From 7b614c78be50a3a1ababa5ff810640fcc5829194 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Mon, 28 May 2018 13:16:02 -0400
Subject: [PATCH] doc:  adjust DECLARE docs to mention FOR UPDATE behavior

Reported-by: Peter Eisentraut

Discussion: https://postgr.es/m/8dc63ba7-dc56-fc7c-fc16-4fae03e3bfe6@2ndquadrant.com

Author: Peter Eisentraut, Tom Lane, me

Backpatch-through: 9.3
---
 doc/src/sgml/ref/declare.sgml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/src/sgml/ref/declare.sgml b/doc/src/sgml/ref/declare.sgml
index 5cb85cc568..864c3d75f7 100644
--- a/doc/src/sgml/ref/declare.sgml
+++ b/doc/src/sgml/ref/declare.sgml
@@ -271,7 +271,8 @@ DECLARE <replaceable class="parameter">name</replaceable> [ BINARY ] [ INSENSITI
      and not use grouping or <literal>ORDER BY</>).  Cursors
      that are not simply updatable might work, or might not, depending on plan
      choice details; so in the worst case, an application might work in testing
-     and then fail in production.
+     and then fail in production.  If <literal>FOR UPDATE</literal> is
+     specified, the cursor is guaranteed to be updatable.
     </para>
 
     <para>