Man, we fixed a lotta bugs since April.
<!-- doc/src/sgml/release-8.2.sgml -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-8-2-22">
+ <title>Release 8.2.22</title>
+
+ <note>
+ <title>Release Date</title>
+ <simpara>2011-09-26</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 8.2.21.
+ For information about new features in the 8.2 major release, see
+ <xref linkend="release-8-2">.
+ </para>
+
+ <para>
+ The <productname>PostgreSQL</> community will stop releasing updates
+ for the 8.2.X release series in December 2011.
+ Users are encouraged to update to a newer release branch soon.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 8.2.22</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>
+ Fix multiple bugs in GiST index page split processing (Heikki
+ Linnakangas)
+ </para>
+
+ <para>
+ The probability of occurrence was low, but these could lead to index
+ corruption.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid possibly accessing off the end of memory in <command>ANALYZE</>
+ (Noah Misch)
+ </para>
+
+ <para>
+ This fixes a very-low-probability server crash scenario.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix race condition in relcache init file invalidation (Tom Lane)
+ </para>
+
+ <para>
+ There was a window wherein a new backend process could read a stale init
+ file but miss the inval messages that would tell it the data is stale.
+ The result would be bizarre failures in catalog accesses, typically
+ <quote>could not read block 0 in file ...</> later during startup.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix memory leak at end of a GiST index scan (Tom Lane)
+ </para>
+
+ <para>
+ Commands that perform many separate GiST index scans, such as
+ verification of a new GiST-based exclusion constraint on a table
+ already containing many rows, could transiently require large amounts of
+ memory due to this leak.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix performance problem when constructing a large, lossy bitmap
+ (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix array- and path-creating functions to ensure padding bytes are
+ zeroes (Tom Lane)
+ </para>
+
+ <para>
+ This avoids some situations where the planner will think that
+ semantically-equal constants are not equal, resulting in poor
+ optimization.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Work around gcc 4.6.0 bug that breaks WAL replay (Tom Lane)
+ </para>
+
+ <para>
+ This could lead to loss of committed transactions after a server crash.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix dump bug for <literal>VALUES</> in a view (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Disallow <literal>SELECT FOR UPDATE/SHARE</> on sequences (Tom Lane)
+ </para>
+
+ <para>
+ This operation doesn't work as expected and can lead to failures.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Defend against integer overflow when computing size of a hash table (Tom
+ Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix portability bugs in use of credentials control messages for
+ <quote>peer</> authentication (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix typo in <function>pg_srand48</> seed initialization (Andres Freund)
+ </para>
+
+ <para>
+ This led to failure to use all bits of the provided seed. This function
+ is not used on most platforms (only those without <function>srandom</>),
+ and the potential security exposure from a less-random-than-expected
+ seed seems minimal in any case.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid integer overflow when the sum of <literal>LIMIT</> and
+ <literal>OFFSET</> values exceeds 2^63 (Heikki Linnakangas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add overflow checks to <type>int4</> and <type>int8</> versions of
+ <function>generate_series()</> (Robert Haas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix trailing-zero removal in <function>to_char()</> (Marti Raudsepp)
+ </para>
+
+ <para>
+ In a format with <literal>FM</> and no digit positions
+ after the decimal point, zeroes to the left of the decimal point could
+ be removed incorrectly.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <function>pg_size_pretty()</> to avoid overflow for inputs close to
+ 2^63 (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>psql</>'s counting of script file line numbers during
+ <literal>COPY</> from a different file (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>pg_restore</>'s direct-to-database mode for
+ <varname>standard_conforming_strings</> (Tom Lane)
+ </para>
+
+ <para>
+ <application>pg_restore</> could emit incorrect commands when restoring
+ directly to a database server from an archive file that had been made
+ with <varname>standard_conforming_strings</> set to <literal>on</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix write-past-buffer-end and memory leak in <application>libpq</>'s
+ LDAP service lookup code (Albe Laurenz)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ In <application>libpq</>, avoid failures when using nonblocking I/O
+ and an SSL connection (Martin Pihlak, Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve libpq's handling of failures during connection startup
+ (Tom Lane)
+ </para>
+
+ <para>
+ In particular, the response to a server report of <function>fork()</>
+ failure during SSL connection startup is now saner.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <application>ecpglib</> write <type>double</> values with 15 digits
+ precision (Akira Kurosawa)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Apply upstream fix for blowfish signed-character bug (CVE-2011-2483)
+ (Tom Lane)
+ </para>
+
+ <para>
+ <filename>contrib/pg_crypto</>'s blowfish encryption code could give
+ wrong results on platforms where char is signed (which is most),
+ leading to encrypted passwords being weaker than they should be.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix memory leak in <filename>contrib/seg</> (Heikki Linnakangas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <function>pgstatindex()</> to give consistent results for empty
+ indexes (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow building with perl 5.14 (Alex Hunsaker)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update configure script's method for probing existence of system
+ functions (Tom Lane)
+ </para>
+
+ <para>
+ The version of autoconf we used in 8.3 and 8.2 could be fooled by
+ compilers that perform link-time optimization.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted issues with build and install file paths containing spaces
+ (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update time zone data files to <application>tzdata</> release 2011i
+ for DST law changes in Canada, Egypt, Russia, Samoa, and South Sudan.
