index 2672b556a2c341e28fb79ead1585c800d77f518f..d5b68e73ef5bb2623107cbf69e2d33b3ac82c49a 100644 (file)
<note>
<title>Release Date</title>
<simpara>2015-??-??</simpara>
- <simpara>Current as of 2015-08-03</simpara>
+ <simpara>Current as of 2015-10-03</simpara>
</note>
<sect2>
<listitem>
<!--
+2015年09月24日 [45d256c] Tom Lane: Allow planner to use expression-index stats fo..
+-->
+ <para>
+ Teach the planner to use statistics obtained from an expression
+ index on a boolean-returning function, when a matching function call
+ appears in <literal>WHERE</> (Tom Lane)
+ </para>
+ </listitem>
+
+ <listitem>
+<!--
+2015年09月23日 [cfb2024] Tom Lane: Make ANALYZE compute basic statistics even for..
+-->
+ <para>
+ Make <command>ANALYZE</> compute basic statistics (null fraction and
+ average column width) even for columns whose data type lacks an
+ equality function (Oleksandr Shulgin)
+ </para>
+ </listitem>
+
+ <listitem>
+<!--
2014年11月04日 [5028f22] Heikki..: Switch to CRC-32C in WAL and other places.
2015年02月10日 [025c024] Heikki..: Speed up CRC calculation using slicing-by-8 alg..
2015年04月14日 [3dc2d62] Heikki..: Use Intel SSE 4.2 CRC instructions where availa..
@@ -775,6 +797,21 @@ FIXME: Add docs about restartpoint behaviour change
<listitem>
<!--
+2015年09月26日 [bd7c348] Andres..: Rework the way multixact truncations work.
+2015年09月26日 [6e8af37] Andres..: Remove legacy multixact truncation support.
+-->
+ <para>
+ Rework truncation of the multixact commit log to be properly
+ WAL-logged (Andres Freund)
+ </para>
+
+ <para>
+ This makes things substantially simpler and more robust.
+ </para>
+ </listitem>
+
+ <listitem>
+<!--
2014年11月25日 [aedccb1] Simon ..: action_at_recovery_target recovery config option
2014年12月07日 [b8e33a8] Simon ..: Tweaks for recovery_target_action
2015年03月15日 [51c11a7] Andres..: Remove pause_at_recovery_target recovery.conf s..
2014年06月18日 [8f889b1] Tom Lane: Implement UPDATE tab SET (col1,col2,...) = (SEL..
-->
<para>
- Allow to set multiple columns in
- an <link linkend="SQL-UPDATE"><command>UPDATE</></> to the result of a
- single subselect (Tom Lane)
+ Allow setting multiple target columns in
+ an <link linkend="SQL-UPDATE"><command>UPDATE</></> from the result of
+ a single sub-SELECT (Tom Lane)
</para>
<para>
<listitem>
<!--
+2015年09月30日 [3c4c5ac] Tatsuo..: Fix incorrect tps number calculation in "exclu..
+-->
+ <para>
+ Fix calculation of TPS number <quote>excluding connections
+ establishing</> (Tatsuo Ishii, Fabien Coelho)
+ </para>
+
+ <para>
+ The overhead for connection establishment was miscalculated whenever
+ the number of pgbench threads was less than the number of client
+ connections. Although this is clearly a bug, we won't back-patch it
+ into pre-9.5 branches since it makes TPS numbers not comparable to
+ previous results.
+ </para>
+ </listitem>
+
+ <listitem>
+<!--
2014年10月13日 [98aed6c] Heikki..: Add ––latency-limit option to pgbench.
-->
<para>