doc: Clarify logical replication details

Document more explicitly that the target table can have more columns
than the source table.

Reported-by: Euler Taveira <euler@timbira.com.br>

diff --git a/doc/src/sgml/logical-replication.sgml b/doc/src/sgml/logical-replication.sgml
index 8c70ce3b6e40403cb50d432f106fbb6b4be16d2c..7bfff24a68f9bec9da4950a047b0658d8168bbe4 100644 (file)
--- a/doc/src/sgml/logical-replication.sgml
+++ b/doc/src/sgml/logical-replication.sgml
@@ -200,7 +200,9 @@
 
   <para>
    Columns of a table are also matched by name.  A different order of columns
-   in the target table is allowed, but the column types have to match.
+   in the target table is allowed, but the column types have to match.  The
+   target table can have additional columns not provided by the published
+   table.  Those will be filled with their default values.
   </para>
  </sect1>