Commit 26f831a9 authored by Tom Lane's avatar Tom Lane

Update and copy-edit release notes for 8.0.2.

parent 988dec05
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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 $
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<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 ...@@ -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 ...@@ -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 ...@@ -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>
This setting causes <productname>PostgreSQL</productname> to write through
any disk-drive write cache when writing to WAL.
This behavior was formerly called <option>fsync</>, but was
renamed because it acts quite differently from <option>fsync</> on other
platforms.
</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>
Because the default is no longer <option>fsync_writethrough</>,
data loss is possible during a power failure if the disk drive has
write caching enabled. To turn off the write cache on Windows,
from the <application>Device Manager</>, choose the drive properties,
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>
<listitem><para>Planner adjustments to improve behavior on freshly-created
tables (Tom)</para></listitem>
<listitem><para>Allow plpgsql to assign to an element of an array that is
initially <literal>NULL</> (Tom)</para>
<para>
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> <para>
This allows these functions to work on platforms that sometimes This prevents syntax errors when plpython code is written on a Windows or
generate errors with a locale of <literal>C</> and a non-<literal>SQL_ASCII</> Mac client.
encoding. </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> </para></listitem>
<listitem><para>Enable the <varname>wal_sync_method</> variable value of <listitem><para>Change the Windows default for configuration parameter
<option>open_datasync</> on Win32, and make it the default for that <varname>log_destination</> to <option>eventlog</> (Magnus)</para>
platform. (Magnus, Bruce)</para> <para>
<para> By default, a server running on Windows will now send log output to the
This makes Win32 behave like other supported platforms that require the Windows event logger rather than standard error.
administrator to make sure that data is guaranteed to be written to permanent </para></listitem>
storage after a sync operation. To turn off the write cache on Win32, <listitem><para>Make Kerberos authentication work on Windows (Magnus)</para></listitem>
from the <application>Device Manager</>, chose the drive properties, <listitem><para>Allow <command>ALTER DATABASE RENAME</> by superusers
then <literal>Policies</>. 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> </para></listitem>
<listitem><para>Add Win32-only <varname>wal_sync_method</> value of <option> <listitem><para>Fix crash from a backend exiting with an open transaction
fsync_writethrough</> to write through any write cache between the that created a table and opened a cursor on it (Tom)</para></listitem>
operating system and the drive when doing a sync. <listitem><para>Fix <function>array_map()</> so it can call PL functions
(Magnus, Bruce)</para></listitem> (Tom)</para></listitem>
<listitem><para>Fix crash from a backend exiting an open transaction <listitem><para>Several <filename>contrib/tsearch2</> and
with a <command>CREATE</> and a <command>FETCH</> (Tom)</para></listitem> <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>
......
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