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Update and copy-edit release notes for 8.0.2.

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Tom Lane 2005-04-07 19:04:13 +00:00
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doc/src/sgml/release.sgml
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<!-- <!--
$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.332 2005/04/05 04:47:19 tgl Exp $ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.333 2005/04/07 19:04:13 tgl Exp $
--> -->
<appendix id="release"> <appendix id="release">
@ -22,8 +22,8 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.332 2005/04/05 04:47:19 tgl Exp
<para> <para>
A dump/restore is not required for those running 8.0.*. A dump/restore is not required for those running 8.0.*.
This release does update the major version number of the This release updates the major version number of the
<productname>PostgreSQL</productname> libraries so it might be <productname>PostgreSQL</productname> libraries, so it might be
necessary to re-link some user applications if they cannot necessary to re-link some user applications if they cannot
find the properly-numbered shared library. find the properly-numbered shared library.
</para> </para>
@ -33,42 +33,6 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.332 2005/04/05 04:47:19 tgl Exp
<title>Changes</title> <title>Changes</title>
<itemizedlist> <itemizedlist>
<listitem><para>Use the proper default mask length for <type>INET</> data types with class
<literal>D</> addresses (Tom)</para></listitem>
<listitem><para>Allow plpgsql to assign a value to an array that is initially
<literal>NULL</> (Tom)</para></listitem>
<listitem><para>Fix <command>CLUSTER</> failure after <command>ALTER TABLE
SET WITHOUT OIDS</> (Tom)</para></listitem>
<listitem><para>Fix ecpg bugs in parsing of <command>CREATE</> statement
(Michael)</para></listitem>
<listitem><para>Reduce memory usage of <command>ALTER TABLE ADD COLUMN</>
(Neil)</para></listitem>
<listitem><para>Allow SPI to handle utility commands like <command>EXPLAIN</>
that return rows (Tom)</para></listitem>
<listitem><para>Fix <command>ALTER LANGUAGE RENAME</> (Tom)</para></listitem>
<listitem><para>Document the Win32 <literal>register</> and <literal>
unregister</>
<application>pg_ctl</> options (Magnus)</para></listitem>
<listitem><para>Several <filename>/contrib/btree_gist</> fixes (Teodor)
</para></listitem>
<listitem><para>New cache replacement policy <acronym>2Q</> replaces
<acronym>ARC</> (Tom)</para>
<para>
This was done to void a pending US patent on <acronym>ARC</>. The
<acronym>2Q</> code might be a few percentage points slower than
<acronym>ARC</> for busy sites. Another new cache replacement
policy will appear in 8.1.
</para></listitem>
<listitem><para>Change the Win32 default for config variable
<varname>log_destination</> to <option>eventlog</> (Magnus)</para>
<para>
This, by default, will send all Win32 server log output to the Win32 event
logger rather than standard error.
</para></listitem>
<listitem><para>Fix crash of some <filename>/contrib/pgcrypto</>
functions on some platforms (Neil)</para></listitem>
<listitem><para>Allow <command>ALTER DATABASE RENAME</> by superusers
who can't create databases (Tom)</para></listitem>
<listitem><para>Increment the major version number of all interface <listitem><para>Increment the major version number of all interface
libraries (Bruce)</para> libraries (Bruce)</para>
<para> <para>
@ -77,51 +41,120 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.332 2005/04/05 04:47:19 tgl Exp
can be used on the same machine as 8.0.X applications. This might require can be used on the same machine as 8.0.X applications. This might require
re-linking user applications that use these libraries. re-linking user applications that use these libraries.
