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Clarify working in 'top x items using sequential scan' item

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Bruce Momjian 2002-02-12 22:24:36 +00:00
parent 9832a235c5
commit fa8a73caad
1 changed files with 2 additions and 1 deletions
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@ -1,6 +1,6 @@
TODO list for PostgreSQL
========================
Last updated: Mon Feb 11 13:14:25 EST 2002
Last updated: Tue Feb 12 17:24:00 EST 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -409,6 +409,7 @@ OPTIMIZER / EXECUTOR
* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
* Allow ORDER BY ... LIMIT to select top values without sort or index
using a sequential scan for highest/lowest values
MISCELLANEOUS