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Update back-branch release notes.

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Tom Lane 2008-09-19 02:46:08 +00:00
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doc/src/sgml/release.sgml
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.235.2.63 2008/06/07 22:11:40 tgl Exp $ --> <!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.235.2.64 2008/09/19 02:46:08 tgl Exp $ -->
<!-- <!--
Typical markup: Typical markup:
@ -63,6 +63,82 @@ do it for earlier branch release files.
review, so each item is truly a community effort. review, so each item is truly a community effort.
</para> </para>
<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"> <sect1 id="release-7-4-21">
<title>Release 7.4.21</title> <title>Release 7.4.21</title>