7.4.28.
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release-7.4.sgml,v 1.4 2009/12/10 00:31:14 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release-7.4.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-7-4-28">
+ <title>Release 7.4.28</title>
+
+ <note>
+ <title>Release date</title>
+ <simpara>2010-03-15</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 7.4.27.
+ For information about new features in the 7.4 major release, see
+ <xref linkend="release-7-4">.
+ </para>
+
+ <para>
+ The <productname>PostgreSQL</> community will stop releasing updates
+ for the 7.4.X release series in July 2010.
+ Users are encouraged to update to a newer release branch soon.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 7.4.28</title>
+
+ <para>
+ A dump/restore is not required for those running 7.4.X.
+ However, if you are upgrading from a version earlier than 7.4.26,
+ see the release notes for 7.4.26.
+ </para>
+
+ </sect2>
+
+ <sect2>
+ <title>Changes</title>
+
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add new configuration parameter <varname>ssl_renegotiation_limit</> to
+ control how often we do session key renegotiation for an SSL connection
+ (Magnus)
+ </para>
+
+ <para>
+ This can be set to zero to disable renegotiation completely, which may
+ be required if a broken SSL library is used. In particular, some
+ vendors are shipping stopgap patches for CVE-2009-3555 that cause
+ renegotiation attempts to fail.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <function>substring()</> for <type>bit</> types treat any negative
+ length as meaning <quote>all the rest of the string</> (Tom)
+ </para>
+
+ <para>
+ The previous coding treated only -1 that way, and would produce an
+ invalid result value for other negative values, possibly leading to
+ a crash (CVE-2010-0442).
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some cases of pathologically slow regular expression matching (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ When reading <filename>pg_hba.conf</> and related files, do not treat
+ <literal>@something</> as a file inclusion request if the <literal>@</>
+ appears inside quote marks; also, never treat <literal>@</> by itself
+ as a file inclusion request (Tom)
+ </para>
+
+ <para>
+ This prevents erratic behavior if a role or database name starts with
+ <literal>@</>. If you need to include a file whose path name
+ contains spaces, you can still do so, but you must write
+ <literal>@"/path to/file"</> rather than putting the quotes around
+ the whole construct.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent infinite loop on some platforms if a directory is named as
+ an inclusion target in <filename>pg_hba.conf</> and related files
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Ensure PL/Tcl initializes the Tcl interpreter fully (Tom)
+ </para>
+
+ <para>
+ The only known symptom of this oversight is that the Tcl
+ <literal>clock</> command misbehaves if using Tcl 8.5 or later.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent crash in <filename>contrib/dblink</> when too many key
+ columns are specified to a <function>dblink_build_sql_*</> function
+ (Rushabh Lathia, Joe Conway)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-7-4-27">
<title>Release 7.4.27</title>
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.0.sgml,v 1.4 2009/12/10 00:31:14 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.0.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-8-0-24">
+ <title>Release 8.0.24</title>
+
+ <note>
+ <title>Release date</title>
+ <simpara>2010-03-15</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 8.0.23.
+ For information about new features in the 8.0 major release, see
+ <xref linkend="release-8-0">.
+ </para>
+
+ <para>
+ The <productname>PostgreSQL</> community will stop releasing updates
+ for the 8.0.X release series in July 2010.
+ Users are encouraged to update to a newer release branch soon.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 8.0.24</title>
+
+ <para>
+ A dump/restore is not required for those running 8.0.X.
+ However, if you are upgrading from a version earlier than 8.0.22,
+ see the release notes for 8.0.22.
+ </para>
+
+ </sect2>
+
+ <sect2>
+ <title>Changes</title>
+
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add new configuration parameter <varname>ssl_renegotiation_limit</> to
+ control how often we do session key renegotiation for an SSL connection
+ (Magnus)
+ </para>
+
+ <para>
+ This can be set to zero to disable renegotiation completely, which may
+ be required if a broken SSL library is used. In particular, some
+ vendors are shipping stopgap patches for CVE-2009-3555 that cause
+ renegotiation attempts to fail.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crashes when trying to recover from a failure in
+ subtransaction start (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix server memory leak associated with use of savepoints and a client
+ encoding different from server's encoding (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <function>substring()</> for <type>bit</> types treat any negative
+ length as meaning <quote>all the rest of the string</> (Tom)
+ </para>
+
+ <para>
+ The previous coding treated only -1 that way, and would produce an
+ invalid result value for other negative values, possibly leading to
+ a crash (CVE-2010-0442).
