release notes: add two optimizer items

Report by Tom Lane
2015-06-12 21:47:08 -04:00 · 2015-06-12 21:47:08 -04:00 · 89fe9bfc4e
commit 89fe9bfc4e
parent 2271d002d5
1 changed files with 15 additions and 0 deletions
--- 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