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>   http://archives.postgresql.org/pgsql-patches/2005-07/msg00512.php
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Bruce Momjian 2006-06-12 16:15:07 +00:00
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PostgreSQL TODO List PostgreSQL TODO List
==================== ====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Sat Jun 10 19:33:17 EDT 2006 Last updated: Mon Jun 12 12:14:51 EDT 2006
The most recent version of this document can be viewed at The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. http://www.postgresql.org/docs/faqs.TODO.html.
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Such indexes could be more compact if there are only a few distinct values. Such indexes could be more compact if there are only a few distinct values.
Such indexes can also be compressed. Keeping such indexes updated can be Such indexes can also be compressed. Keeping such indexes updated can be
costly. costly.
http://archives.postgresql.org/pgsql-patches/2005-07/msg00512.php
* Allow use of indexes to search for NULLs * Allow use of indexes to search for NULLs

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<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF"> <body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<h1><a name="section_1">PostgreSQL TODO List</a></h1> <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/> <p>Current maintainer: Bruce Momjian (<a href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
Last updated: Sat Jun 10 19:33:17 EDT 2006 Last updated: Mon Jun 12 12:14:51 EDT 2006
</p> </p>
<p>The most recent version of this document can be viewed at<br/> <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>. <a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
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<p> Such indexes could be more compact if there are only a few distinct values. <p> Such indexes could be more compact if there are only a few distinct values.
Such indexes can also be compressed. Keeping such indexes updated can be Such indexes can also be compressed. Keeping such indexes updated can be
costly. costly.
<a href="http://archives.postgresql.org/pgsql-patches/2005-07/msg00512.php">http://archives.postgresql.org/pgsql-patches/2005-07/msg00512.php</a>
</p> </p>
</li><li>Allow use of indexes to search for NULLs </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> One solution is to create a partial index on an IS NULL expression.