ClickHouse/dbms/tests/integration/test_dictionaries/configs/dictionaries/dictionary_preset_dep_x.xml

    <dictionaries>
        <dictionary>
            <name>dep_x</name>
            <source>
                <clickhouse>
                    <host>localhost</host>
                    <port>9000</port>
                    <user>default</user>
                    <password></password>
                    <db>dict</db>
                    <table>dep_z</table>
                </clickhouse>
            </source>
            <lifetime>60</lifetime>
            <layout>
                <flat/>
            </layout>
            <structure>
                <id>
                    <name>id</name>
                </id>
                <attribute>
                    <name>String_</name>
                    <type>String</type>
                    <null_value>XX</null_value>
                </attribute>
            </structure>
        </dictionary>
    </dictionaries>