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Done: 

> * -Allow use of indexes to search for NULLs
This commit is contained in:
Bruce Momjian 2007-04-07 03:08:20 +00:00
parent d6e3bb63cb
commit 9af03980cf
2 changed files with 4 additions and 9 deletions
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doc/TODO
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@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (bruce@momjian.us)
Last updated: Fri Apr 6 22:48:08 EDT 2007
Last updated: Fri Apr 6 23:07:52 EDT 2007
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -1008,10 +1008,7 @@ Indexes
http://archives.postgresql.org/pgsql-patches/2005-07/msg00512.php
http://archives.postgresql.org/pgsql-hackers/2006-12/msg01107.php
* Allow use of indexes to search for NULLs
One solution is to create a partial index on an IS NULL expression.
* -Allow use of indexes to search for NULLs
* Allow accurate statistics to be collected on indexes with more than
one column or expression indexes, perhaps using per-index statistics

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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:bruce@momjian.us">bruce@momjian.us</a>)<br/>
Last updated: Fri Apr 6 22:48:08 EDT 2007
Last updated: Fri Apr 6 23:07:52 EDT 2007
</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>.
@ -896,9 +896,7 @@ first. There is also a developer's wiki at<br/>
<p> <a href="http://archives.postgresql.org/pgsql-patches/2005-07/msg00512.php">http://archives.postgresql.org/pgsql-patches/2005-07/msg00512.php</a>
<a href="http://archives.postgresql.org/pgsql-hackers/2006-12/msg01107.php">http://archives.postgresql.org/pgsql-hackers/2006-12/msg01107.php</a>
</p>
</li><li>Allow use of indexes to search for NULLs
<p> One solution is to create a partial index on an IS NULL expression.
</p>
</li><li>-<em>Allow use of indexes to search for NULLs</em>
</li><li>Allow accurate statistics to be collected on indexes with more than
one column or expression indexes, perhaps using per-index statistics
<p> <a href="http://archives.postgresql.org/pgsql-performance/2006-10/msg00222.php">http://archives.postgresql.org/pgsql-performance/2006-10/msg00222.php</a>