From 960f545041bc3c6a7536d4ee8328c087c52616b3 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Tue, 9 Nov 2004 15:11:11 +0000 Subject: [PATCH] Update bitmap index description: < Such indexes could be more compact if there are only a few unique values. > Such indexes could be more compact if there are only a few distinct values. > Such indexes can also be compressed. Keeping such indexes updated can be > costly. --- doc/TODO | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/doc/TODO b/doc/TODO index f796df0fa3..96e88d7f42 100644 --- a/doc/TODO +++ b/doc/TODO @@ -6,7 +6,7 @@ TODO list for PostgreSQL Bracketed items "[]" have more detail. Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Mon Nov 8 23:13:58 EST 2004 +Last updated: Tue Nov 9 10:10:57 EST 2004 The most recent version of this document can be viewed at the PostgreSQL web site, http://www.PostgreSQL.org. @@ -261,7 +261,9 @@ Indexes * Allow the creation of on-disk bitmap indexes which can be quickly combined with other bitmap indexes - Such indexes could be more compact if there are only a few unique values. + Such indexes could be more compact if there are only a few distinct values. + Such indexes can also be compressed. Keeping such indexes updated can be + costly. * Allow use of indexes to search for NULLs