ClickHouse/tests/performance/sort_patterns.xml

<test>
    <substitutions>
        <substitution>
            <name>integer_type</name>
            <values>
                <value>UInt32</value>
                <value>UInt64</value>
            </values>
        </substitution>
        <substitution>
            <name>sort_expression</name>
            <values>
                <value>key</value>
                <value>key, value</value>
                <value>key DESC</value>
                <value>key DESC, value DESC</value>
            </values>
        </substitution>
    </substitutions>

    <create_query>CREATE TABLE sequential_{integer_type} (key {integer_type}, value {integer_type}) Engine = Memory</create_query>

    <fill_query>INSERT INTO sequential_{integer_type} SELECT number, number FROM numbers(500000000)</fill_query>

    <query>SELECT key, value FROM sequential_{integer_type} ORDER BY {sort_expression} FORMAT Null</query>

    <drop_query>DROP TABLE IF EXISTS sequential_{integer_type}</drop_query>
</test>