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-8-2-21">
<title>Release 8.2.21</title>
</para>
<para>
- This fix prevents a PANIC if a <literal>VACUUM FULL</> is cancelled
+ This fix prevents a PANIC if a <literal>VACUUM FULL</> is canceled
after it's already committed its tuple movements, as well as transient
errors if a plain <literal>VACUUM</> is interrupted after having
truncated the table.
<!-- doc/src/sgml/release-8.3.sgml -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-8-3-16">
+ <title>Release 8.3.16</title>
+
+ <note>
+ <title>Release Date</title>
+ <simpara>2011-09-26</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 8.3.15.
+ For information about new features in the 8.3 major release, see
+ <xref linkend="release-8-3">.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 8.3.16</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>
+ Fix bugs in indexing of in-doubt HOT-updated tuples (Tom Lane)
+ </para>
+
+ <para>
+ These bugs could result in index corruption after reindexing a system
+ catalog. They are not believed to affect user indexes.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix multiple bugs in GiST index page split processing (Heikki
+ Linnakangas)
+ </para>
+
+ <para>
+ The probability of occurrence was low, but these could lead to index
+ corruption.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible buffer overrun in <function>tsvector_concat()</>
+ (Tom Lane)
+ </para>
+
+ <para>
+ The function could underestimate the amount of memory needed for its
+ result, leading to server crashes.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix crash in <function>xml_recv</> when processing a
+ <quote>standalone</> parameter (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid possibly accessing off the end of memory in <command>ANALYZE</>
+ and in SJIS-2004 encoding conversion (Noah Misch)
+ </para>
+
+ <para>
+ This fixes some very-low-probability server crash scenarios.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix race condition in relcache init file invalidation (Tom Lane)
+ </para>
+
+ <para>
+ There was a window wherein a new backend process could read a stale init
+ file but miss the inval messages that would tell it the data is stale.
+ The result would be bizarre failures in catalog accesses, typically
+ <quote>could not read block 0 in file ...</> later during startup.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix memory leak at end of a GiST index scan (Tom Lane)
+ </para>
+
+ <para>
+ Commands that perform many separate GiST index scans, such as
+ verification of a new GiST-based exclusion constraint on a table
+ already containing many rows, could transiently require large amounts of
+ memory due to this leak.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix performance problem when constructing a large, lossy bitmap
+ (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix array- and path-creating functions to ensure padding bytes are
+ zeroes (Tom Lane)
+ </para>
+
+ <para>
+ This avoids some situations where the planner will think that
+ semantically-equal constants are not equal, resulting in poor
+ optimization.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Work around gcc 4.6.0 bug that breaks WAL replay (Tom Lane)
+ </para>
+
+ <para>
+ This could lead to loss of committed transactions after a server crash.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix dump bug for <literal>VALUES</> in a view (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Disallow <literal>SELECT FOR UPDATE/SHARE</> on sequences (Tom Lane)
+ </para>
+
+ <para>
+ This operation doesn't work as expected and can lead to failures.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Defend against integer overflow when computing size of a hash table (Tom
+ Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix cases where <command>CLUSTER</> might attempt to access
+ already-removed TOAST data (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix portability bugs in use of credentials control messages for
+ <quote>peer</> authentication (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix SSPI login when multiple roundtrips are required (Ahmed Shinwari,
+ Magnus Hagander)
+ </para>
+
+ <para>
+ The typical symptom of this problem was <quote>The function requested is
+ not supported</> errors during SSPI login.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix typo in <function>pg_srand48</> seed initialization (Andres Freund)
+ </para>
+
+ <para>
+ This led to failure to use all bits of the provided seed. This function
+ is not used on most platforms (only those without <function>srandom</>),
+ and the potential security exposure from a less-random-than-expected
