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Update release notes for 9.2.2, 9.1.7, 9.0.11, 8.4.15, 8.3.22.

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REL8_3_STABLE
Tom Lane 13 years ago
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      doc/src/sgml/release-8.3.sgml

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doc/src/sgml/release-8.3.sgml
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<!-- doc/src/sgml/release-8.3.sgml --> <!-- doc/src/sgml/release-8.3.sgml -->
<!-- See header comment in release.sgml about typical markup --> <!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-8-3-22">
<title>Release 8.3.22</title>
<note>
<title>Release Date</title>
<simpara>2012-12-06</simpara>
</note>
<para>
This release contains a variety of fixes from 8.3.21.
For information about new features in the 8.3 major release, see
<xref linkend="release-8-3">.
</para>
<para>
The <productname>PostgreSQL</> community will stop releasing updates
for the 8.3.X release series in February 2013.
Users are encouraged to update to a newer release branch soon.
</para>
<sect2>
<title>Migration to Version 8.3.22</title>
<para>
A dump/restore is not required for those running 8.3.X.
</para>
<para>
However, if you are upgrading from a version earlier than 8.3.17,
see the release notes for 8.3.17.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix multiple bugs associated with <command>CREATE INDEX
CONCURRENTLY</> (Andres Freund, Tom Lane)
</para>
<para>
Fix <command>CREATE INDEX CONCURRENTLY</> to use
in-place updates when changing the state of an index's
<structname>pg_index</> row. This prevents race conditions that could
cause concurrent sessions to miss updating the target index, thus
resulting in corrupt concurrently-created indexes.
</para>
<para>
Also, fix various other operations to ensure that they ignore
invalid indexes resulting from a failed <command>CREATE INDEX
CONCURRENTLY</> command. The most important of these is
<command>VACUUM</>, because an auto-vacuum could easily be launched
on the table before corrective action can be taken to fix or remove
the invalid index.
</para>
</listitem>
<listitem>
<para>
Avoid corruption of internal hash tables when out of memory
(Hitoshi Harada)
</para>
</listitem>
<listitem>
<para>
Fix planning of non-strict equivalence clauses above outer joins
(Tom Lane)
</para>
<para>
The planner could derive incorrect constraints from a clause equating
a non-strict construct to something else, for example
<literal>WHERE COALESCE(foo, 0) = 0</>
when <literal>foo</> is coming from the nullable side of an outer join.
</para>
</listitem>
<listitem>
<para>
Improve planner's ability to prove exclusion constraints from
equivalence classes (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix partial-row matching in hashed subplans to handle cross-type cases
correctly (Tom Lane)
</para>
<para>
This affects multicolumn <literal>NOT IN</> subplans, such as
<literal>WHERE (a, b) NOT IN (SELECT x, y FROM ...)</>
when for instance <literal>b</> and <literal>y</> are <type>int4</>
and <type>int8</> respectively. This mistake led to wrong answers
or crashes depending on the specific datatypes involved.
</para>
</listitem>
<listitem>
<para>
Acquire buffer lock when re-fetching the old tuple for an
<literal>AFTER ROW UPDATE/DELETE</> trigger (Andres Freund)
</para>
<para>
In very unusual circumstances, this oversight could result in passing
incorrect data to the precheck logic for a foreign-key enforcement
trigger. That could result in a crash, or in an incorrect decision
about whether to fire the trigger.
</para>
</listitem>
<listitem>
<para>
Fix <command>REASSIGN OWNED</> to handle grants on tablespaces
(&Aacute;lvaro Herrera)
</para>
</listitem>
<listitem>
<para>
Ignore incorrect <structname>pg_attribute</> entries for system
columns for views (Tom Lane)
</para>
<para>
Views do not have any system columns. However, we forgot to
remove such entries when converting a table to a view. That's fixed
properly for 9.3 and later, but in previous branches we need to defend
against existing mis-converted views.
</para>
</listitem>
<listitem>
<para>
Fix rule printing to dump <literal>INSERT INTO <replaceable>table</>
DEFAULT VALUES</literal> correctly (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Guard against stack overflow when there are too many
<literal>UNION</>/<literal>INTERSECT</>/<literal>EXCEPT</> clauses
in a query (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Prevent platform-dependent failures when dividing the minimum possible
integer value by -1 (Xi Wang, Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix possible access past end of string in date parsing
(Hitoshi Harada)
</para>
</listitem>
<listitem>
<para>
Produce an understandable error message if the length of the path name
for a Unix-domain socket exceeds the platform-specific limit
(Tom Lane, Andrew Dunstan)
</para>
<para>
Formerly, this would result in something quite unhelpful, such as
<quote>Non-recoverable failure in name resolution</>.
</para>
</listitem>
<listitem>
<para>
Fix memory leaks when sending composite column values to the client
(Tom Lane)
</para>
</listitem>
<listitem>
<para>
Make <application>pg_ctl</> more robust about reading the
<filename>postmaster.pid</> file (Heikki Linnakangas)
</para>
<para>
Fix race conditions and possible file descriptor leakage.
</para>
</listitem>
<listitem>
<para>
Fix possible crash in <application>psql</> if incorrectly-encoded data
is presented and the <varname>client_encoding</> setting is a
client-only encoding, such as SJIS (Jiang Guiqing)
</para>
</listitem>
<listitem>
<para>
Fix bugs in the <filename>restore.sql</> script emitted by
<application>pg_dump</> in <literal>tar</> output format (Tom Lane)
</para>
<para>
The script would fail outright on tables whose names include
upper-case characters. Also, make the script capable of restoring
data in <option>--inserts</> mode as well as the regular COPY mode.
</para>
</listitem>
<listitem>
<para>
Fix <application>pg_restore</> to accept POSIX-conformant
<literal>tar</> files (Brian Weaver, Tom Lane)
</para>
<para>
The original coding of <application>pg_dump</>'s <literal>tar</>
output mode produced files that are not fully conformant with the
POSIX standard. This has been corrected for version 9.3. This
patch updates previous branches so that they will accept both the
incorrect and the corrected formats, in hopes of avoiding
compatibility problems when 9.3 comes out.
</para>
</listitem>
<listitem>
<para>
Fix <application>pg_resetxlog</> to locate <filename>postmaster.pid</>
correctly when given a relative path to the data directory (Tom Lane)
</para>
<para>
This mistake could lead to <application>pg_resetxlog</> not noticing
that there is an active postmaster using the data directory.
</para>
</listitem>
<listitem>
<para>
Fix <application>libpq</>'s <function>lo_import()</> and
<function>lo_export()</> functions to report file I/O errors properly
(Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix <application>ecpg</>'s processing of nested structure pointer
variables (Muhammad Usama)
</para>
</listitem>
<listitem>
<para>
Make <filename>contrib/pageinspect</>'s btree page inspection
functions take buffer locks while examining pages (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix <application>pgxs</> support for building loadable modules on AIX
(Tom Lane)
</para>
<para>
Building modules outside the original source tree didn't work on AIX.
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2012j
for DST law changes in Cuba, Israel, Jordan, Libya, Palestine, Western
Samoa, and portions of Brazil.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-3-21"> <sect1 id="release-8-3-21">
<title>Release 8.3.21</title> <title>Release 8.3.21</title>

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