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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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doc/TODO

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PostgreSQL TODO List
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====================
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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Last updated: Fri May 27 18:01:15 EDT 2005
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Last updated: Fri May 27 18:07:21 EDT 2005
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The most recent version of this document can be viewed at
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http://www.postgresql.org/docs/faqs.TODO.html.
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several hash buckets could be stored on a single page and greater
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granularity used for the hash algorithm.
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* Consider sorting hash buckets so entries can be found using a binary
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search, rather than a linear scan
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* In hash indexes, consider storing the hash value with or instead
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of the key itself
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* Allow accurate statistics to be collected on indexes with more than
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one column or expression indexes, perhaps using per-index statistics
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* Add fillfactor to control reserved free space during index creation

doc/src/FAQ/TODO.html

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<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
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<h1><a name="section_1">PostgreSQL TODO List</a></h1>
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<p>Current maintainer: Bruce Momjian (<a href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
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Last updated: Fri May 27 18:01:15 EDT 2005
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Last updated: Fri May 27 18:07:21 EDT 2005
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</p>
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<p>The most recent version of this document can be viewed at<br/>
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<a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
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several hash buckets could be stored on a single page and greater
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granularity used for the hash algorithm.
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</p>
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</li><li>Consider sorting hash buckets so entries can be found using a binary
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search, rather than a linear scan
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</li><li>In hash indexes, consider storing the hash value with or instead
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of the key itself
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</li><li>Allow accurate statistics to be collected on indexes with more than
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one column or expression indexes, perhaps using per-index statistics
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</li><li>Add fillfactor to control reserved free space during index creation

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