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Update release notes for releases 9.0.1, 8.4.5, 8.3.12, 8.2.18, 8.1.22,
8.0.26, and 7.4.30.
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‎doc/src/sgml/release-7.4.sgml

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<!-- $PostgreSQL: pgsql/doc/src/sgml/release-7.4.sgml,v 1.1.6.7 2010/05/13 21:27:29 tgl Exp $ -->
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<!-- doc/src/sgml/release-7.4.sgml -->
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<!-- See header comment in release.sgml about typical markup -->
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<sect1 id="release-7-4-30">
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<title>Release 7.4.30</title>
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<note>
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<title>Release date</title>
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<simpara>2010-10-04</simpara>
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</note>
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<para>
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This release contains a variety of fixes from 7.4.29.
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For information about new features in the 7.4 major release, see
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<xref linkend="release-7-4">.
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</para>
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<para>
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This is expected to be the last <productname>PostgreSQL</> release
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in the 7.4.X series. Users are encouraged to update to a newer
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release branch soon.
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</para>
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<sect2>
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<title>Migration to Version 7.4.30</title>
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<para>
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A dump/restore is not required for those running 7.4.X.
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However, if you are upgrading from a version earlier than 7.4.26,
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see the release notes for 7.4.26.
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</para>
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</sect2>
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<sect2>
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<title>Changes</title>
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<itemizedlist>
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<listitem>
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<para>
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Prevent possible crashes in <function>pg_get_expr()</> by disallowing
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it from being called with an argument that is not one of the system
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catalog columns it's intended to be used with
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(Heikki Linnakangas, Tom Lane)
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</para>
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</listitem>
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<listitem>
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<para>
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Fix <quote>cannot handle unplanned sub-select</quote> error (Tom Lane)
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</para>
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<para>
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This occurred when a sub-select contains a join alias reference that
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expands into an expression containing another sub-select.
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</para>
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</listitem>
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<listitem>
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<para>
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Take care to fsync the contents of lockfiles (both
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<filename>postmaster.pid</> and the socket lockfile) while writing them
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(Tom Lane)
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</para>
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<para>
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This omission could result in corrupted lockfile contents if the
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machine crashes shortly after postmaster start. That could in turn
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prevent subsequent attempts to start the postmaster from succeeding,
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until the lockfile is manually removed.
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</para>
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</listitem>
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<listitem>
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<para>
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Improve <filename>contrib/dblink</>'s handling of tables containing
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dropped columns (Tom Lane)
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</para>
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</listitem>
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<listitem>
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<para>
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Fix connection leak after <quote>duplicate connection name</quote>
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errors in <filename>contrib/dblink</> (Itagaki Takahiro)
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</para>
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</listitem>
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<listitem>
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<para>
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Update build infrastructure and documentation to reflect the source code
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repository's move from CVS to Git (Magnus Hagander and others)
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</para>
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</listitem>
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</itemizedlist>
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</sect2>
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</sect1>
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<sect1 id="release-7-4-29">
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<title>Release 7.4.29</title>
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files during postmaster startup</para></listitem>
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<listitem><para>Various memory leakage fixes</para></listitem>
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<listitem><para>Various portability improvements</para></listitem>
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<listitem><para>Fix PL/PgSQL to handle <literal>var := var</> correctly when
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<listitem><para>Fix PL/pgSQL to handle <literal>var := var</> correctly when
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the variable is of pass-by-reference type</para></listitem>
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<listitem><para>Update <filename>contrib/tsearch2</> to use current Snowball
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code</para></listitem>

