From b6d8df67d346ff59cfa19bba7d7e42e6c2132cd6 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Tue, 13 Aug 2002 04:32:28 +0000 Subject: [PATCH] Update: > * Use bitmaps to fetch heap pages in sequential order [performance] > * Use bitmaps to combine existing indexes [performance] --- doc/TODO | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/doc/TODO b/doc/TODO index b068d64796..52b061ddfa 100644 --- a/doc/TODO +++ b/doc/TODO @@ -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] -- 2.40.0