From e0764fdf285e9f2dca218eba5933d975548f5f58 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Sun, 20 Jan 2002 04:56:14 +0000 Subject: [PATCH] Add > * Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists] --- doc/TODO | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/doc/TODO b/doc/TODO index 51ae603203..7f53dfc75d 100644 --- a/doc/TODO +++ b/doc/TODO @@ -1,6 +1,6 @@ TODO list for PostgreSQL ======================== -Last updated: Fri Jan 18 15:46:23 EST 2002 +Last updated: Sat Jan 19 23:56:04 EST 2002 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -375,7 +375,7 @@ VACUUM MISCELLANEOUS * -Allow compression of log and meta data (Tom) -* Do async I/O to do better read-ahead of data +* Do async I/O for faster random read-ahead of data * Experiment with multi-threaded backend [thread] * Get faster regex() code from Henry Spencer when it is available @@ -408,6 +408,7 @@ MISCELLANEOUS evaluated only once or once per query * Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce) * Make locking of shared data structures more fine-grained +* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists] SOURCE CODE ----------- -- 2.40.0