ClickHouse/dbms/tests/performance/string_sort.xml

<test>
    <name>String sorting</name>

    <preconditions>
        <table_exists>hits_10m_single</table_exists>
    </preconditions>

    <type>loop</type>

    <stop_conditions>
        <all_of>
            <iterations>5</iterations>
            <min_time_not_changing_for_ms>10000</min_time_not_changing_for_ms>
        </all_of>
        <any_of>
            <iterations>50</iterations>
            <total_time_ms>60000</total_time_ms>
        </any_of>
    </stop_conditions>

    <substitutions>
       <substitution>
           <name>str1</name>
           <values>
               <value>URL</value>
               <value>Referer</value>
               <value>Title</value>
               <value>SearchPhrase</value>
               <value>MobilePhoneModel</value>
               <value>PageCharset</value>
           </values>
       </substitution>
       <substitution>
           <name>str2</name>
           <values>
               <value>URL</value>
               <value>Referer</value>
               <value>Title</value>
               <value>SearchPhrase</value>
               <value>MobilePhoneModel</value>
               <value>PageCharset</value>
           </values>
       </substitution>
    </substitutions>

    <query><![CDATA[SELECT {str1} FROM hits_10m_single ORDER BY {str1} LIMIT 10]]></query>
    <query><![CDATA[SELECT {str1} FROM hits_10m_single ORDER BY {str1} LIMIT 9000000, 10]]></query>

    <query><![CDATA[SELECT {str1}, {str2} FROM hits_10m_single ORDER BY {str1}, {str2} LIMIT 10]]></query>
    <query><![CDATA[SELECT {str1}, {str2} FROM hits_10m_single ORDER BY {str1}, {str2} LIMIT 9000000, 10]]></query>

    <main_metric>
        <min_time/>
    </main_metric>
</test>