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix integer-to-bit-string conversions to handle the first fractional
+ byte correctly when the output bit width is wider than the given
+ integer by something other than a multiple of 8 bits (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some cases of pathologically slow regular expression matching (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix the <literal>STOP WAL LOCATION</> entry in backup history files to
+ report the next WAL segment's name when the end location is exactly at a
+ segment boundary (Itagaki Takahiro)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ When reading <filename>pg_hba.conf</> and related files, do not treat
+ <literal>@something</> as a file inclusion request if the <literal>@</>
+ appears inside quote marks; also, never treat <literal>@</> by itself
+ as a file inclusion request (Tom)
+ </para>
+
+ <para>
+ This prevents erratic behavior if a role or database name starts with
+ <literal>@</>. If you need to include a file whose path name
+ contains spaces, you can still do so, but you must write
+ <literal>@"/path to/file"</> rather than putting the quotes around
+ the whole construct.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent infinite loop on some platforms if a directory is named as
+ an inclusion target in <filename>pg_hba.conf</> and related files
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix plpgsql failure in one case where a composite column is set to NULL
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add <literal>volatile</> markings in PL/Python to avoid possible
+ compiler-specific misbehavior (Zdenek Kotala)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Ensure PL/Tcl initializes the Tcl interpreter fully (Tom)
+ </para>
+
+ <para>
+ The only known symptom of this oversight is that the Tcl
+ <literal>clock</> command misbehaves if using Tcl 8.5 or later.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent crash in <filename>contrib/dblink</> when too many key
+ columns are specified to a <function>dblink_build_sql_*</> function
+ (Rushabh Lathia, Joe Conway)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted crashes in <filename>contrib/xml2</> caused by sloppy
+ memory management (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update time zone data files to <application>tzdata</> release 2010e
+ for DST law changes in Bangladesh, Chile, Fiji, Mexico, Paraguay, Samoa.
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-8-0-23">
<title>Release 8.0.23</title>
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.1.sgml,v 1.4 2009/12/10 00:31:14 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.1.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-8-1-20">
+ <title>Release 8.1.20</title>
+
+ <note>
+ <title>Release date</title>
+ <simpara>2010-03-15</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 8.1.19.
+ For information about new features in the 8.1 major release, see
+ <xref linkend="release-8-1">.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 8.1.20</title>
+
+ <para>
+ A dump/restore is not required for those running 8.1.X.
+ However, if you are upgrading from a version earlier than 8.1.18,
+ see the release notes for 8.1.18.
+ </para>
+
+ </sect2>
+
+ <sect2>
+ <title>Changes</title>
+
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add new configuration parameter <varname>ssl_renegotiation_limit</> to
+ control how often we do session key renegotiation for an SSL connection
+ (Magnus)
+ </para>
+
+ <para>
+ This can be set to zero to disable renegotiation completely, which may
+ be required if a broken SSL library is used. In particular, some
+ vendors are shipping stopgap patches for CVE-2009-3555 that cause
+ renegotiation attempts to fail.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crashes when trying to recover from a failure in
+ subtransaction start (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix server memory leak associated with use of savepoints and a client
+ encoding different from server's encoding (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <function>substring()</> for <type>bit</> types treat any negative
+ length as meaning <quote>all the rest of the string</> (Tom)
+ </para>
+
+ <para>
+ The previous coding treated only -1 that way, and would produce an
+ invalid result value for other negative values, possibly leading to
+ a crash (CVE-2010-0442).
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix integer-to-bit-string conversions to handle the first fractional
+ byte correctly when the output bit width is wider than the given
+ integer by something other than a multiple of 8 bits (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some cases of pathologically slow regular expression matching (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix the <literal>STOP WAL LOCATION</> entry in backup history files to
+ report the next WAL segment's name when the end location is exactly at a
+ segment boundary (Itagaki Takahiro)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some more cases of temporary-file leakage (Heikki)
+ </para>
+
+ <para>
+ This corrects a problem introduced in the previous minor release.
