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PostgreSQL TODO List
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====================
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Current maintainer: Bruce Momjian (bruce@momjian.us)
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- Last updated: Wed Apr 2 21:55:58 EDT 2008
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+ Last updated: Thu Apr 3 12:36:59 EDT 2008
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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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* Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
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* Have EXPLAIN ANALYZE issue NOTICE messages when the estimated and
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actual row counts differ by a specified percentage
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+ * Improve how ANALYZE computes in-doubt tuples
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+ http://archives.postgresql.org/pgsql-hackers/2007-11/msg00771.php
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* Consider using hash buckets to do DISTINCT, rather than sorting
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This would be beneficial when there are few distinct values. This is
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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:bruce@momjian.us "> bruce@momjian.us</ a > )< br />
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- Last updated: Wed Apr 2 21:55:58 EDT 2008
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+ Last updated: Thu Apr 3 12:36:59 EDT 2008
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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 > .
@@ -1398,6 +1398,9 @@ <h1><a name="section_19">Optimizer / Executor</a></h1>
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</ li > < li > Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
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</ li > < li > Have EXPLAIN ANALYZE issue NOTICE messages when the estimated and
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actual row counts differ by a specified percentage
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+ </ li > < li > Improve how ANALYZE computes in-doubt tuples
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+ < p > < a href ="http://archives.postgresql.org/pgsql-hackers/2007-11/msg00771.php "> http://archives.postgresql.org/pgsql-hackers/2007-11/msg00771.php</ a >
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+ </ p >
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</ li > < li > Consider using hash buckets to do DISTINCT, rather than sorting
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< p > This would be beneficial when there are few distinct values. This is
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already used by GROUP BY.
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