From 16843ba33c54178d15d5b66fed8d3170273cb61c Mon Sep 17 00:00:00 2001 From: Bruce Momjian <bruce@momjian.us> Date: Sat, 17 Dec 2005 17:04:41 +0000 Subject: [PATCH] Add mention of possible patent problems with star joins, per Joshua Drake: < and merge the bitmaps to perform the join on the fact table. > and merge the bitmaps to perform the join on the fact table. Some > of these algorithms might be patented. --- doc/TODO | 5 +++-- doc/src/FAQ/TODO.html | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/doc/TODO b/doc/TODO index 1b9b4f83de0..82d20f03557 100644 --- a/doc/TODO +++ b/doc/TODO @@ -2,7 +2,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Sat Dec 17 11:43:02 EST 2005 +Last updated: Sat Dec 17 12:03:45 EST 2005 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -1036,7 +1036,8 @@ Optimizer / Executor usually performed by either creating a cartesian product of all the dimmension tables and doing a single join on that product or using subselects to create bitmaps of each dimmension table match - and merge the bitmaps to perform the join on the fact table. + and merge the bitmaps to perform the join on the fact table. Some + of these algorithms might be patented. Miscellaneous Performance diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index ef8a024fb11..399b8250f5b 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,7 +8,7 @@ <body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF"> <h1><a name="section_1">PostgreSQL TODO List</a></h1> <p>Current maintainer: Bruce Momjian (<a href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/> -Last updated: Sat Dec 17 11:43:02 EST 2005 +Last updated: Sat Dec 17 12:03:45 EST 2005 </p> <p>The most recent version of this document can be viewed at<br/> <a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>. @@ -940,7 +940,8 @@ first. usually performed by either creating a cartesian product of all the dimmension tables and doing a single join on that product or using subselects to create bitmaps of each dimmension table match - and merge the bitmaps to perform the join on the fact table. + and merge the bitmaps to perform the join on the fact table. Some + of these algorithms might be patented. </p> </li></ul> <h1><a name="section_21">Miscellaneous Performance</a></h1> -- GitLab