PostgreSQL TODO List
====================
-Last updated: Tue Dec 12 15:34:25 EST 2006
+Last updated: Tue Dec 12 17:31:12 EST 2006
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
* Precompile SQL functions to avoid overhead
* Create utility to compute accurate random_page_cost value
* Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
-* Have EXPLAIN ANALYZE highlight poor optimizer estimates
+* Have EXPLAIN ANALYZE issue NOTICE messages when the estimated and
+ actual row counts differ by a specified percentage
* Consider using hash buckets to do DISTINCT, rather than sorting
This would be beneficial when there are few distinct values. This is
-Last updated: Tue Dec 12 15:34:25 EST 2006
+Last updated: Tue Dec 12 17:31:12 EST 2006
The most recent version of this document can be viewed at
Precompile SQL functions to avoid overhead
Create utility to compute accurate random_page_cost value
Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
-
Have EXPLAIN ANALYZE highlight poor optimizer estimates
+
Have EXPLAIN ANALYZE issue NOTICE messages when the estimated and
+ actual row counts differ by a specified percentage
Consider using hash buckets to do DISTINCT, rather than sorting
This would be beneficial when there are few distinct values. This is
already used by GROUP BY.