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