ClickHouse/dbms/tests/performance/base64.xml

<test>
    <name>base64</name>
    <type>once</type>

    <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>
        <max_bytes_per_second/>
    </main_metric>

    <substitutions>
        <substitution>
           <name>string</name>
           <values>
               <value>materialize('Hello, world!')</value>
               <value>materialize('This is a long string to test ClickHouse base64 functions impl..')</value>
               <value>toString(number)</value>
           </values>
        </substitution>
        <substitution>
           <name>table</name>
           <values>
               <value>numbers</value>
               <value>numbers_mt</value>
           </values>
        </substitution>
    </substitutions>

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