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> * Improve how ANALYZE computes in-doubt tuples
>
>   http://archives.postgresql.org/pgsql-hackers/2007-11/msg00771.php
>
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Bruce Momjian
2008-04-03 16:37:07 +00:00
parent 51e1445f10
commit d3bf8c7097
2 changed files with 9 additions and 2 deletions
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@ -1,7 +1,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (bruce@momjian.us)
Last updated: Wed Apr 2 21:55:58 EDT 2008
Last updated: Thu Apr 3 12:36:59 EDT 2008
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -1620,6 +1620,10 @@ Optimizer / Executor
* Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
* Have EXPLAIN ANALYZE issue NOTICE messages when the estimated and
actual row counts differ by a specified percentage
* Improve how ANALYZE computes in-doubt tuples
http://archives.postgresql.org/pgsql-hackers/2007-11/msg00771.php
* Consider using hash buckets to do DISTINCT, rather than sorting
This would be beneficial when there are few distinct values. This is