index 05f3949ac7b32d8d09b30903ab7b7d71af5e1b8c..2ab27b721ea189f84033fce730ecab48e6d65bf9 100644 (file)
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release-9.0.sgml,v 2.44 2010年07月29日 21:18:11 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release-9.0.sgml,v 2.45 2010年08月06日 17:56:43 rhaas Exp $ -->
<sect1 id="release-9-0">
<title>Release 9.0</title>
</para>
</listitem>
+ <listitem>
+ <para>
+ Add support for compiling on <link
+ linkend="install-win32-full">64-bit
+ <productname>Windows</></link> and running in 64-bit
+ mode.
+ </para>
+ </listitem>
+
<listitem>
<para>
Broadly enhanced stored procedure support.
</para>
</listitem>
+ <listitem>
+ <para>
+ More advanced reporting queries with additional windowing functions
+ (PRECEDING and FOLLOWING) and the ability to ORDER BY inside aggregate
+ functions.
+ </para>
+ </listitem>
+
<listitem>
<para>
Triggers now support two new features,
<listitem>
<para>
- Exclusion constraints let database designers define uniqueness
- based on complex criteria, including for non-scalar data such
- as time periods, ranges and arrays.
+ New and enhanced security features, including RADIUS authentication,
+ LDAP authentication improvements, and the new checkpassword optional module
+ for testing password strength.
</para>
</listitem>
</para>
</listitem>
+ <listitem>
+ <para>
+ Add <link linkend="pgupgrade"><filename>/contrib/pg_upgrade</></link>
+ to support in-place upgrades from 8.3 or 8.4 to 9.0.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Multiple performance enhancements for specific types of queries,
+ including join elimination, which optimizes automatically generated
+ queries, such as those produced by object-relational mappers (ORMs).
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Exclusion constraints let database designers define uniqueness
+ based on complex criteria, including for non-scalar data such
+ as time periods, ranges and arrays.
+ </para>
+ </listitem>
+
<listitem>
<para>
As part of our decade-long effort to eliminate the pain of VACUUM,
- <command>VACUUM FULL</> is now substantially faster by
+ <command>VACUUM FULL</> is not substantially faster by
rewriting the entire table and
indexes, rather than moving around single rows to compact space.
</para>
<listitem>
<para>
- Add support for compiling on <link
- linkend="install-win32-full">64-bit
- <productname>Windows</></link> and running in 64-bit
- mode.
+ EXPLAIN plans are now available in JSON, XML and YAML format, and include
+ buffer utilization and other data not previously available.
</para>
</listitem>
<listitem>
<para>
- Add <link linkend="pgupgrade"><filename>/contrib/pg_upgrade</></link>
- to support in-place upgrades from 8.3 or 8.4 to 9.0.
+ The HStore optional module has been improved with new functions and greater
+ data capacity to make it a high-performance key-value store.
</para>
</listitem>