From 16417ba58e9256903fa120881aa299db0101fac5 Mon Sep 17 00:00:00 2001
From: Bruce Momjian
Date: Wed, 31 Aug 2022 20:27:27 -0400
Subject: doc:  mention that SET TIME ZONE often needs to be quoted

Also mention that time zone abbreviations are not supported.

Reported-by: philippe.godfrin@nov.com

Discussion: https://postgr.es/m/163888728952.1269.5167822676466793158@wrigleys.postgresql.org

Backpatch-through: 10
---
 doc/src/sgml/ref/set.sgml | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'doc/src')

diff --git a/doc/src/sgml/ref/set.sgml b/doc/src/sgml/ref/set.sgml
index 63f312e812a..3355dc24f60 100644
--- a/doc/src/sgml/ref/set.sgml
+++ b/doc/src/sgml/ref/set.sgml
@@ -22,7 +22,7 @@ PostgreSQL documentation
  <refsynopsisdiv>
 <synopsis>
 SET [ SESSION | LOCAL ] <replaceable class="parameter">configuration_parameter</replaceable> { TO | = } { <replaceable class="parameter">value</replaceable> | '<replaceable class="parameter">value</replaceable>' | DEFAULT }
-SET [ SESSION | LOCAL ] TIME ZONE { <replaceable class="parameter">timezone</replaceable> | LOCAL | DEFAULT }
+SET [ SESSION | LOCAL ] TIME ZONE { <replaceable class="parameter">value</replaceable> | '<replaceable class="parameter">value</replaceable>' | LOCAL | DEFAULT }
 </synopsis>
  </refsynopsisdiv>
 
@@ -191,8 +191,8 @@ SELECT setseed(<replaceable>value</replaceable>);
     <varlistentry>
      <term><literal>TIME ZONE</literal></term>
      <listitem>
-      <para><literal>SET TIME ZONE <replaceable>value</replaceable></literal> is an alias
-       for <literal>SET timezone TO <replaceable>value</replaceable></literal>.  The
+      <para><literal>SET TIME ZONE '<replaceable>value</replaceable>'</literal> is an alias
+       for <literal>SET timezone TO '<replaceable>value</replaceable>'</literal>.  The
        syntax <literal>SET TIME ZONE</literal> allows special syntax
        for the time zone specification.  Here are examples of valid
        values:
@@ -253,7 +253,8 @@ SELECT setseed(<replaceable>value</replaceable>);
       </para>
 
       <para>
-       See <xref linkend="datatype-timezones"/> for more information
+       Time zone abbreviations are not supported by <command>SET</command>;
+       see <xref linkend="datatype-timezones"/> for more information
        about time zones.
       </para>
      </listitem>
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