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Preliminary release notes for releases 8.4.3, 8.3.10, 8.2.16, 8.1.20, 8.0.24,
7.4.28.
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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 1.4 2009/12/10 00:31:14 tgl Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release-7.4.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
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<!-- See header comment in release.sgml about typical markup -->
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<sect1 id="release-7-4-28">
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<title>Release 7.4.28</title>
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<note>
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<title>Release date</title>
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<simpara>2010-03-15</simpara>
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</note>
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<para>
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This release contains a variety of fixes from 7.4.27.
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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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The <productname>PostgreSQL</> community will stop releasing updates
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for the 7.4.X release series in July 2010.
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Users are encouraged to update to a newer release branch soon.
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</para>
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<sect2>
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<title>Migration to Version 7.4.28</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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Add new configuration parameter <varname>ssl_renegotiation_limit</> to
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control how often we do session key renegotiation for an SSL connection
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(Magnus)
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</para>
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<para>
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This can be set to zero to disable renegotiation completely, which may
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be required if a broken SSL library is used. In particular, some
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vendors are shipping stopgap patches for CVE-2009-3555 that cause
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renegotiation attempts to fail.
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</para>
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</listitem>
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<listitem>
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<para>
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Make <function>substring()</> for <type>bit</> types treat any negative
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length as meaning <quote>all the rest of the string</> (Tom)
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</para>
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<para>
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The previous coding treated only -1 that way, and would produce an
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invalid result value for other negative values, possibly leading to
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a crash (CVE-2010-0442).
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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 some cases of pathologically slow regular expression matching (Tom)
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</para>
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</listitem>
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<listitem>
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<para>
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When reading <filename>pg_hba.conf</> and related files, do not treat
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<literal>@something</> as a file inclusion request if the <literal>@</>
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appears inside quote marks; also, never treat <literal>@</> by itself
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as a file inclusion request (Tom)
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</para>
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<para>
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This prevents erratic behavior if a role or database name starts with
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<literal>@</>. If you need to include a file whose path name
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contains spaces, you can still do so, but you must write
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<literal>@"/path to/file"</> rather than putting the quotes around
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the whole construct.
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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 infinite loop on some platforms if a directory is named as
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an inclusion target in <filename>pg_hba.conf</> and related files
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(Tom)
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</para>
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</listitem>
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<listitem>
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<para>
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Ensure PL/Tcl initializes the Tcl interpreter fully (Tom)
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</para>
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<para>
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The only known symptom of this oversight is that the Tcl
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<literal>clock</> command misbehaves if using Tcl 8.5 or later.
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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 crash in <filename>contrib/dblink</> when too many key
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columns are specified to a <function>dblink_build_sql_*</> function
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(Rushabh Lathia, Joe Conway)
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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-7-4-27">
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<title>Release 7.4.27</title>
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‎doc/src/sgml/release-8.0.sgml

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<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.0.sgml,v 1.4 2009/12/10 00:31:14 tgl Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.0.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
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<!-- See header comment in release.sgml about typical markup -->
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<sect1 id="release-8-0-24">
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<title>Release 8.0.24</title>
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<note>
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<title>Release date</title>
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<simpara>2010-03-15</simpara>
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</note>
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<para>
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This release contains a variety of fixes from 8.0.23.
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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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The <productname>PostgreSQL</> community will stop releasing updates
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for the 8.0.X release series in July 2010.
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Users are encouraged to update to a newer release branch soon.
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</para>
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<sect2>
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<title>Migration to Version 8.0.24</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>
39+
40+
<listitem>
41+
<para>
42+
Add new configuration parameter <varname>ssl_renegotiation_limit</> to
43+
control how often we do session key renegotiation for an SSL connection
44+
(Magnus)
45+
</para>
46+
47+
<para>
48+
This can be set to zero to disable renegotiation completely, which may
49+
be required if a broken SSL library is used. In particular, some
50+
vendors are shipping stopgap patches for CVE-2009-3555 that cause
51+
renegotiation attempts to fail.
52+
</para>
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</listitem>
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<listitem>
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<para>
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Fix possible crashes when trying to recover from a failure in
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subtransaction start (Tom)
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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 server memory leak associated with use of savepoints and a client
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encoding different from server's encoding (Tom)
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</para>
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</listitem>
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<listitem>
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<para>
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Make <function>substring()</> for <type>bit</> types treat any negative
72+
length as meaning <quote>all the rest of the string</> (Tom)
73+
</para>
74+
75+
<para>
76+
The previous coding treated only -1 that way, and would produce an
77+
invalid result value for other negative values, possibly leading to
78+
a crash (CVE-2010-0442).
79+
</para>
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</listitem>
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<listitem>
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<para>
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Fix integer-to-bit-string conversions to handle the first fractional
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byte correctly when the output bit width is wider than the given
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integer by something other than a multiple of 8 bits (Tom)
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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 some cases of pathologically slow regular expression matching (Tom)
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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 the <literal>STOP WAL LOCATION</> entry in backup history files to
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report the next WAL segment's name when the end location is exactly at a
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segment boundary (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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When reading <filename>pg_hba.conf</> and related files, do not treat
107+
<literal>@something</> as a file inclusion request if the <literal>@</>
108+
appears inside quote marks; also, never treat <literal>@</> by itself
109+
as a file inclusion request (Tom)
110+
</para>
111+
112+
<para>
113+
This prevents erratic behavior if a role or database name starts with
114+
<literal>@</>. If you need to include a file whose path name
115+
contains spaces, you can still do so, but you must write
116+
<literal>@"/path to/file"</> rather than putting the quotes around
117+
the whole construct.
118+
</para>
119+
</listitem>
120+
121+
<listitem>
122+
<para>
123+
Prevent infinite loop on some platforms if a directory is named as
124+
an inclusion target in <filename>pg_hba.conf</> and related files
125+
(Tom)
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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 plpgsql failure in one case where a composite column is set to NULL
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(Tom)
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</para>
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</listitem>
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<listitem>
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<para>
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Add <literal>volatile</> markings in PL/Python to avoid possible
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compiler-specific misbehavior (Zdenek Kotala)
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</para>
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</listitem>
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<listitem>
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<para>
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Ensure PL/Tcl initializes the Tcl interpreter fully (Tom)
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</para>
147+
148+
<para>
149+
The only known symptom of this oversight is that the Tcl
150+
<literal>clock</> command misbehaves if using Tcl 8.5 or later.
151+
</para>
152+
</listitem>
153+
154+
<listitem>
155+
<para>
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Prevent crash in <filename>contrib/dblink</> when too many key
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columns are specified to a <function>dblink_build_sql_*</> function
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(Rushabh Lathia, Joe Conway)
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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 assorted crashes in <filename>contrib/xml2</> caused by sloppy
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memory management (Tom)
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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 2010e
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for DST law changes in Bangladesh, Chile, Fiji, Mexico, Paraguay, Samoa.
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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-8-0-23">
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<title>Release 8.0.23</title>
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