGF5CiAgICBBTkQgcHVsbF9yZXF1ZXN0X251bWJlciA9IDAKICAgIEFORCB0ZXN0X25hbWUgbGlrZSAnJXVuaXFFeGFjdF93aXRoX2tleV9wYXJhbGxlbF9tZXJnaW5nICMwJScKR1JPVVAgQlkgdGVzdF9uYW1lLCBkCk9SREVSIEJZIGQsIHRlc3RfbmFtZSBMSU1JVCAzMDA= It also is red in perf reports https://s3.amazonaws.com/clickhouse-test-reports/PRs/101209/8b9b9df0524168ae9766015838ec0535f6549348/performance_comparison_amd_release_master_head_2_6/all-queries.html
31 lines
691 B
XML
31 lines
691 B
XML
<test>
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<create_query>
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CREATE TABLE test (a UInt64, b UInt64) ENGINE = MergeTree() ORDER BY () AS SELECT number, intDiv(number, 10) FROM numbers_mt(5e7);
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</create_query>
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<substitutions>
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<substitution>
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<name>threads</name>
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<values>
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<value>1</value>
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<value>2</value>
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<value>4</value>
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<value>8</value>
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</values>
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</substitution>
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</substitutions>
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<query>
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SELECT
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multiIf(a >= 100000 AND a < 10000000, 0, 1) AS index,
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COUNT(DISTINCT b) AS total
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FROM test
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GROUP BY 1
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SETTINGS max_threads = {threads};
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</query>
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<drop_query>
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DROP TABLE test;
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</drop_query>
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</test>
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