ClickHouse/tests/performance/trim_urls.xml

<test>
    <substitutions>
        <substitution>
           <name>func_fast</name>
           <values>
               <value>trim(</value>
               <value>ltrim(</value>
               <value>rtrim(</value>
               <value>trim(LEADING 'htpsw:/' FROM </value>
           </values>
       </substitution>
       <substitution>
           <name>func_slow</name>
           <values>
               <value>trim(TRAILING '/' FROM </value>
               <value>trim(BOTH 'htpsw:/' FROM </value>
           </values>
       </substitution>
    </substitutions>

    <query>SELECT ignore({func_fast}URL)) FROM hits_100m_single FORMAT Null</query>
    <query>SELECT ignore({func_slow}URL)) FROM hits_10m_single FORMAT Null</query>
</test>