From 4db226b756529ea4d357a4af507c6ed2c31415c0 Mon Sep 17 00:00:00 2001
From: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: Thu, 30 Aug 2018 05:39:56 -0300
Subject: [PATCH] Mention change of width of values generated by SERIAL
 sequences

This changed during pg10 development, but had not been documented.

Co-authored-by: Jonathan S. Katz <jkatz@postgresql.org>
Discussion: https://postgr.es/m/20180828163408.vl44nwetdybwffyk@alvherre.pgsql
---
 doc/src/sgml/release-10.sgml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/src/sgml/release-10.sgml b/doc/src/sgml/release-10.sgml
index f1b0f2e0bf..b5bf035abd 100644
--- a/doc/src/sgml/release-10.sgml
+++ b/doc/src/sgml/release-10.sgml
@@ -4716,6 +4716,13 @@ Branch: REL_10_STABLE [5159626af] 2017-11-03 14:14:16 -0400
       more compatible with existing code.
      </para>
 
+     <para>
+      Also, sequences created for <literal>SERIAL</literal> columns now generate
+      positive 32-bit wide values, whereas previous versions generated 64-bit
+      wide values.  This has no visible effect if the values are only stored in
+      a column.
+     </para>
+
      <para>
       The output of <application>psql</application>'s <command>\d</command> command for a
       sequence has been redesigned, too.
-- 
2.40.0