release notes: add two optimizer items
authorBruce Momjian <bruce@momjian.us>
Sat, 13 Jun 2015 01:47:08 +0000 (21:47 -0400)
committerBruce Momjian <bruce@momjian.us>
Sat, 13 Jun 2015 01:47:49 +0000 (21:47 -0400)
Report by Tom Lane

doc/src/sgml/release-9.5.sgml

index 98f2107de332d0f2a6d0583d1e7bc774657c55d8..17301a459af000098bf8275902fc1305a0e2076b 100644 (file)
        </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