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| -rw-r--r-- | doc/TODO | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -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 <henry@zoo.utoronto.ca> 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 ----------- |