</para></listitem> </para></listitem>
<listitem><para>Do not use locale-aware versions of <function>upper()</>, <listitem><para>Add Windows-only <varname>wal_sync_method</> setting of
<function>lower()</>, and <function>initcap()</> when the locale is <literal>C</>. <option>fsync_writethrough</> (Magnus, Bruce)</para>
(Bruce)</para>
<para> <para>
This allows these functions to work on platforms that sometimes This setting causes <productname>PostgreSQL</productname> to write through
generate errors with a locale of <literal>C</> and a non-<literal>SQL_ASCII</> any disk-drive write cache when writing to WAL.
encoding. This behavior was formerly called <option>fsync</>, but was
</para></listitem> renamed because it acts quite differently from <option>fsync</> on other
<listitem><para>Enable the <varname>wal_sync_method</> variable value of platforms.
<option>open_datasync</> on Win32, and make it the default for that </para>
platform. (Magnus, Bruce)</para> </listitem>
<listitem><para>Enable the <varname>wal_sync_method</> setting of
<option>open_datasync</> on Windows, and make it the default for that
platform (Magnus, Bruce)</para>
<para> <para>
This makes Win32 behave like other supported platforms that require the Because the default is no longer <option>fsync_writethrough</>,
administrator to make sure that data is guaranteed to be written to permanent data loss is possible during a power failure if the disk drive has
storage after a sync operation. To turn off the write cache on Win32, write caching enabled. To turn off the write cache on Windows,
from the <application>Device Manager</>, chose the drive properties, from the <application>Device Manager</>, choose the drive properties,
then <literal>Policies</>. then <literal>Policies</>.
</para>
</listitem>
<listitem><para>New cache management algorithm <acronym>2Q</> replaces
<acronym>ARC</> (Tom)</para>
<para>
This was done to avoid a pending US patent on <acronym>ARC</>. The
<acronym>2Q</> code might be a few percentage points slower than
<acronym>ARC</> for some work loads. A better cache management algorithm
will appear in 8.1.
</para></listitem> </para></listitem>
<listitem><para>Add Win32-only <varname>wal_sync_method</> value of <option> <listitem><para>Planner adjustments to improve behavior on freshly-created
fsync_writethrough</> to write through any write cache between the tables (Tom)</para></listitem>
operating system and the drive when doing a sync. <listitem><para>Allow plpgsql to assign to an element of an array that is
(Magnus, Bruce)</para></listitem> initially <literal>NULL</> (Tom)</para>
<listitem><para>Fix crash from a backend exiting an open transaction <para>
with a <command>CREATE</> and a <command>FETCH</> (Tom)</para></listitem> Formerly the array would remain <literal>NULL</>, but now it becomes a
single-element array. The main SQL engine was changed to handle
<command>UPDATE</> of a null array value this way in 8.0, but the similar
case in plpgsql was overlooked.
</para>
</listitem>
<listitem><para>Convert <literal>\r\n</> and <literal>\r</> to <literal>\n</>
in plpython function bodies (Michael Fuhr)</para>
<para>
This prevents syntax errors when plpython code is written on a Windows or
Mac client.
</para>
</listitem>
<listitem><para>Allow SPI cursors to handle utility commands that return rows,
such as <command>EXPLAIN</> (Tom)</para></listitem>
<listitem><para>Fix <command>CLUSTER</> failure after <command>ALTER TABLE
SET WITHOUT OIDS</> (Tom)</para></listitem>
<listitem><para>Reduce memory usage of <command>ALTER TABLE ADD COLUMN</>
(Neil)</para></listitem>
<listitem><para>Fix <command>ALTER LANGUAGE RENAME</> (Tom)</para></listitem>
<listitem><para>Document the Windows-only <literal>register</> and
<literal>unregister</> options of <application>pg_ctl</> (Magnus)</para></listitem>
<listitem><para>Ensure operations done during backend shutdown are counted by
statistics collector</para>
<para>
This is expected to resolve reports of <application>pg_autovacuum</>
not vacuuming the system catalogs often enough &mdash; it was not being
told about catalog deletions caused by temporary table removal during
backend exit.
</para></listitem>
<listitem><para>Change the Windows default for configuration parameter
<varname>log_destination</> to <option>eventlog</> (Magnus)</para>
<para>
By default, a server running on Windows will now send log output to the
Windows event logger rather than standard error.
