diff --git a/doc/TODO b/doc/TODO index 7d0055a1ee..6217836d88 100644 --- a/doc/TODO +++ b/doc/TODO @@ -2,7 +2,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Mon Sep 19 22:21:26 EDT 2005 +Last updated: Tue Sep 20 16:51:26 EDT 2005 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -939,11 +939,11 @@ Optimizer / Executor * Have EXPLAIN ANALYZE highlight poor optimizer estimates * Consider using hash buckets to do DISTINCT, rather than sorting - This would be beneficial when there are few distinct values. + This would be beneficial when there are few distinct values. This is + already used by GROUP BY. * Log queries where the optimizer row estimates were dramatically different from the number of rows actually found? -* Allow DISTINCT to use hashing like GROUP BY Miscellaneous Performance diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index a1ffb6bb94..a34a1c8910 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,7 +8,7 @@

PostgreSQL TODO List

Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated: Mon Sep 19 22:21:26 EDT 2005 +Last updated: Tue Sep 20 16:51:26 EDT 2005

The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. @@ -851,11 +851,11 @@ first.

  • Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
  • Have EXPLAIN ANALYZE highlight poor optimizer estimates
  • Consider using hash buckets to do DISTINCT, rather than sorting -

    This would be beneficial when there are few distinct values. +

    This would be beneficial when there are few distinct values. This is + already used by GROUP BY.

  • Log queries where the optimizer row estimates were dramatically different from the number of rows actually found? -
  • Allow DISTINCT to use hashing like GROUP BY

    • Miscellaneous Performance