From 01bc589a464964475a0718497ebd21af5bc7338e Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Fri, 2 Oct 2015 16:55:47 -0400
Subject: [PATCH] Clarify FDW documentation about ON CONFLICT.

Etsuro Fujita, reviewed by Peter Geoghegan
---
 doc/src/sgml/fdwhandler.sgml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/doc/src/sgml/fdwhandler.sgml b/doc/src/sgml/fdwhandler.sgml
index 1dac7ad11ed..4c410c79168 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>
-- 
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