+ seed seems minimal in any case.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid integer overflow when the sum of <literal>LIMIT</> and
+ <literal>OFFSET</> values exceeds 2^63 (Heikki Linnakangas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add overflow checks to <type>int4</> and <type>int8</> versions of
+ <function>generate_series()</> (Robert Haas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix trailing-zero removal in <function>to_char()</> (Marti Raudsepp)
+ </para>
+
+ <para>
+ In a format with <literal>FM</> and no digit positions
+ after the decimal point, zeroes to the left of the decimal point could
+ be removed incorrectly.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <function>pg_size_pretty()</> to avoid overflow for inputs close to
+ 2^63 (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ In <application>pg_ctl</>, support silent mode for service registrations
+ on Windows (MauMau)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>psql</>'s counting of script file line numbers during
+ <literal>COPY</> from a different file (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>pg_restore</>'s direct-to-database mode for
+ <varname>standard_conforming_strings</> (Tom Lane)
+ </para>
+
+ <para>
+ <application>pg_restore</> could emit incorrect commands when restoring
+ directly to a database server from an archive file that had been made
+ with <varname>standard_conforming_strings</> set to <literal>on</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix write-past-buffer-end and memory leak in <application>libpq</>'s
+ LDAP service lookup code (Albe Laurenz)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ In <application>libpq</>, avoid failures when using nonblocking I/O
+ and an SSL connection (Martin Pihlak, Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve libpq's handling of failures during connection startup
+ (Tom Lane)
+ </para>
+
+ <para>
+ In particular, the response to a server report of <function>fork()</>
+ failure during SSL connection startup is now saner.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve <application>libpq</>'s error reporting for SSL failures (Tom
+ Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <application>ecpglib</> write <type>double</> values with 15 digits
+ precision (Akira Kurosawa)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ In <application>ecpglib</>, be sure <literal>LC_NUMERIC</> setting is
+ restored after an error (Michael Meskes)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Apply upstream fix for blowfish signed-character bug (CVE-2011-2483)
+ (Tom Lane)
+ </para>
+
+ <para>
+ <filename>contrib/pg_crypto</>'s blowfish encryption code could give
+ wrong results on platforms where char is signed (which is most),
+ leading to encrypted passwords being weaker than they should be.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix memory leak in <filename>contrib/seg</> (Heikki Linnakangas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <function>pgstatindex()</> to give consistent results for empty
+ indexes (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow building with perl 5.14 (Alex Hunsaker)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update configure script's method for probing existence of system
+ functions (Tom Lane)
+ </para>
+
+ <para>
+ The version of autoconf we used in 8.3 and 8.2 could be fooled by
+ compilers that perform link-time optimization.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted issues with build and install file paths containing spaces
+ (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update time zone data files to <application>tzdata</> release 2011i
+ for DST law changes in Canada, Egypt, Russia, Samoa, and South Sudan.
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-8-3-15">
<title>Release 8.3.15</title>
</para>
<para>
- This fix prevents a PANIC if a <literal>VACUUM FULL</> is cancelled
+ This fix prevents a PANIC if a <literal>VACUUM FULL</> is canceled
after it's already committed its tuple movements, as well as transient
errors if a plain <literal>VACUUM</> is interrupted after having
truncated the table.
<!-- doc/src/sgml/release-8.4.sgml -->
<!-- See header comment in release.sgml about typical markup -->
+ <sect1 id="release-8-4-9">
+ <title>Release 8.4.9</title>
+
+ <note>
+ <title>Release Date</title>
+ <simpara>2011-09-26</simpara>
+ </note>
+
+ <para>
+ This release contains a variety of fixes from 8.4.8.
+ For information about new features in the 8.4 major release, see
+ <xref linkend="release-8-4">.
+ </para>
+
+ <sect2>
+ <title>Migration to Version 8.4.9</title>
+
+ <para>
+ A dump/restore is not required for those running 8.4.X.
+ </para>
+
+ <para>
+ However, if you are upgrading from a version earlier than 8.4.8,
+ see the release notes for 8.4.8.