+ One case that failed is when a plpgsql function returning set is
+ called within another function's exception handler.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ When reading <filename>pg_hba.conf</> and related files, do not treat
+ <literal>@something</> as a file inclusion request if the <literal>@</>
+ appears inside quote marks; also, never treat <literal>@</> by itself
+ as a file inclusion request (Tom)
+ </para>
+
+ <para>
+ This prevents erratic behavior if a role or database name starts with
+ <literal>@</>. If you need to include a file whose path name
+ contains spaces, you can still do so, but you must write
+ <literal>@"/path to/file"</> rather than putting the quotes around
+ the whole construct.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent infinite loop on some platforms if a directory is named as
+ an inclusion target in <filename>pg_hba.conf</> and related files
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>psql</>'s <literal>numericlocale</> option to not
+ format strings it shouldn't in latex and troff output formats (Heikki)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix plpgsql failure in one case where a composite column is set to NULL
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add <literal>volatile</> markings in PL/Python to avoid possible
+ compiler-specific misbehavior (Zdenek Kotala)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Ensure PL/Tcl initializes the Tcl interpreter fully (Tom)
+ </para>
+
+ <para>
+ The only known symptom of this oversight is that the Tcl
+ <literal>clock</> command misbehaves if using Tcl 8.5 or later.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent crash in <filename>contrib/dblink</> when too many key
+ columns are specified to a <function>dblink_build_sql_*</> function
+ (Rushabh Lathia, Joe Conway)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted crashes in <filename>contrib/xml2</> caused by sloppy
+ memory management (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update time zone data files to <application>tzdata</> release 2010e
+ for DST law changes in Bangladesh, Chile, Fiji, Mexico, Paraguay, Samoa.
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-8-1-19">
<title>Release 8.1.19</title>
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.2.sgml,v 1.4 2009/12/10 00:31:14 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.2.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-8-2-16">
+ <title>Release 8.2.16</title>
+
+ <note>
+ <title>Release date</title>
+ <simpara>2010-03-15</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 8.2.15.
+ For information about new features in the 8.2 major release, see
+ <xref linkend="release-8-2">.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 8.2.16</title>
+
+ <para>
+ A dump/restore is not required for those running 8.2.X.
+ However, if you are upgrading from a version earlier than 8.2.14,
+ see the release notes for 8.2.14.
+ </para>
+
+ </sect2>
+
+ <sect2>
+ <title>Changes</title>
+
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add new configuration parameter <varname>ssl_renegotiation_limit</> to
+ control how often we do session key renegotiation for an SSL connection
+ (Magnus)
+ </para>
+
+ <para>
+ This can be set to zero to disable renegotiation completely, which may
+ be required if a broken SSL library is used. In particular, some
+ vendors are shipping stopgap patches for CVE-2009-3555 that cause
+ renegotiation attempts to fail.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible deadlock during backend startup (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crashes due to not handling errors during relcache reload
+ cleanly (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crashes when trying to recover from a failure in
+ subtransaction start (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix server memory leak associated with use of savepoints and a client
+ encoding different from server's encoding (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix incorrect WAL data emitted during end-of-recovery cleanup of a GIST
+ index page split (Yoichi Hirai)
+ </para>
+
+ <para>
+ This would result in index corruption, or even more likely an error
+ during WAL replay, if we were unlucky enough to crash during
+ end-of-recovery cleanup after having completed an incomplete GIST
+ insertion.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <function>substring()</> for <type>bit</> types treat any negative
+ length as meaning <quote>all the rest of the string</> (Tom)
+ </para>
+
+ <para>
+ The previous coding treated only -1 that way, and would produce an
+ invalid result value for other negative values, possibly leading to
+ a crash (CVE-2010-0442).
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix integer-to-bit-string conversions to handle the first fractional
+ byte correctly when the output bit width is wider than the given
+ integer by something other than a multiple of 8 bits (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some cases of pathologically slow regular expression matching (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix the <literal>STOP WAL LOCATION</> entry in backup history files to
+ report the next WAL segment's name when the end location is exactly at a
+ segment boundary (Itagaki Takahiro)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some more cases of temporary-file leakage (Heikki)
+ </para>
+
+ <para>
+ This corrects a problem introduced in the previous minor release.
