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> * -Add hash for evaluating GROUP BY aggregates (Tom)
WIN32_DEV
Bruce Momjian 23 years ago
parent 6c1d4662af
commit 1c6adf0f67
1 changed files with 2 additions and 2 deletions
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@ -1,6 +1,6 @@
TODO list for PostgreSQL TODO list for PostgreSQL
======================== ========================
Last updated: Tue Nov 19 15:35:02 EST 2002 Last updated: Wed Nov 20 20:02:29 EST 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -374,7 +374,7 @@ Optimizer / Executor
* Improve Subplan list handling * Improve Subplan list handling
* Allow Subplans to use efficient joins(hash, merge) with upper variable * Allow Subplans to use efficient joins(hash, merge) with upper variable
* Add hash for evaluating GROUP BY aggregates (Tom) * -Add hash for evaluating GROUP BY aggregates (Tom)
* Allow merge and hash joins on expressions not just simple variables (Tom) * Allow merge and hash joins on expressions not just simple variables (Tom)
* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists] * Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
* Missing optimizer selectivities for date, r-tree, etc. [optimizer] * Missing optimizer selectivities for date, r-tree, etc. [optimizer]

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