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Postgres FD Implementation
Commit b9be2b25 authored by Bruce Momjian's avatar Bruce Momjian
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> * Allow ORDER BY ... LIMIT to select top values without sort or index
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doc/TODO
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TODO list for PostgreSQL TODO list for PostgreSQL
======================== ========================
Last updated: Sat Jan 26 18:08:43 EST 2002 Last updated: Sat Jan 26 23:20:24 EST 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
...@@ -432,6 +432,7 @@ OPTIMIZER/EXECUTOR ...@@ -432,6 +432,7 @@ OPTIMIZER/EXECUTOR
* Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce) * Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
* 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]
* Allow ORDER BY ... LIMIT to select top values without sort or index
MISCELLANEOUS MISCELLANEOUS
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