Change path in example of file_fdw for logs
It's better to use a relative path into the data directory, than to a
hardcoded home directory of user 'josh'.
Discussion:
@@ -267,7 +267,7 @@ CREATE FOREIGN TABLE pglog (
application_name text,
backend_type text
) SERVER pglog
-OPTIONS ( filename '/home/josh/data/log/pglog.csv', format 'csv' );
+OPTIONS ( filename log/pglog.csv', format 'csv' );
</programlisting>
</para>
