doc: Update partitioning limitation on BEFORE triggers

Reported-by: Erwin Brandstetter <brsaweda@gmail.com>
Discussion: https://postgr.es/m/CAGHENJ6Le7S3qJJx2TvWvTwRNS3N=BtoNeb7AF2rZvfNBMeQcg@mail.gmail.com

diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml
index f45c951b2b085345ec53bdf4f12a3ccfdeacc203..d3bf38fa60b464d8d778fbc6cb9e7157d0fc487d 100644 (file)
--- a/doc/src/sgml/ddl.sgml
+++ b/doc/src/sgml/ddl.sgml
@@ -4065,8 +4065,8 @@ ALTER INDEX measurement_city_id_logdate_key
 
      <listitem>
       <para>
-       <literal>BEFORE ROW</literal> triggers, if necessary, must be defined
-       on individual partitions, not the partitioned table.
+       <literal>BEFORE ROW</literal> triggers cannot change which partition
+       is the final destination for a new row.
       </para>
      </listitem>