+ </para>
+
+ </sect2>
+
+ <sect2>
+ <title>Changes</title>
+
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Fix bugs in indexing of in-doubt HOT-updated tuples (Tom Lane)
+ </para>
+
+ <para>
+ These bugs could result in index corruption after reindexing a system
+ catalog. They are not believed to affect user indexes.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix multiple bugs in GiST index page split processing (Heikki
+ Linnakangas)
+ </para>
+
+ <para>
+ The probability of occurrence was low, but these could lead to index
+ corruption.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix possible buffer overrun in <function>tsvector_concat()</>
+ (Tom Lane)
+ </para>
+
+ <para>
+ The function could underestimate the amount of memory needed for its
+ result, leading to server crashes.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix crash in <function>xml_recv</> when processing a
+ <quote>standalone</> parameter (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <function>pg_options_to_table</> return NULL for an option with no
+ value (Tom Lane)
+ </para>
+
+ <para>
+ Previously such cases would result in a server crash.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid possibly accessing off the end of memory in <command>ANALYZE</>
+ and in SJIS-2004 encoding conversion (Noah Misch)
+ </para>
+
+ <para>
+ This fixes some very-low-probability server crash scenarios.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent intermittent hang in interactions of startup process with
+ bgwriter process (Simon Riggs)
+ </para>
+
+ <para>
+ This affected recovery in non-hot-standby cases.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix race condition in relcache init file invalidation (Tom Lane)
+ </para>
+
+ <para>
+ There was a window wherein a new backend process could read a stale init
+ file but miss the inval messages that would tell it the data is stale.
+ The result would be bizarre failures in catalog accesses, typically
+ <quote>could not read block 0 in file ...</> later during startup.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix memory leak at end of a GiST index scan (Tom Lane)
+ </para>
+
+ <para>
+ Commands that perform many separate GiST index scans, such as
+ verification of a new GiST-based exclusion constraint on a table
+ already containing many rows, could transiently require large amounts of
+ memory due to this leak.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix incorrect memory accounting (leading to possible memory bloat) in
+ tuplestores supporting holdable cursors and plpgsql's <literal>RETURN
+ NEXT</> command (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix performance problem when constructing a large, lossy bitmap
+ (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix join selectivity estimation for unique columns (Tom Lane)
+ </para>
+
+ <para>
+ This fixes an erroneous planner heuristic that could lead to poor
+ estimates of the result size of a join.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix nested PlaceHolderVar expressions that appear only in sub-select
+ target lists (Tom Lane)
+ </para>
+
+ <para>
+ This mistake could result in outputs of an outer join incorrectly
+ appearing as NULL.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow nested <literal>EXISTS</> queries to be optimized properly (Tom
+ Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix array- and path-creating functions to ensure padding bytes are
+ zeroes (Tom Lane)
+ </para>
+
+ <para>
+ This avoids some situations where the planner will think that
+ semantically-equal constants are not equal, resulting in poor
+ optimization.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <command>EXPLAIN</> to handle gating Result nodes within
+ inner-indexscan subplans (Tom Lane)
+ </para>
+
+ <para>
+ The usual symptom of this oversight was <quote>bogus varno</> errors.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Work around gcc 4.6.0 bug that breaks WAL replay (Tom Lane)
+ </para>
+
+ <para>
+ This could lead to loss of committed transactions after a server crash.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix dump bug for <literal>VALUES</> in a view (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Disallow <literal>SELECT FOR UPDATE/SHARE</> on sequences (Tom Lane)
+ </para>
+
+ <para>
+ This operation doesn't work as expected and can lead to failures.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <command>VACUUM</> so that it always updates
+ <literal>pg_class</>.<literal>reltuples</>/<literal>relpages</> (Tom
+ Lane)
+ </para>
+
+ <para>
+ This fixes some scenarios where autovacuum could make increasingly poor
+ decisions about when to vacuum tables.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Defend against integer overflow when computing size of a hash table (Tom
+ Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix cases where <command>CLUSTER</> might attempt to access
+ already-removed TOAST data (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix portability bugs in use of credentials control messages for
+ <quote>peer</> authentication (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix SSPI login when multiple roundtrips are required (Ahmed Shinwari,
+ Magnus Hagander)
+ </para>
+
+ <para>
+ The typical symptom of this problem was <quote>The function requested is
+ not supported</> errors during SSPI login.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Throw an error if <filename>pg_hba.conf</> contains <literal>hostssl</>
+ but SSL is disabled (Tom Lane)
+ </para>
+
+ <para>
+ This was concluded to be more user-friendly than the previous behavior
+ of silently ignoring such lines.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix typo in <function>pg_srand48</> seed initialization (Andres Freund)
+ </para>
+
+ <para>
