ClickHouse/tests/integration/test_dictionaries_postgresql/configs/postgres_dict.xml

<?xml version="1.0"?>
<yandex>
   <dictionary>
      <name>dict0</name>
      <source>
         <postgresql>
            <db>clickhouse</db>
            <host>postgres1</host>
            <port>5432</port>
            <user>postgres</user>
            <password>mysecretpassword</password>
            <table>test0</table>
            <invalidate_query>SELECT value FROM test0 WHERE id = 0</invalidate_query>
         </postgresql>
      </source>
      <layout>
         <hashed/>
      </layout>
      <structure>
         <id>
            <name>id</name>
            <type>UInt32</type>
         </id>
         <attribute>
            <name>id</name>
            <type>UInt32</type>
            <null_value></null_value>
         </attribute>
         <attribute>
            <name>value</name>
            <type>UInt32</type>
            <null_value></null_value>
         </attribute>
      </structure>
      <lifetime>1</lifetime>
  </dictionary>
</yandex>