From d56fd6357a5e0e76fecf20c3dc762c5301290331 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sat, 11 May 2019 16:42:05 -0400
Subject: [PATCH] docs:  PG 12 release notes, mention that REINDEX could now
 fail

This is because of the new tid in the index entry.

Reported-by: Peter Geoghegan
---
 doc/src/sgml/release-12.sgml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/src/sgml/release-12.sgml b/doc/src/sgml/release-12.sgml
index cc0070f13a..5777eea262 100644
--- a/doc/src/sgml/release-12.sgml
+++ b/doc/src/sgml/release-12.sgml
@@ -252,6 +252,12 @@ Previously, <command>\pset format a</command> chose <literal>aligned</literal>;
 </para>
 </listitem>
 
+<listitem>
+<para>
+The maximum btree index length is now reduced by eight bytes;  a <xref linkend="sql-reindex"/> operation could potentially fail.
+</para>
+</listitem>
+
 <listitem>
 <!--
 Author: Tom Lane <tgl@sss.pgh.pa.us>
-- 
2.40.0