ClickHouse/tests/performance/trim_urls.xml

<test>

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



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

    <query>SELECT ignore({func}URL)) FROM hits_100m_single LIMIT 50000000 FORMAT Null</query>
</test>