From: Bruce Momjian <bruce@momjian.us>
Date: Sat, 13 Jun 2015 01:47:08 +0000 (-0400)
Subject: release notes:  add two optimizer items
X-Git-Tag: REL9_5_ALPHA1~73
X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=89fe9bfc4ed3b5dc8e02119cc1fd39c975ffdea0;p=postgresql.git

release notes:  add two optimizer items

Report by Tom Lane
---

diff --git a/doc/src/sgml/release-9.5.sgml b/doc/src/sgml/release-9.5.sgml
index 98f2107de33..17301a459af 100644
--- a/doc/src/sgml/release-9.5.sgml
+++ b/doc/src/sgml/release-9.5.sgml
@@ -240,6 +240,21 @@
        </para>
       </listitem>
 
+      <listitem>
+       <para>
+        Allow the optimizer to remove unnecessary references to left
+        outer join subqueries (David Rowley)
+       </para>
+      </listitem>
+
+      <listitem>
+       <para>
+        Allow pushdown of query restrictions into <link
+        linkend="functions-window">window functions</>, where appropriate
+        (David Rowley)
+       </para>
+      </listitem>
+
       <listitem>
        <para>
         Speed up <acronym>CRC</> (cyclic redundancy check) computations