Release notes for 10.1, 9.6.6, 9.5.10, 9.4.15, 9.3.20, 9.2.24.

In the v10 branch, also back-patch the effects of 1ff01b390 and c29c57890
on these files, to reduce future maintenance issues.  (I'd do it further
back, except that the 9.X branches differ anyway due to xlog-to-wal
link tag renaming.)
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Tom Lane 2017-11-05 13:47:57 -05:00
parent 13406fe23d
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<!-- doc/src/sgml/release-9.2.sgml -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-9-2-24">
<title>Release 9.2.24</title>
<formalpara>
<title>Release date:</title>
<para>2017-11-09</para>
</formalpara>
<para>
This release contains a variety of fixes from 9.2.23.
For information about new features in the 9.2 major release, see
<xref linkend="release-9-2">.
</para>
<para>
This is expected to be the last <productname>PostgreSQL</productname>
release in the 9.2.X series. Users are encouraged to update to a newer
release branch soon.
</para>
<sect2>
<title>Migration to Version 9.2.24</title>
<para>
A dump/restore is not required for those running 9.2.X.
</para>
<para>
However, if you are upgrading from a version earlier than 9.2.22,
see <xref linkend="release-9-2-22">.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Properly reject attempts to convert infinite float values to
type <type>numeric</type> (Tom Lane, KaiGai Kohei)
</para>
<para>
Previously the behavior was platform-dependent.
</para>
</listitem>
<listitem>
<para>
Fix corner-case crashes when columns have been added to the end of a
view (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Record proper dependencies when a view or rule
contains <structname>FieldSelect</structname>
or <structname>FieldStore</structname> expression nodes (Tom Lane)
</para>
<para>
Lack of these dependencies could allow a column or data
type <command>DROP</command> to go through when it ought to fail,
thereby causing later uses of the view or rule to get errors.
This patch does not do anything to protect existing views/rules,
only ones created in the future.
</para>
</listitem>
<listitem>
<para>
Correctly detect hashability of range data types (Tom Lane)
</para>
<para>
The planner mistakenly assumed that any range type could be hashed
for use in hash joins or hash aggregation, but actually it must check
whether the range's subtype has hash support. This does not affect any
of the built-in range types, since they're all hashable anyway.
</para>
</listitem>
<listitem>
<para>
Fix low-probability loss of <command>NOTIFY</command> messages due to
XID wraparound (Marko Tiikkaja, Tom Lane)
</para>
<para>
If a session executed no queries, but merely listened for
notifications, for more than 2 billion transactions, it started to miss
some notifications from concurrently-committing transactions.
</para>
</listitem>
<listitem>
<para>
Prevent low-probability crash in processing of nested trigger firings
(Tom Lane)
</para>
</listitem>
<listitem>
<para>
Correctly restore the umask setting when file creation fails
in <command>COPY</command> or <function>lo_export()</function>
(Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Give a better error message for duplicate column names
in <command>ANALYZE</command> (Nathan Bossart)
</para>
</listitem>
<listitem>
<para>
Fix <application>libpq</application> to not require user's home
directory to exist (Tom Lane)
</para>
<para>
In v10, failure to find the home directory while trying to
read <filename>~/.pgpass</filename> was treated as a hard error,
but it should just cause that file to not be found. Both v10 and
previous release branches made the same mistake when
reading <filename>~/.pg_service.conf</filename>, though this was less
obvious since that file is not sought unless a service name is
specified.
</para>
</listitem>
<listitem>
<para>
Fix <application>libpq</application> to guard against integer
overflow in the row count of a <structname>PGresult</structname>
(Michael Paquier)
</para>
</listitem>
<listitem>
<para>
Sync our copy of the timezone library with IANA release tzcode2017c
(Tom Lane)
</para>
<para>
This fixes various issues; the only one likely to be user-visible
is that the default DST rules for a POSIX-style zone name, if
no <filename>posixrules</filename> file exists in the timezone data
directory, now match current US law rather than what it was a dozen
years ago.
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</application>
release 2017c for DST law changes in Fiji, Namibia, Northern Cyprus,
Sudan, Tonga, and Turks &amp; Caicos Islands, plus historical
corrections for Alaska, Apia, Burma, Calcutta, Detroit, Ireland,
Namibia, and Pago Pago.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-9-2-23">
<title>Release 9.2.23</title>