ClickHouse/tests/performance/vectorize_aggregation_combinators.xml

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<test>
<settings>
<max_threads>1</max_threads>
</settings>
<create_query>CREATE TABLE array_data(k UInt16, v Array(UInt64)) ENGINE Log</create_query>
<fill_query>INSERT INTO array_data SELECT number % 1024, arrayWithConstant(16, number) from numbers(10000000)</fill_query>
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<query>SELECT countMerge(v) FROM (SELECT countState() v FROM zeros(1000000000)) FORMAT Null</query>
<query>SELECT countMerge(v) FROM (SELECT number % 1024 k, countState() v FROM numbers(10000000) GROUP BY k) FORMAT Null</query>
<query>SELECT sumArray(v) FROM array_data FORMAT Null</query>
<query>SELECT k, sumArray(v) FROM array_data GROUP BY k FORMAT Null</query>
<query>SELECT arrayReduce('avg', v) FROM array_data FORMAT Null</query>
<drop_query>DROP TABLE IF EXISTS array_data</drop_query>
</test>