+ One case that failed is when a plpgsql function returning set is
+ called within another function's exception handler.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve constraint exclusion processing of boolean-variable cases,
+ in particular make it possible to exclude a partition that has a
+ <quote>bool_column = false</> constraint (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ When reading <filename>pg_hba.conf</> and related files, do not treat
+ <literal>@something</> as a file inclusion request if the <literal>@</>
+ appears inside quote marks; also, never treat <literal>@</> by itself
+ as a file inclusion request (Tom)
+ </para>
+
+ <para>
+ This prevents erratic behavior if a role or database name starts with
+ <literal>@</>. If you need to include a file whose path name
+ contains spaces, you can still do so, but you must write
+ <literal>@"/path to/file"</> rather than putting the quotes around
+ the whole construct.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent infinite loop on some platforms if a directory is named as
+ an inclusion target in <filename>pg_hba.conf</> and related files
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible infinite loop if <function>SSL_read</> or
+ <function>SSL_write</> fails without setting <varname>errno</> (Tom)
+ </para>
+
+ <para>
+ This is reportedly possible with some Windows versions of
+ <application>openssl</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>psql</>'s <literal>numericlocale</> option to not
+ format strings it shouldn't in latex and troff output formats (Heikki)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <application>psql</> return the correct exit status (3) when
+ <literal>ON_ERROR_STOP</> and <literal>--single-transaction</> are
+ both specified and an error occurs during the implied <command>COMMIT</>
+ (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix plpgsql failure in one case where a composite column is set to NULL
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible failure when calling PL/Perl functions from PL/PerlU
+ or vice versa (Tim Bunce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add <literal>volatile</> markings in PL/Python to avoid possible
+ compiler-specific misbehavior (Zdenek Kotala)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Ensure PL/Tcl initializes the Tcl interpreter fully (Tom)
+ </para>
+
+ <para>
+ The only known symptom of this oversight is that the Tcl
+ <literal>clock</> command misbehaves if using Tcl 8.5 or later.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent crash in <filename>contrib/dblink</> when too many key
+ columns are specified to a <function>dblink_build_sql_*</> function
+ (Rushabh Lathia, Joe Conway)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted crashes in <filename>contrib/xml2</> caused by sloppy
+ memory management (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make building of <filename>contrib/xml2</> more robust on Windows
+ (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix race condition in Windows signal handling (Radu Ilie)
+ </para>
+
+ <para>
+ One known symptom of this bug is that rows in <structname>pg_listener</>
+ could be dropped under heavy load.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update time zone data files to <application>tzdata</> release 2010e
+ for DST law changes in Bangladesh, Chile, Fiji, Mexico, Paraguay, Samoa.
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-8-2-15">
<title>Release 8.2.15</title>
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.3.sgml,v 1.4 2009/12/10 00:31:14 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.3.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-8-3-10">
+ <title>Release 8.3.10</title>
+
+ <note>
+ <title>Release date</title>
+ <simpara>2010-03-15</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 8.3.9.
+ For information about new features in the 8.3 major release, see
+ <xref linkend="release-8-3">.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 8.3.10</title>
+
+ <para>
+ A dump/restore is not required for those running 8.3.X.
+ However, if you are upgrading from a version earlier than 8.3.8,
+ see the release notes for 8.3.8.
+ </para>
+
+ </sect2>
+
+ <sect2>
+ <title>Changes</title>
+
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add new configuration parameter <varname>ssl_renegotiation_limit</> to
+ control how often we do session key renegotiation for an SSL connection
+ (Magnus)
+ </para>
+
+ <para>
+ This can be set to zero to disable renegotiation completely, which may
+ be required if a broken SSL library is used. In particular, some
+ vendors are shipping stopgap patches for CVE-2009-3555 that cause
+ renegotiation attempts to fail.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible deadlock during backend startup (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crashes due to not handling errors during relcache reload
+ cleanly (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crash due to use of dangling pointer to a cached plan
+ (Tatsuo)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crashes when trying to recover from a failure in
+ subtransaction start (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix server memory leak associated with use of savepoints and a client
+ encoding different from server's encoding (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix incorrect WAL data emitted during end-of-recovery cleanup of a GIST
+ index page split (Yoichi Hirai)
+ </para>
+
+ <para>
+ This would result in index corruption, or even more likely an error
+ during WAL replay, if we were unlucky enough to crash during
+ end-of-recovery cleanup after having completed an incomplete GIST
+ insertion.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <function>substring()</> for <type>bit</> types treat any negative
+ length as meaning <quote>all the rest of the string</> (Tom)
+ </para>
+
+ <para>
+ The previous coding treated only -1 that way, and would produce an
+ invalid result value for other negative values, possibly leading to
+ a crash (CVE-2010-0442).
