Add mention of possible patent problems with star joins, per Joshua

bmomjian · bmomjian · commit 16843ba33c54 · 2005-12-17T17:04:41.000Z
Drake:

&lt;   and merge the bitmaps to perform the join on the fact table.
&gt;   and merge the bitmaps to perform the join on the fact table.  Some
&gt;   of these algorithms might be patented.
diff --git 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
@@ -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 @@ <h1><a name="section_20">Optimizer / Executor</a></h1>
   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>
