8000 docs: update release notes for 8.4.18, 9.0.14, 9.1.10, 9.2.5, 9.3.1 · sgzhan/postgres@3ac00d8 · GitHub
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docs: update release notes for 8.4.18, 9.0.14, 9.1.10, 9.2.5, 9.3.1
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‎doc/src/sgml/release-8.4.sgml

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<!-- doc/src/sgml/release-8.4.sgml -->
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<!-- See header comment in release.sgml about typical markup -->
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<sect1 id="release-8-4-18">
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<title>Release 8.4.18</title>
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<note>
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<title>Release Date</title>
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<simpara>2013-10-10</simpara>
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</note>
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<para>
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This release contains a variety of fixes from 8.4.17.
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For information about new features in the 8.4 major release, see
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<xref linkend="release-8-4">.
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</para>
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<sect2>
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<title>Migration to Version 8.4.18</title>
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<para>
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A dump/restore is not required for those running 8.4.X.
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</para>
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<para>
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Also, if you are upgrading from a version earlier than 8.4.10,
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see the release notes for 8.4.10.
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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 downcasing of non-ASCII non-double-quoted identifiers in
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multi-byte encodings (Andrew Dunstan)
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</para>
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<para>
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The previous behavior was wrong and confusing.
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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 memory leak caused by <function>lo_open()</function> failure
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(Heikki Linnakangas)
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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 memory overcommit bug when <varname>work_mem</> is using more
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than 24GB of memory (Stephen Frost)
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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 libpq SSL deadlock bug (Stephen Frost)
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</para>
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</listitem>
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<listitem>
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<para>
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Properly compute row estimates for boolean columns containing many NULL
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values (Andrew Gierth)
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</para>
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<para>
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Previously tests like <literal>col IS NOT TRUE</> and <literal>col IS
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NOT FALSE</> did not properly factor in NULL values when estimating
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plan costs.
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</para>
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</listitem>
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<listitem>
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<para>
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Prevent pushing down <literal>WHERE</> clauses into unsafe
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<literal>UNION/INTERSECT</> subqueries (Tom Lane)
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</para>
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<para>
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Previously such push downs could generate errors.
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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 rare <literal>GROUP BY</> query error caused by improperly processed date type
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modifiers (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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Allow view dump code to better handle dropped columns on base tables
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(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 deadlock during concurrent <command>CREATE INDEX
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CONCURRENTLY</> operations (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 <function>regexp_matches()</> handling of zero-length matches
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(Jeevan Chalke)
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</para>
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<para>
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Previously, zero-length matches like '^' could return too many matches.
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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 crash for overly-complex regular expressions (Heikki Linnakangas)
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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 regular expression match failures for back references combined with
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non-greedy quantifiers (Jeevan Chalke)
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</para>
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</listitem>
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<listitem>
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<para>
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Prevent <command>CREATE FUNCTION</> from checking <command>SET</>
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variables unless function body checking is enabled (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 <function>pgp_pub_decrypt()</> so it works for secret keys with
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passwords (Marko Kreen)
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</para>
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</listitem>
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<listitem>
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<para>
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Remove rare inaccurate warning during vacuum of index-less tables
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(Heikki Linnakangas)
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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 possible failure when performing transaction control commands (e.g
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<command>ROLLBACK</>) in prepared queries (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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Allow various spellings of infinity on all platforms (Tom Lane)
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</para>
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<para>
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Supported infinity values are "inf", "+inf", "-inf", "infinity",
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"+infinity", and "-infinity".
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</para>
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</listitem>
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<listitem>
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<para>
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Expand ability to compare rows to records and arrays (Rafal Rzepecki,
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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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Update time zone data files to <application>tzdata</> release 2013d
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for DST law changes in DST law changes in Israel, Morocco, Palestine,
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Paraguay. Also, historical zone data corrections for Macquarie Island
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(Tom Lane)
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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-8-4-17">
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<title>Release 8.4.17</title>
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