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix integer-to-bit-string conversions to handle the first fractional
+ byte correctly when the output bit width is wider than the given
+ integer by something other than a multiple of 8 bits (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some cases of pathologically slow regular expression matching (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted crashes in <type>xml</> processing caused by sloppy
+ memory management (Tom)
+ </para>
+
+ <para>
+ This is a back-patch of changes first applied in 8.4. The 8.3 code
+ was known buggy, but the new code was sufficiently different to not
+ want to back-patch it until it had gotten some field testing.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix bug with trying to update a field of an element of a
+ composite-type array column (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix the <literal>STOP WAL LOCATION</> entry in backup history files to
+ report the next WAL segment's name when the end location is exactly at a
+ segment boundary (Itagaki Takahiro)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some more cases of temporary-file leakage (Heikki)
+ </para>
+
+ <para>
+ This corrects a problem introduced in the previous minor release.
+ One case that failed is when a plpgsql function returning set is
+ called within another function's exception handler.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve constraint exclusion processing of boolean-variable cases,
+ in particular make it possible to exclude a partition that has a
+ <quote>bool_column = false</> constraint (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ When reading <filename>pg_hba.conf</> and related files, do not treat
+ <literal>@something</> as a file inclusion request if the <literal>@</>
+ appears inside quote marks; also, never treat <literal>@</> by itself
+ as a file inclusion request (Tom)
+ </para>
+
+ <para>
+ This prevents erratic behavior if a role or database name starts with
+ <literal>@</>. If you need to include a file whose path name
+ contains spaces, you can still do so, but you must write
+ <literal>@"/path to/file"</> rather than putting the quotes around
+ the whole construct.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent infinite loop on some platforms if a directory is named as
+ an inclusion target in <filename>pg_hba.conf</> and related files
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible infinite loop if <function>SSL_read</> or
+ <function>SSL_write</> fails without setting <varname>errno</> (Tom)
+ </para>
+
+ <para>
+ This is reportedly possible with some Windows versions of
+ <application>openssl</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Disallow <acronym>GSSAPI</> authentication on local connections,
+ since it requires a hostname to function correctly (Magnus)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <application>ecpg</> report the proper SQLSTATE if the connection
+ disappears (Michael)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>psql</>'s <literal>numericlocale</> option to not
+ format strings it shouldn't in latex and troff output formats (Heikki)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <application>psql</> return the correct exit status (3) when
+ <literal>ON_ERROR_STOP</> and <literal>--single-transaction</> are
+ both specified and an error occurs during the implied <command>COMMIT</>
+ (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix plpgsql failure in one case where a composite column is set to NULL
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible failure when calling PL/Perl functions from PL/PerlU
+ or vice versa (Tim Bunce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add <literal>volatile</> markings in PL/Python to avoid possible
+ compiler-specific misbehavior (Zdenek Kotala)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Ensure PL/Tcl initializes the Tcl interpreter fully (Tom)
+ </para>
+
+ <para>
+ The only known symptom of this oversight is that the Tcl
+ <literal>clock</> command misbehaves if using Tcl 8.5 or later.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent crash in <filename>contrib/dblink</> when too many key
+ columns are specified to a <function>dblink_build_sql_*</> function
+ (Rushabh Lathia, Joe Conway)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow zero-dimensional arrays in <filename>contrib/ltree</> operations
+ (Tom)
+ </para>
+
+ <para>
+ This case was formerly rejected as an error, but it's more convenient to
+ treat it the same as a zero-element array. In particular this avoids
+ unnecessary failures when an <type>ltree</> operation is applied to the
+ result of <literal>ARRAY(SELECT ...)</> and the sub-select returns no
+ rows.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted crashes in <filename>contrib/xml2</> caused by sloppy
+ memory management (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make building of <filename>contrib/xml2</> more robust on Windows
+ (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix race condition in Windows signal handling (Radu Ilie)
+ </para>
+
+ <para>
+ One known symptom of this bug is that rows in <structname>pg_listener</>
+ could be dropped under heavy load.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update time zone data files to <application>tzdata</> release 2010e
+ for DST law changes in Bangladesh, Chile, Fiji, Mexico, Paraguay, Samoa.
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-8-3-9">
<title>Release 8.3.9</title>
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.4.sgml,v 1.16 2009/12/10 00:31:14 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.4.sgml,v 1.17 2010/03/10 01:58:11 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-8-4-3">
+ <title>Release 8.4.3</title>
+
+ <note>
+ <title>Release date</title>
+ <simpara>2010-03-15</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 8.4.2.