+ This led to failure to use all bits of the provided seed. This function
+ is not used on most platforms (only those without <function>srandom</>),
+ and the potential security exposure from a less-random-than-expected
+ seed seems minimal in any case.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Avoid integer overflow when the sum of <literal>LIMIT</> and
+ <literal>OFFSET</> values exceeds 2^63 (Heikki Linnakangas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add overflow checks to <type>int4</> and <type>int8</> versions of
+ <function>generate_series()</> (Robert Haas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix trailing-zero removal in <function>to_char()</> (Marti Raudsepp)
+ </para>
+
+ <para>
+ In a format with <literal>FM</> and no digit positions
+ after the decimal point, zeroes to the left of the decimal point could
+ be removed incorrectly.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <function>pg_size_pretty()</> to avoid overflow for inputs close to
+ 2^63 (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Weaken plpgsql's check for typmod matching in record values (Tom Lane)
+ </para>
+
+ <para>
+ An overly enthusiastic check could lead to discarding length modifiers
+ that should have been kept.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Correctly handle quotes in locale names during <application>initdb</>
+ (Heikki Linnakangas)
+ </para>
+
+ <para>
+ The case can arise with some Windows locales, such as <quote>People's
+ Republic of China</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>pg_upgrade</> to preserve toast tables' relfrozenxids
+ during an upgrade from 8.3 (Bruce Momjian)
+ </para>
+
+ <para>
+ Failure to do this could lead to <filename>pg_clog</> files being
+ removed too soon after the upgrade.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ In <application>pg_ctl</>, support silent mode for service registrations
+ on Windows (MauMau)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>psql</>'s counting of script file line numbers during
+ <literal>COPY</> from a different file (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <application>pg_restore</>'s direct-to-database mode for
+ <varname>standard_conforming_strings</> (Tom Lane)
+ </para>
+
+ <para>
+ <application>pg_restore</> could emit incorrect commands when restoring
+ directly to a database server from an archive file that had been made
+ with <varname>standard_conforming_strings</> set to <literal>on</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Be more user-friendly about unsupported cases for parallel
+ <application>pg_restore</> (Tom Lane)
+ </para>
+
+ <para>
+ This change ensures that such cases are detected and reported before
+ any restore actions have been taken.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix write-past-buffer-end and memory leak in <application>libpq</>'s
+ LDAP service lookup code (Albe Laurenz)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ In <application>libpq</>, avoid failures when using nonblocking I/O
+ and an SSL connection (Martin Pihlak, Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve libpq's handling of failures during connection startup
+ (Tom Lane)
+ </para>
+
+ <para>
+ In particular, the response to a server report of <function>fork()</>
+ failure during SSL connection startup is now saner.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve <application>libpq</>'s error reporting for SSL failures (Tom
+ Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <function>PQsetvalue()</> to avoid possible crash when adding a new
+ tuple to a <structname>PGresult</> originally obtained from a server
+ query (Andrew Chernow)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <application>ecpglib</> write <type>double</> values with 15 digits
+ precision (Akira Kurosawa)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ In <application>ecpglib</>, be sure <literal>LC_NUMERIC</> setting is
+ restored after an error (Michael Meskes)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Apply upstream fix for blowfish signed-character bug (CVE-2011-2483)
+ (Tom Lane)
+ </para>
+
+ <para>
+ <filename>contrib/pg_crypto</>'s blowfish encryption code could give
+ wrong results on platforms where char is signed (which is most),
+ leading to encrypted passwords being weaker than they should be.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix memory leak in <filename>contrib/seg</> (Heikki Linnakangas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix <function>pgstatindex()</> to give consistent results for empty
+ indexes (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow building with perl 5.14 (Alex Hunsaker)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update configure script's method for probing existence of system
+ functions (Tom Lane)
+ </para>
+
+ <para>
+ The version of autoconf we used in 8.3 and 8.2 could be fooled by
+ compilers that perform link-time optimization.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix assorted issues with build and install file paths containing spaces
+ (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update time zone data files to <application>tzdata</> release 2011i
+ for DST law changes in Canada, Egypt, Russia, Samoa, and South Sudan.
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-8-4-8">
<title>Release 8.4.8</title>
</para>
<para>
- This fix prevents a PANIC if a <literal>VACUUM FULL</> is cancelled
+ This fix prevents a PANIC if a <literal>VACUUM FULL</> is canceled
after it's already committed its tuple movements, as well as transient
errors if a plain <literal>VACUUM</> is interrupted after having
truncated the table.
<para>
Allow <application>pg_dump</>, <application>pg_dumpall</>, and
<application>pg_restore</> to use a specified role (Benedek
- László)
+ László)
</para>
</listitem>
projects / users / c2main / postgres.git / commitdiff