PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated: Sat Apr 23 17:41:00 EDT 2005
+Last updated: Sat Apr 23 17:43:18 EDT 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
====================
* Add missing optimizer selectivities for date, r-tree, etc
-* Allow ORDER BY ... LIMIT 1 to select high/low value without sort or
- index using a sequential scan for highest/lowest values
-
- If only one value is needed, there is no need to sort the entire
- table. Instead a sequential scan could get the matching value.
-
* Precompile SQL functions to avoid overhead
* Create utility to compute accurate random_page_cost value
* Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
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<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: Sat Apr 23 17:41:00 EDT 2005
+Last updated: Sat Apr 23 17:43:18 EDT 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>.
<ul>
<li>Add missing optimizer selectivities for date, r-tree, etc
- </li><li>Allow ORDER BY ... LIMIT 1 to select high/low value without sort or
- index using a sequential scan for highest/lowest values
-<p> If only one value is needed, there is no need to sort the entire
- table. Instead a sequential scan could get the matching value.
-</p>
</li><li>Precompile SQL functions to avoid overhead
</li><li>Create utility to compute accurate random_page_cost value
</li><li>Improve ability to display optimizer analysis using OPTIMIZER_DEBUG