ClickHouse/tests/performance/base64_hits.xml

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

    <settings>
        <max_threads>1</max_threads>
    </settings>

    <substitutions>
        <substitution>
           <name>string</name>
           <values>
               <value>SearchPhrase</value>
               <value>MobilePhoneModel</value>
               <value>URL</value>
               <value>Title</value>
           </values>
        </substitution>
    </substitutions>

    <query>SELECT count() FROM hits_10m_single WHERE NOT ignore(base64Encode({string}))</query>
    <query>SELECT count() FROM hits_10m_single WHERE base64Decode(base64Encode({string})) != {string}</query>
    <query>SELECT count() FROM hits_10m_single WHERE tryBase64Decode(base64Encode({string})) != {string}</query>
</test>