< * Add missing optimizer selectivities for date, r-tree, etc
> * Add missing rtree optimizer selectivity
This commit is contained in:
Bruce Momjian 2005-12-28 03:59:39 +00:00
parent 87289ff35c
commit 6fa335721a
2 changed files with 4 additions and 4 deletions

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PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Tue Dec 27 21:12:26 EST 2005
Last updated: Tue Dec 27 22:59:37 EST 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -1018,7 +1018,7 @@ Write-Ahead Log
Optimizer / Executor
====================
* Add missing optimizer selectivities for date, r-tree, etc
* Add missing rtree optimizer selectivity
* Allow ORDER BY ... LIMIT # to select high/low value without sort or
index using a sequential scan for highest/lowest values

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<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<h1><a name="section_1">PostgreSQL TODO List</a></h1>
<p>Current maintainer: Bruce Momjian (<a href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
Last updated: Tue Dec 27 21:12:26 EST 2005
Last updated: Tue Dec 27 22:59:37 EST 2005
</p>
<p>The most recent version of this document can be viewed at<br/>
<a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
@ -923,7 +923,7 @@ first.
<h1><a name="section_20">Optimizer / Executor</a></h1>
<ul>
<li>Add missing optimizer selectivities for date, r-tree, etc
<li>Add missing rtree optimizer selectivity
</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