From: Robert Haas <rhaas@postgresql.org>
Date: Fri, 2 Oct 2015 20:55:47 +0000 (-0400)
Subject: Clarify FDW documentation about ON CONFLICT.
X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=01bc589a464964475a0718497ebd21af5bc7338e;p=users%2Frhaas%2Fpostgres.git

Clarify FDW documentation about ON CONFLICT.

Etsuro Fujita, reviewed by Peter Geoghegan
---

diff --git a/doc/src/sgml/fdwhandler.sgml b/doc/src/sgml/fdwhandler.sgml
index 1dac7ad11e..4c410c7916 100644
--- a/doc/src/sgml/fdwhandler.sgml
+++ b/doc/src/sgml/fdwhandler.sgml
@@ -1196,9 +1196,10 @@ GetForeignServerByName(const char *name, bool missing_ok);
 
     <para>
      <command>INSERT</> with an <literal>ON CONFLICT</> clause does not
-     support specifying the conflict target, as remote constraints are not
-     locally known. This in turn implies that <literal>ON CONFLICT DO
-     UPDATE</> is not supported, since the specification is mandatory there.
+     support specifying the conflict target, as unique constraints or
+     exclusion constraints on remote tables are not locally known. This
+     in turn implies that <literal>ON CONFLICT DO UPDATE</> is not supported,
+     since the specification is mandatory there.
     </para>
 
    </sect1>