ClickHouse/tests/integration/test_quota/tiny_limits.xml

<clickhouse>
   <quotas>
        <myQuota>
            <interval>
                <!-- Length of interval = 1 year -->
                <duration>31556952</duration>

                <!-- Tiny limits. -->
                <queries>1</queries>
                <query_selects>1</query_selects>
                <query_inserts>1</query_inserts>
                <errors>1</errors>
                <read_rows>1</read_rows>
                <result_rows>1</result_rows>
            </interval>
        </myQuota>
    </quotas>
</clickhouse>