On 9/2/19 1:37 PM, Andrey Borodin wrote: > > >> 2 сент. 2019 г., в 22:02, Jonathan S. Katz <jk...@postgresql.org> написал(а): >> >> >> Attached is a patch proposing items for the major items section. This is >> working off of the ongoing draft of the press release[1]. Feedback >> welcome. With respect to the linking, I tried I to give a bunch of >> jumping off points for users to explore the features, but visually tried >> to ensure the readability was consistent. > > + <para> > + Reduction of <acronym>WAL</acronym> overhead of > + <link linkend="gist">GiST</link>, <link linkend="gin">GIN</link>, > and > + <link linkend="spgist">SP-GiST</link> indexes and added support > + for covering indexes via the <link linkend="sql-createindex"> > + <literal>INCLUDE</literal></link> clause for > + <link linkend="spgist">SP-GiST</link> indexes > + </para> > > Maybe I'm missing something, but covering indexes are supported in GiST, not > in SP-GiST.
Nope, you're absolutely correct: that was a typo as a result of copying/pasting formatting. Attached is a revision that correctly specifies covering indexes for GiST. Thanks! Jonathan
diff --git a/doc/src/sgml/release-12.sgml b/doc/src/sgml/release-12.sgml
index 8b668ade0f..62ab9fb21f 100644
--- a/doc/src/sgml/release-12.sgml
+++ b/doc/src/sgml/release-12.sgml
@@ -21,7 +21,125 @@
<itemizedlist>
<listitem>
- <para>big item</para>
+ <para>
+ General performance improvements, including:
+ <itemizedlist>
+ <listitem>
+ <para>
+ Optimizations to space utilization and read/write performance for
+ B-tree indexes that are frequently modified
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Partitioning enhancements that include query performance improvements
+ on tables with thousands of partitions, improved performance with
+ <xref linkend="sql-insert"/> and <xref linkend="sql-copy"/>, and the
+ ability to execute <link linkend="sql-altertable">
+ <command>ATTACH PARTITION</command></link> without blocking queries
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <link linkend="queries-with">Common table expressions</link>
+ (<acronym>CTE</acronym>) can now be automatically inlined
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Reduction of <acronym>WAL</acronym> overhead of
+ <link linkend="gist">GiST</link>, <link linkend="gin">GIN</link>, and
+ <link linkend="spgist">SP-GiST</link> indexes and added support
+ for covering indexes via the <link linkend="sql-createindex">
+ <literal>INCLUDE</literal></link> clause for
+ <link linkend="gist">GiST</link> indexes
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <xref linkend="sql-createstatistics"/> now supports most-common value
+ (MCV) statistics to support improved query plans for columns that are
+ nonuniformly distributed
+ </para>
+ </listitem>
+ </itemizedlist>
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Enhancements to administrative functionality, including:
+ <itemizedlist>
+ <listitem>
+ <para>
+ Rebuild an index without blocking writes to a table with the
+ <link linkend="sql-reindex">
+ <command>REINDEX CONCURRENTLY</command></link> command
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <xref linkend="app-pgchecksums"/> can enable/disable page checksums,
+ used for detecting data corruption, in an offline cluster
+ </para>
+ <para>
+ Progress reporting statistics for <xref linkend="sql-createindex"/>,
+ <xref linkend="sql-reindex"/>, <xref linkend="sql-cluster"/>,
+ <link linkend="sql-vacuum">VACUUM FULL</link>, and
+ <xref linkend="app-pgchecksums"/>
+ </para>
+ </listitem>
+ </itemizedlist>
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Support for the <acronym>SQL/JSON</acronym>
+ <link linkend="functions-json-processing-table">path</link> language
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Stored <link linkend="sql-createtable">generated columns</link>
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Nondeterministic ICU
+ <link linkend="sql-createcollation">collations</link> that enable
+ case-insensitive and accent-insensitive ordering
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New authentication features, including:
+ <itemizedlist>
+ <listitem>
+ <para>
+ Client and server-side encryption for authentication over the
+ <link linkend="gssapi-auth"><acronym>GSSAPI</acronym></link>
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Discovery of LDAP servers if <productname>PostgreSQL</productname> is
+ built with <productname>OpenLDAP</productname>
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Support multifactor authentication with the <link linkend="auth-cert">
+ <literal>clientcert=verify-full</literal></link> option when combined
+ with an additional authentication method in
+ <filename>pg_hba.conf</filename>
+ </para>
+ </listitem>
+ </itemizedlist>
+ </para>
</listitem>
</itemizedlist>
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