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Diffstat (limited to 'doc/src/sgml/release-8.4.sgml')
| -rw-r--r-- | doc/src/sgml/release-8.4.sgml | 253 |
1 files changed, 252 insertions, 1 deletions
diff --git a/doc/src/sgml/release-8.4.sgml b/doc/src/sgml/release-8.4.sgml index 7dbc11eb5da..f8e03149fa5 100644 --- a/doc/src/sgml/release-8.4.sgml +++ b/doc/src/sgml/release-8.4.sgml @@ -1,6 +1,257 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.4.sgml,v 1.12.2.5 2010/03/10 01:58:24 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.4.sgml,v 1.12.2.6 2010/05/12 23:27:26 tgl Exp $ --> <!-- See header comment in release.sgml about typical markup --> + <sect1 id="release-8-4-4"> + <title>Release 8.4.4</title> + + <note> + <title>Release date</title> + <simpara>2010-05-17</simpara> + </note> + + <para> + This release contains a variety of fixes from 8.4.3. + For information about new features in the 8.4 major release, see + <xref linkend="release-8-4">. + </para> + + <sect2> + <title>Migration to Version 8.4.4</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> + Fix error during WAL replay of <literal>ALTER ... SET TABLESPACE</> + (Tom) + </para> + + <para> + When <varname>archive_mode</> is on, <literal>ALTER ... SET TABLESPACE</> + generates a WAL record whose replay logic was incorrect. It could write + the data to the wrong place, leading to possibly-unrecoverable data + corruption. Data corruption would be observed on standby slaves, and + could occur on the master as well if a database crash and recovery + occurred after committing the <literal>ALTER</> and before the next + checkpoint. + </para> + </listitem> + + <listitem> + <para> + Fix possible crash if a cache reset message is received during + rebuild of a relcache entry (Heikki) + </para> + + <para> + This error was introduced in 8.4.3 while fixing a related failure. + </para> + </listitem> + + <listitem> + <para> + Apply per-function GUC settings while running the language validator + for the function (Itagaki Takahiro) + </para> + + <para> + This avoids failures if the function's code is invalid without the + setting; an example is that SQL functions may not parse if the + <varname>search_path</> is not correct. + </para> + </listitem> + + <listitem> + <para> + Do constraint exclusion for inherited <command>UPDATE</> and + <command>DELETE</> target tables when + <varname>constraint_exclusion</> = <literal>partition</> (Tom) + </para> + + <para> + Due to an oversight, this setting previously only caused constraint + exclusion to be checked in <command>SELECT</> commands. + </para> + </listitem> + + <listitem> + <para> + Do not allow an unprivileged user to reset superuser-only parameter + settings (Alvaro) + </para> + + <para> + Previously, if an unprivileged user ran <literal>ALTER USER ... RESET + ALL</> for himself, or <literal>ALTER DATABASE ... RESET ALL</> for + a database he owns, this would remove all special parameter settings + for the user or database, even ones that are only supposed to be + changeable by a superuser. Now, the <command>ALTER</> will only + remove the parameters that the user has permission to change. + </para> + </listitem> + + <listitem> + <para> + Avoid possible crash during backend shutdown if shutdown occurs + when a <literal>CONTEXT</> addition would be made to log entries (Tom) + </para> + + <para> + In some cases the context-printing function would fail because the + current transaction had already been rolled back when it came time + to print a log message. + </para> + </listitem> + + <listitem> + <para> + Fix erroneous handling of <literal>%r</> parameter in + <varname>recovery_end_command</> (Heikki) + </para> + + <para> + The value always came out zero. + </para> + </listitem> + + <listitem> + <para> + Ensure the archiver process responds to changes in + <varname>archive_command</> as soon as possible (Tom) + </para> + </listitem> + + <listitem> + <para> + Fix pl/pgsql's <literal>CASE</> statement to not fail when the + case expression is a query that returns no rows (Tom) + </para> + </listitem> + + <listitem> + <para> + Update pl/perl's <filename>ppport.h</> for modern Perl versions + (Andrew) + </para> + </listitem> + + <listitem> + <para> + Fix assorted memory leaks in pl/python (Andreas Freund, Tom) + </para> + </listitem> + + <listitem> + <para> + Handle empty-string connect parameters properly in ecpg (Michael) + </para> + </listitem> + + <listitem> + <para> + Prevent infinite recursion in <application>psql</> when expanding + a variable that refers to itself (Tom) + </para> + </listitem> + + <listitem> + <para> + Fix <application>psql</>'s <literal>\copy</> to not add spaces around + a dot within <literal>\copy (select ...)</> (Tom) + </para> + + <para> + Addition of spaces around the decimal point in a numeric literal would + result in a syntax error. + </para> + </listitem> + + <listitem> + <para> + Avoid formatting failure in <application>psql</> when running in a + locale context that doesn't match the <varname>client_encoding</> + (Tom) + </para> + </listitem> + + <listitem> + <para> + Fix unnecessary <quote>GIN indexes do not support whole-index scans</> + errors for unsatisfiable queries using <filename>contrib/intarray</> + operators (Tom) + </para> + </listitem> + + <listitem> + <para> + Ensure that <filename>contrib/pgstattuple</> functions respond to cancel + interrupts promptly (Tatsuhito Kasahara) + </para> + </listitem> + + <listitem> + <para> + Make server startup deal properly with the case that + <function>shmget()</> returns <literal>EINVAL</> for an existing + shared memory segment (Tom) + </para> + + <para> + This behavior has been observed on BSD-derived kernels including OS X. + It resulted in an entirely-misleading startup failure complaining that + the shared memory request size was too large. + </para> + </listitem> + + <listitem> + <para> + Avoid possible crashes in syslogger process on Windows (Heikki) + </para> + </listitem> + + <listitem> + <para> + Deal more robustly with incomplete time zone information in the + Windows registry (Magnus) + </para> + </listitem> + + <listitem> + <para> + Update the set of known Windows time zone names (Magnus) + </para> + </listitem> + + <listitem> + <para> + Update time zone data files to <application>tzdata</> release 2010j + for DST law changes in Argentina, Australian Antarctic, Bangladesh, + Mexico, Morocco, Pakistan, Palestine, Russia, Syria, Tunisia; + also historical corrections for Taiwan. + </para> + + <para> + Also, add <literal>PKST</> (Pakistan Summer Time) to the default set of + timezone abbreviations. + </para> + </listitem> + + </itemizedlist> + + </sect2> + </sect1> + <sect1 id="release-8-4-3"> <title>Release 8.4.3</title> |