</para></entry>
</row>
+ <row>
+ <entry role="catalog_table_entry"><para role="column_definition">
+ <structfield>fdwconnection</structfield> <type>oid</type>
+ (references <link linkend="catalog-pg-proc"><structname>pg_proc</structname></link>.<structfield>oid</structfield>)
+ </para>
+ <para>
+ References a connection function that is responsible for creating a
+ connection string for a subscription when the subscription uses a
+ server based on this foreign-data wrapper. Zero if this foreign-data
+ wrapper does not support subscription connections.
+ </para></entry>
+ </row>
+
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>fdwacl</structfield> <type>aclitem[]</type>
</para></entry>
</row>
+ <row>
+ <entry role="catalog_table_entry"><para role="column_definition">
+ <structfield>subserver</structfield> <type>oid</type>
+ (references <link linkend="catalog-pg-foreign-server"><structname>pg_foreign_server</structname></link>.<structfield>oid</structfield>)
+ </para>
+ <para>
+ Foreign server to use for the connection string. Zero if <structfield>subconninfo</structfield> is nonnull.
+ </para></entry>
+ </row>
+
<row>
<entry role="catalog_table_entry"><para role="column_definition">
<structfield>subconninfo</structfield> <type>text</type>
</para>
<para>
- Connection string to the upstream database
+ Connection string to the upstream database. <literal>NULL</literal> if <structfield>subserver</structfield> is nonzero.
</para></entry>
</row>