PostgreSQL TODO List

====================

Current maintainer:Bruce Momjian (pgman@candle.pha.pa.us)

Last updated:Tue Dec 2721:12:26 EST 2005

Last updated:Tue Dec 2722:59:37 EST 2005

The most recent version of this document can be viewed at

http://www.postgresql.org/docs/faqs.TODO.html.

Optimizer / Executor

====================

* Add missing optimizerselectivities for date, r-tree, etc

* Add missingrtreeoptimizerselectivity

* Allow ORDER BY ... LIMIT # to select high/low value without sort or

index using a sequential scan for highest/lowest values

<bodybgcolor="#FFFFFF"text="#000000"link="#FF0000"vlink="#A00000"alink="#0000FF">

<h1><aname="section_1">PostgreSQL TODO List</a></h1>

<p>Current maintainer: Bruce Momjian (<ahref="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>

Last updated: Tue Dec 2721:12:26 EST 2005

Last updated: Tue Dec 2722:59:37 EST 2005

<p>The most recent version of this document can be viewed at<br/>

<ahref="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.

<h1><aname="section_20">Optimizer / Executor</a></h1>

<li>Add missing optimizerselectivities for date, r-tree, etc

<li>Add missingrtreeoptimizerselectivity

</li><li>Allow ORDER BY ... LIMIT # to select high/low value without sort or

index using a sequential scan for highest/lowest values

<p> Right now, if no index exists, ORDER BY ... LIMIT # requires we sort