+ For information about new features in the 8.4 major release, see
+ <xref linkend="release-8-4">.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 8.4.3</title>
+
+ <para>
+ A dump/restore is not required for those running 8.4.X.
+ However, if you are upgrading from a version earlier than 8.4.2,
+ see the release notes for 8.4.2.
+ </para>
+
+ </sect2>
+
+ <sect2>
+ <title>Changes</title>
+
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add new configuration parameter <varname>ssl_renegotiation_limit</> to
+ control how often we do session key renegotiation for an SSL connection
+ (Magnus)
+ </para>
+
+ <para>
+ This can be set to zero to disable renegotiation completely, which may
+ be required if a broken SSL library is used. In particular, some
+ vendors are shipping stopgap patches for CVE-2009-3555 that cause
+ renegotiation attempts to fail.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible deadlock during backend startup (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crashes due to not handling errors during relcache reload
+ cleanly (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crash due to use of dangling pointer to a cached plan
+ (Tatsuo)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crash due to overenthusiastic invalidation of cached
+ plan for <command>ROLLBACK</> (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crashes when trying to recover from a failure in
+ subtransaction start (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix server memory leak associated with use of savepoints and a client
+ encoding different from server's encoding (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix incorrect WAL data emitted during end-of-recovery cleanup of a GIST
+ index page split (Yoichi Hirai)
+ </para>
+
+ <para>
+ This would result in index corruption, or even more likely an error
+ during WAL replay, if we were unlucky enough to crash during
+ end-of-recovery cleanup after having completed an incomplete GIST
+ insertion.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix bug in WAL redo cleanup method for GIN indexes (Heikki)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix incorrect comparison of scan key in GIN index search (Teodor)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <function>substring()</> for <type>bit</> types treat any negative
+ length as meaning <quote>all the rest of the string</> (Tom)
+ </para>
+
+ <para>
+ The previous coding treated only -1 that way, and would produce an
+ invalid result value for other negative values, possibly leading to
+ a crash (CVE-2010-0442).
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix integer-to-bit-string conversions to handle the first fractional
+ byte correctly when the output bit width is wider than the given
+ integer by something other than a multiple of 8 bits (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some cases of pathologically slow regular expression matching (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix bug occurring when trying to inline a SQL function that returns
+ a set of a composite type that contains dropped columns (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix bug with trying to update a field of an element of a
+ composite-type array column (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid failure when <command>EXPLAIN</> has to print a FieldStore or
+ assignment ArrayRef expression (Tom)
+ </para>
+
+ <para>
+ These cases can arise now that <command>EXPLAIN VERBOSE</> tries to
+ print plan node target lists.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid an unnecessary coercion failure in some cases where an undecorated
+ literal string appears in a subquery within
+ <command>UNION</>/<command>INTERSECT</>/<command>EXCEPT</> (Tom)
+ </para>
+
+ <para>
+ This fixes a regression for some cases that worked before 8.4.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid undesirable rowtype compatibility check failures in some cases
+ where a whole-row Var has a rowtype that contains dropped columns (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix the <literal>STOP WAL LOCATION</> entry in backup history files to
+ report the next WAL segment's name when the end location is exactly at a
+ segment boundary (Itagaki Takahiro)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Always pass the catalog ID to an option validator function specified in
+ <command>CREATE FOREIGN DATA WRAPPER</> (Martin Pihlak)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix some more cases of temporary-file leakage (Heikki)
+ </para>
+
+ <para>
+ This corrects a problem introduced in the previous minor release.
