diff options
| -rw-r--r-- | doc/TODO | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -1,6 +1,6 @@ TODO list for PostgreSQL ======================== -Last updated: Thu Aug 8 19:50:27 EDT 2002 +Last updated: Tue Aug 13 00:32:10 EDT 2002 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -159,7 +159,8 @@ Indexes * Be smarter about insertion of already-ordered data into btree index * -Add deleted bit to index tuples to reduce heap access * Prevent index uniqueness checks when UPDATE does not modifying column -* Add bitmap indexes [performance] +* Use bitmaps to fetch heap pages in sequential order [performance] +* Use bitmaps to combine existing indexes [performance] * Improve handling of index scans for NULL * Allow SELECT * FROM tab WHERE int2col = 4 to use int2col index, int8, float4, numeric/decimal too [optimizer] |