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> * Consider sorting hash buckets so entries can be found using a binary
>   search, rather than a linear scan
> * In hash indexes, consider storing the hash value with or instead
>   of the key itself
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Bruce Momjian
2005-05-27 22:07:26 +00:00
parent 770156e157
commit 42319310dc
2 changed files with 10 additions and 2 deletions
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doc/src/FAQ/TODO.html
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@ -8,7 +8,7 @@
<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: Fri May 27 18:01:15 EDT 2005
Last updated: Fri May 27 18:07:21 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>.
@ -324,6 +324,10 @@ first.
several hash buckets could be stored on a single page and greater
granularity used for the hash algorithm.
</p>
</li><li>Consider sorting hash buckets so entries can be found using a binary
search, rather than a linear scan
</li><li>In hash indexes, consider storing the hash value with or instead
of the key itself
</li><li>Allow accurate statistics to be collected on indexes with more than
one column or expression indexes, perhaps using per-index statistics
</li><li>Add fillfactor to control reserved free space during index creation