</para></listitem>
<listitem><para>Make Kerberos authentication work on Windows (Magnus)</para></listitem>
<listitem><para>Allow <command>ALTER DATABASE RENAME</> by superusers
who aren't flagged as having CREATEDB privilege (Tom)</para></listitem>
<listitem><para>Modify WAL log entries for <command>CREATE</> and
<command>DROP DATABASE</> to not specify absolute paths (Tom)</para>
<para>This allows point-in-time recovery on a different machine with possibly
different database location. Note that <command>CREATE TABLESPACE</> still
poses a hazard in such situations.
</para></listitem>
<listitem><para>Fix crash from a backend exiting with an open transaction
that created a table and opened a cursor on it (Tom)</para></listitem>
<listitem><para>Fix <function>array_map()</> so it can call PL functions
(Tom)</para></listitem>
<listitem><para>Several <filename>contrib/tsearch2</> and
<filename>contrib/btree_gist</> fixes (Teodor)
</para></listitem>
<listitem><para>Fix crash of some <filename>contrib/pgcrypto</>
functions on some platforms (Marko Kreen)</para></listitem>
<listitem><para>Fix <filename>contrib/intagg</> for 64-bit platforms
(Tom)</para></listitem>
<listitem><para>Fix ecpg bugs in parsing of <command>CREATE</> statement
(Michael)</para></listitem>
<listitem><para>Work around gcc bug on powerpc and amd64 causing problems in <listitem><para>Work around gcc bug on powerpc and amd64 causing problems in
ecpg (Christof Petig)</para></listitem> ecpg (Christof Petig)</para></listitem>
<listitem><para>Modify WAL log entries for <command>CREATE</> and <command> <listitem><para>Do not use locale-aware versions of <function>upper()</>,
DROP DATABASE</> to not specify absolute paths</para> <function>lower()</>, and <function>initcap()</> when the locale is
<para>This allows point-in-time recovery on a different machine. (Tom) <literal>C</> (Bruce)</para>
<para>
This allows these functions to work on platforms that generate errors
for non-7-bit data when the locale is <literal>C</>.
</para></listitem> </para></listitem>
<listitem><para>Fix <filename>/contrib/intagg</> for 64-bit platforms <listitem><para>Fix <function>quote_ident()</> to quote names that match keywords (Tom)</para></listitem>
(Tom)</para></listitem>
<listitem><para>Convert plpython function bodies containing <literal>\r\n</>
and <literal>\r</> to <literal>\n</> (Michael Fuhr)</para></listitem>
<listitem><para>Allow Kerberos to work on Win32 (Magnus)</para></listitem>
<listitem><para>Fix <function>to_date()</> to behave reasonably when <listitem><para>Fix <function>to_date()</> to behave reasonably when
<literal>CC</> and <literal>YY</> fields are both used (Karel)</para></listitem> <literal>CC</> and <literal>YY</> fields are both used (Karel)</para></listitem>
<listitem><para>Prevent <function>to_char(interval)</> from failing <listitem><para>Prevent <function>to_char(interval)</> from failing
when given a zero-month interval (Tom)</para></listitem> when given a zero-month interval (Tom)</para></listitem>
<listitem><para>Fix wrong week returned by <function>date_trunc</>('week')</para> <listitem><para>Fix wrong week returned by <function>date_trunc('week')</>
(Bruce)</para>
<para> <para>
This was a problem for early January dates. <function>date_trunc('week')</> <function>date_trunc('week')</>
returned the wrong year for <literal> 2005-01-01</> and <literal>2006-01-01</> returned the wrong year for the first few days of January in some years.
(Bruce)
</para></listitem> </para></listitem>
<listitem><para>Use the correct default mask length for class <literal>D</>
addresses in <type>INET</> data types (Tom)</para></listitem>
</itemizedlist> </itemizedlist>
</sect2> </sect2>