<note>
<title>Release Date</title>
<simpara>2016-??-??</simpara>
- <simpara>Current as of 2016-05-05 (commit 7a622b273)</simpara>
+ <simpara>Current as of 2016-05-08 (commit 6f69b9639)</simpara>
</note>
<sect2>
<listitem>
<!--
2016-04-08 [848ef42bb] Add the "snapshot too old" feature
+2016-05-06 [2cc41acd8] Fix hash index vs "snapshot too old" problemms
+2016-05-06 [7e3da1c47] Mitigate "snapshot too old" performance regression on NU
-->
<para>
Allow old MVCC snapshots to be invalidated after a configurable
2016-03-31 [f9aefcb91] Support using index-only scans with partial indexes in m
-->
<para>
- Allow using an index-only scan with a partial index when the index's
- predicate involves column(s) not stored in the index
- (Tomas Vondra, Kyotaro Horiguchi)
+ Allow using an <link linkend="indexes-index-only-scans">index-only
+ scan</link> with a partial index when the index's predicate involves
+ column(s) not stored in the index (Tomas Vondra, Kyotaro Horiguchi)
</para>
<para>
An index-only scan is now allowed if the query mentions such columns
- only in <literal>WHERE</> clauses that match the index predicate (and
- hence need not be rechecked at runtime).
+ only in <literal>WHERE</> clauses that match the index predicate.
</para>
</listitem>
waiting for a heavyweight lock. Now waits for lightweight locks
and buffer pins are also shown in <structname>pg_stat_activity</>.
Also, the type of lock being waited for is now visible.
+ These changes replace the <structfield>waiting</> column
+ with <structfield>wait_event_type</> and <structfield>wait_event</>.
</para>
</listitem>
-->
<para>
Add <link linkend="view-pg-config"><structname>pg_config</></link>
- system view to expose the same information available from
- the <application>pg_config</> utility (Joe Conway)
+ system view (Joe Conway)
+ </para>
+
+ <para>
+ This view exposes the same information available from
+ the <application>pg_config</> utility, namely assorted compile-time
+ configuration information for <productname>PostgreSQL</>.
</para>
</listitem>
<para>
The number of standby servers that must acknowledge a commit before
- it's considered done is now configurable.
+ it's considered done is now configurable as part of the
+ <xref linkend="guc-synchronous-standby-names"> parameter.
</para>
</listitem>
<listitem>
<!--
2016-04-08 [293007898] Reserve the "pg_" namespace for roles
+2016-05-06 [a89505fd2] Remove various special checks around default roles
+2016-05-08 [7df974ee0] Disallow superuser names starting with 'pg_' in initdb
-->
<para>
Treat role names beginning with <literal>pg_</> as reserved
<listitem>
<!--
2016-03-11 [6943a946c] Tsvector editing functions
+2016-05-05 [0b9a23443] Rename tsvector delete() to ts_delete(), and filter() to
-->
<para>
Add new functions for <type>tsvector</> data (Stas Kelvich)
2016-04-06 [a9f0e8e5a] In pg_dump, use a bitmap to represent what to include
2016-04-06 [d217b2c36] In pg_dump, split "dump" into "dump" and "dump_contains"
2016-04-06 [23f34fa4b] In pg_dump, include pg_catalog and extension ACLs, if ch
+2016-05-06 [5d589993c] pg_dump performance and other fixes
+2016-05-06 [e1b120a8c] Only issue LOCK TABLE commands when necessary
-->
<para>
In <application>pg_dump</>,
<listitem>
<!--
2015-07-03 [8eb6407aa] Add psql \ev and \sv commands for editing and showing vi
+2016-05-06 [9b66aa006] Fix psql's \ev and \sv commands so that they handle view
-->
<para>
Add <literal>\ev</> and <literal>\sv</> commands
2016-03-01 [7e137f846] Extend pgbench's expression syntax to support a few buil
2016-03-28 [86c43f4e2] pgbench: Support double constants and functions.
2016-05-05 [7a622b273] Rename pgbench min/max to least/greatest, and fix handli
+2016-05-06 [951529948] Improve handling of numeric-valued variables in pgbench.
-->
<para>
Support floating-point arithmetic, as well as
2016-03-03 [2c83f435a] Rework PostgresNode's psql method
2016-02-26 [49148645f] Add a test framework for recovery
2016-02-26 [74d58425c] Apply last revision of recovery patch
+2016-05-06 [6bd356c33] Add TAP tests for pg_dump
-->
<para>
Improve TAP testing infrastructure
- (Michael Paquier, Craig Ringer, Álvaro Herrera)
+ (Michael Paquier, Craig Ringer, Álvaro Herrera, Stephen Frost)
</para>
<para>