From 9ca010304df9604fe9bc9476b60a0a946d49aeb4 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 19 Sep 2008 02:45:56 +0000
Subject: [PATCH] Update back-branch release notes.

---
 doc/src/sgml/release.sgml | 212 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 211 insertions(+), 1 deletion(-)

diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml
index 37a097b33c..4be3426f94 100644
--- a/doc/src/sgml/release.sgml
+++ b/doc/src/sgml/release.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.321.4.45 2008/06/07 22:11:25 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.321.4.46 2008/09/19 02:45:56 tgl Exp $ -->
 <!--
 
 Typical markup:
@@ -63,6 +63,140 @@ do it for earlier branch release files.
    review, so each item is truly a community effort.
   </para>
 
+ <sect1 id="release-8-0-18">
+  <title>Release 8.0.18</title>
+
+  <note>
+  <title>Release date</title>
+  <simpara>2008-09-22</simpara>
+  </note>
+
+  <para>
+   This release contains a variety of fixes from 8.0.17.
+   For information about new features in the 8.0 major release, see
+   <xref linkend="release-8-0">.
+  </para>
+
+  <sect2>
+   <title>Migration to Version 8.0.18</title>
+
+   <para>
+    A dump/restore is not required for those running 8.0.X.
+    However, if you are upgrading from a version earlier than 8.0.6,
+    see the release notes for 8.0.6.
+   </para>
+
+  </sect2>
+
+  <sect2>
+   <title>Changes</title>
+
+   <itemizedlist>
+
+    <listitem>
+     <para>
+      Widen local lock counters from 32 to 64 bits (Tom)
+     </para>
+
+     <para>
+      This responds to reports that the counters could overflow in
+      sufficiently long transactions, leading to unexpected <quote>lock is
+      already held</> errors.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Add checks in executor startup to ensure that the tuples produced by an
+      <command>INSERT</> or <command>UPDATE</> will match the target table's
+      current rowtype (Tom)
+     </para>
+
+     <para>
+      <command>ALTER COLUMN TYPE</>, followed by re-use of a previously
+      cached plan, could produce this type of situation.  The check protects
+      against data corruption and/or crashes that could ensue.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix datetime input functions to correctly detect integer overflow when
+      running on a 64-bit platform (Tom)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Improve performance of writing very long log messages to syslog (Tom)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix bug in backwards scanning of a cursor on a <literal>SELECT DISTINCT
+      ON</> query (Tom)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix planner to estimate that <literal>GROUP BY</> expressions yielding
+      boolean results always result in two groups, regardless of the
+      expressions' contents (Tom)
+     </para>
+
+     <para>
+      This is very substantially more accurate than the regular <literal>GROUP
+      BY</> estimate for certain boolean tests like <replaceable>col</>
+      <literal>IS NULL</>.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix PL/Tcl to behave correctly with Tcl 8.5, and to be more careful
+      about the encoding of data sent to or from Tcl (Tom)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix PL/Python to work with Python 2.5
+     </para>
+
+     <para>
+      This is a back-port of fixes made during the 8.2 development cycle.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Improve <application>pg_dump</> and <application>pg_restore</>'s
+      error reporting after failure to send a SQL command (Tom)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix <application>pg_ctl</> to properly preserve postmaster
+      command-line arguments across a <literal>restart</> (Bruce)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Update time zone data files to <application>tzdata</> release 2008f (for
+      DST law changes in Argentina, Bahamas, Brazil, Mauritius, Morocco,
+      Pakistan, Palestine, and Paraguay)
+     </para>
+    </listitem>
+
+   </itemizedlist>
+
+  </sect2>
+ </sect1>
+
  <sect1 id="release-8-0-17">
   <title>Release 8.0.17</title>
 
@@ -4211,6 +4345,82 @@ typedefs (Michael)</para></listitem>
   </sect2>
  </sect1>
 
+ <sect1 id="release-7-4-22">
+  <title>Release 7.4.22</title>
+
+  <note>
+  <title>Release date</title>
+  <simpara>2008-09-22</simpara>
+  </note>
+
+  <para>
+   This release contains a variety of fixes from 7.4.21.
+   For information about new features in the 7.4 major release, see
+   <xref linkend="release-7-4">.
+  </para>
+
+  <sect2>
+   <title>Migration to Version 7.4.22</title>
+
+   <para>
+    A dump/restore is not required for those running 7.4.X.
+    However, if you are upgrading from a version earlier than 7.4.11,
+    see the release notes for 7.4.11.
+   </para>
+
+  </sect2>
+
+  <sect2>
+   <title>Changes</title>
+
+   <itemizedlist>
+
+    <listitem>
+     <para>
+      Fix datetime input functions to correctly detect integer overflow when
+      running on a 64-bit platform (Tom)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Improve performance of writing very long log messages to syslog (Tom)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix bug in backwards scanning of a cursor on a <literal>SELECT DISTINCT
+      ON</> query (Tom)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix planner to estimate that <literal>GROUP BY</> expressions yielding
+      boolean results always result in two groups, regardless of the
+      expressions' contents (Tom)
+     </para>
+
+     <para>
+      This is very substantially more accurate than the regular <literal>GROUP
+      BY</> estimate for certain boolean tests like <replaceable>col</>
+      <literal>IS NULL</>.
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Improve <application>pg_dump</> and <application>pg_restore</>'s
+      error reporting after failure to send a SQL command (Tom)
+     </para>
+    </listitem>
+
+   </itemizedlist>
+
+  </sect2>
+ </sect1>
+
  <sect1 id="release-7-4-21">
   <title>Release 7.4.21</title>