+ One case that failed is when a plpgsql function returning set is
+ called within another function's exception handler.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add support for doing <literal>FULL JOIN ON FALSE</> (Tom)
+ </para>
+
+ <para>
+ This prevents a regression from pre-8.4 releases for some queries that
+ can now be simplified to a constant-false join condition.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve constraint exclusion processing of boolean-variable cases,
+ in particular make it possible to exclude a partition that has a
+ <quote>bool_column = false</> constraint (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent treating an <literal>INOUT</> cast as representing binary
+ compatibility (Heikki)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Include column name in the message when warning about inability to
+ grant or revoke column-level privileges (Stephen Frost)
+ </para>
+
+ <para>
+ This is more useful than before and helps to prevent confusion when
+ a <command>REVOKE</> generates multiple messages, which formerly
+ appeared to be duplicates.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ When reading <filename>pg_hba.conf</> and related files, do not treat
+ <literal>@something</> as a file inclusion request if the <literal>@</>
+ appears inside quote marks; also, never treat <literal>@</> by itself
+ as a file inclusion request (Tom)
+ </para>
+
+ <para>
+ This prevents erratic behavior if a role or database name starts with
+ <literal>@</>. If you need to include a file whose path name
+ contains spaces, you can still do so, but you must write
+ <literal>@"/path to/file"</> rather than putting the quotes around
+ the whole construct.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent infinite loop on some platforms if a directory is named as
+ an inclusion target in <filename>pg_hba.conf</> and related files
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible infinite loop if <function>SSL_read</> or
+ <function>SSL_write</> fails without setting <varname>errno</> (Tom)
+ </para>
+
+ <para>
+ This is reportedly possible with some Windows versions of
+ <application>openssl</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Disallow <acronym>GSSAPI</> authentication on local connections,
+ since it requires a hostname to function correctly (Magnus)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Protect <application>ecpg</> against applications freeing strings
+ unexpectedly (Michael)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <application>ecpg</> report the proper SQLSTATE if the connection
+ disappears (Michael)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix translation of cell contents in <application>psql</> <literal>\d</>
+ output (Heikki)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>psql</>'s <literal>numericlocale</> option to not
+ format strings it shouldn't in latex and troff output formats (Heikki)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix a small per-query memory leak in <application>psql</> (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <application>psql</> return the correct exit status (3) when
+ <literal>ON_ERROR_STOP</> and <literal>--single-transaction</> are
+ both specified and an error occurs during the implied <command>COMMIT</>
+ (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>pg_dump</>'s output of permissions for foreign servers
+ (Heikki)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible crash in parallel <application>pg_restore</> due to
+ out-of-range dependency IDs (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix plpgsql failure in one case where a composite column is set to NULL
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible failure when calling PL/Perl functions from PL/PerlU
+ or vice versa (Tim Bunce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add <literal>volatile</> markings in PL/Python to avoid possible
+ compiler-specific misbehavior (Zdenek Kotala)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Ensure PL/Tcl initializes the Tcl interpreter fully (Tom)
+ </para>
+
+ <para>
+ The only known symptom of this oversight is that the Tcl
+ <literal>clock</> command misbehaves if using Tcl 8.5 or later.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent <function>ExecutorEnd</> from being run on portals created
+ within a failed transaction or subtransaction (Tom)
+ </para>
+
+ <para>
+ This is known to cause issues when using
+ <filename>contrib/auto_explain</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent crash in <filename>contrib/dblink</> when too many key
+ columns are specified to a <function>dblink_build_sql_*</> function
+ (Rushabh Lathia, Joe Conway)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow zero-dimensional arrays in <filename>contrib/ltree</> operations
+ (Tom)
+ </para>
+
+ <para>
+ This case was formerly rejected as an error, but it's more convenient to
+ treat it the same as a zero-element array. In particular this avoids
+ unnecessary failures when an <type>ltree</> operation is applied to the
+ result of <literal>ARRAY(SELECT ...)</> and the sub-select returns no
+ rows.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted crashes in <filename>contrib/xml2</> caused by sloppy
+ memory management (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make building of <filename>contrib/xml2</> more robust on Windows
+ (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix race condition in Windows signal handling (Radu Ilie)
+ </para>
+
+ <para>
+ One known symptom of this bug is that rows in <structname>pg_listener</>
+ could be dropped under heavy load.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make the configure script report failure if the C compiler does
+ not provide a working 64-bit integer datatype (Tom)
+ </para>
+
+ <para>
+ This case has been broken for some time, and no longer seems worth
+ supporting, so just reject it at configure time instead.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update time zone data files to <application>tzdata</> release 2010e
+ for DST law changes in Bangladesh, Chile, Fiji, Mexico, Paraguay, Samoa.
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-8-4-2">
<title>Release 8.4.2</title>
<listitem>
<para>
+ In <filename>contrib/fuzzystrmatch</>, correct the calculation of
+ <function>levenshtein</> distances with non-default costs (Marcin Mank)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
In <filename>contrib/pg_standby</>, disable triggering failover with a
signal on Windows (Fujii Masao)
</para>
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