ALTER SUBSCRIPTION / REFRESH docs: explain copy_data

alvherre · alvherre · commit 75cdf24ec3f8 · 2020-02-05T15:05:14.000-03:00
The docs are ambiguous as to which tables would be copied over when the copy_data parameter is true in ALTER SUBSCRIPTION ... REFRESH PUBLICATION. Make it clear that it only applies to tables which are new in the publication. Author: David Christensen (reword by Álvaro Herrera) Discussion: https://postgr.es/m/95339420-7F09-4F8C-ACC0-8F1CFAAD9CD7@endpoint.com
diff --git a/doc/src/sgml/ref/alter_subscription.sgml b/doc/src/sgml/ref/alter_subscription.sgml
@@ -128,7 +128,8 @@ ALTER SUBSCRIPTION <replaceable class="parameter">name</replaceable> RENAME TO <
          <para>
           Specifies whether the existing data in the publications that are
           being subscribed to should be copied once the replication starts.
-          The default is <literal>true</literal>.
+          The default is <literal>true</literal>.  (Previously subscribed
+          tables are not copied.)
          </para>
         </listitem>
        </varlistentry>