‎doc/src/sgml/release-8.0.sgml

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<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.0.sgml,v 1.1.6.7 2010/05/13 21:27:29 tgl Exp $ -->
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<!-- doc/src/sgml/release-8.0.sgml -->
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<!-- See header comment in release.sgml about typical markup -->
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<sect1 id="release-8-0-26">
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<title>Release 8.0.26</title>
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<note>
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<title>Release date</title>
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<simpara>2010-10-04</simpara>
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</note>
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<para>
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This release contains a variety of fixes from 8.0.25.
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For information about new features in the 8.0 major release, see
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<xref linkend="release-8-0">.
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</para>
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<para>
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This is expected to be the last <productname>PostgreSQL</> release
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in the 8.0.X series. Users are encouraged to update to a newer
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release branch soon.
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</para>
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<sect2>
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<title>Migration to Version 8.0.26</title>
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<para>
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A dump/restore is not required for those running 8.0.X.
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However, if you are upgrading from a version earlier than 8.0.22,
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see the release notes for 8.0.22.
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</para>
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</sect2>
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<sect2>
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<title>Changes</title>
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<itemizedlist>
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<listitem>
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<para>
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Prevent possible crashes in <function>pg_get_expr()</> by disallowing
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it from being called with an argument that is not one of the system
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catalog columns it's intended to be used with
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(Heikki Linnakangas, Tom Lane)
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</para>
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</listitem>
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<listitem>
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<para>
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Fix <quote>cannot handle unplanned sub-select</quote> error (Tom Lane)
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</para>
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<para>
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This occurred when a sub-select contains a join alias reference that
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expands into an expression containing another sub-select.
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</para>
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</listitem>
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<listitem>
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<para>
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Defend against functions returning setof record where not all the
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returned rows are actually of the same rowtype (Tom Lane)
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</para>
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</listitem>
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<listitem>
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<para>
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Take care to fsync the contents of lockfiles (both
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<filename>postmaster.pid</> and the socket lockfile) while writing them
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(Tom Lane)
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</para>
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<para>
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This omission could result in corrupted lockfile contents if the
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machine crashes shortly after postmaster start. That could in turn
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prevent subsequent attempts to start the postmaster from succeeding,
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until the lockfile is manually removed.
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</para>
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</listitem>
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<listitem>
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<para>
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Avoid recursion while assigning XIDs to heavily-nested
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subtransactions (Andres Freund, Robert Haas)
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</para>
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<para>
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The original coding could result in a crash if there was limited
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stack space.
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</para>
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</listitem>
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<listitem>
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<para>
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Fix <varname>log_line_prefix</>'s <literal>%i</> escape,
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which could produce junk early in backend startup (Tom Lane)
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</para>
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</listitem>
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<listitem>
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<para>
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Fix possible data corruption in <command>ALTER TABLE ... SET
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TABLESPACE</> when archiving is enabled (Jeff Davis)
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</para>
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</listitem>
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<listitem>
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<para>
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Allow <command>CREATE DATABASE</> and <command>ALTER DATABASE ... SET
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TABLESPACE</> to be interrupted by query-cancel (Guillaume Lelarge)
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</para>
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</listitem>
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<listitem>
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<para>
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In PL/Python, defend against null pointer results from
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<function>PyCObject_AsVoidPtr</> and <function>PyCObject_FromVoidPtr</>
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(Peter Eisentraut)
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</para>
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</listitem>
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<listitem>
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<para>
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Improve <filename>contrib/dblink</>'s handling of tables containing
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dropped columns (Tom Lane)
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</para>
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</listitem>
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<listitem>
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<para>
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Fix connection leak after <quote>duplicate connection name</quote>
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errors in <filename>contrib/dblink</> (Itagaki Takahiro)
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</para>
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</listitem>
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<listitem>
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<para>
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Fix <filename>contrib/dblink</> to handle connection names longer than
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62 bytes correctly (Itagaki Takahiro)
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</para>
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</listitem>
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<listitem>
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<para>
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Update build infrastructure and documentation to reflect the source code
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repository's move from CVS to Git (Magnus Hagander and others)
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</para>
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</listitem>
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<listitem>
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<para>
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Update time zone data files to <application>tzdata</> release 2010l
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for DST law changes in Egypt and Palestine; also historical corrections
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for Finland.
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</para>
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<para>
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This change also adds new names for two Micronesian timezones:
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Pacific/Chuuk is now preferred over Pacific/Truk (and the preferred
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abbreviation is CHUT not TRUT) and Pacific/Pohnpei is preferred over
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Pacific/Ponape.
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</para>
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</listitem>
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</itemizedlist>
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</sect2>
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</sect1>
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<sect1 id="release-8-0-25">
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<title>Release 8.0.25</title>
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constraints more reliably</para></listitem>
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<listitem><para>Fix password prompting in <application>pg_restore</> on
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Windows</para></listitem>
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<listitem><para>Fix PL/PgSQL to handle <literal>var := var</> correctly when
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<listitem><para>Fix PL/pgSQL to handle <literal>var := var</> correctly when
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the variable is of pass-by-reference type</para></listitem>
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<listitem><para>Fix PL/Perl <literal>%_SHARED</> so it's actually
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shared</para></listitem>

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