ClickHouse/dbms/tests/performance/right.xml

<test>
    <type>loop</type>

    <preconditions>
        <table_exists>hits_100m_single</table_exists>
    </preconditions>

    <stop_conditions>
        <all_of>
            <total_time_ms>10000</total_time_ms>
        </all_of>
        <any_of>
            <average_speed_not_changing_for_ms>5000</average_speed_not_changing_for_ms>
            <total_time_ms>20000</total_time_ms>
        </any_of>
    </stop_conditions>

    <main_metric>
        <min_time/>
    </main_metric>

    <substitutions>
        <substitution>
           <name>func</name>
           <values>
               <value>right(URL, 16)</value>
               <value>substring(URL, greatest(minus(plus(length(URL), 1), 16), 1))</value>
           </values>
       </substitution>
    </substitutions>

    <query>SELECT count() FROM hits_100m_single WHERE NOT ignore({func})</query>
</test>