ClickHouse/tests/performance/aggregation_in_order_2.xml

<test>
    <settings>
        <optimize_aggregation_in_order>1</optimize_aggregation_in_order>
        <max_insert_block_size>10000000</max_insert_block_size>
        <max_threads>30</max_threads>
    </settings>

    <substitutions>
        <substitution>
            <name>uniqs</name>
            <values>
                <value>100</value>
                <value>10000</value>
                <value>1000000</value>
            </values>
        </substitution>
    </substitutions>

    <create_query>CREATE TABLE mt_30_parts_{uniqs}_uniqs(id UInt32, val1 UInt32, val2 UInt32) ENGINE = MergeTree ORDER BY val1 PARTITION BY id % 30 SETTINGS parts_to_throw_insert=10000, parts_to_delay_insert=10000</create_query>
    <fill_query>SYSTEM STOP MERGES mt_30_parts_{uniqs}_uniqs</fill_query>
    <fill_query>INSERT INTO mt_30_parts_{uniqs}_uniqs SELECT number, rand() % {uniqs}, rand() FROM numbers_mt(100000000) SETTINGS max_block_size=10000000</fill_query>
    <fill_query>SYSTEM START MERGES mt_30_parts_{uniqs}_uniqs</fill_query>
    <fill_query>OPTIMIZE TABLE mt_30_parts_{uniqs}_uniqs FINAL</fill_query>

    <query>SELECT sum(val2) FROM mt_30_parts_{uniqs}_uniqs GROUP BY val1 FORMAT Null</query>
    <query>SELECT groupArray(val2) FROM mt_30_parts_{uniqs}_uniqs GROUP BY val1 FORMAT Null</query>
    <query>SELECT uniqExact(val2) FROM mt_30_parts_{uniqs}_uniqs GROUP BY val1 FORMAT Null</query>

    <drop_query>DROP TABLE IF EXISTS mt_30_parts_{uniqs}_uniqs</drop_query>
</test>