Update based on user comments:

bmomjian · bmomjian · commit cad7f831e1e6 · 2005-08-26T19:32:43.000Z
&lt;   in PL/PgSQL is to use EXECUTE.
&gt;   in PL/PgSQL is to use EXECUTE.  One complexity is that a function
&gt;   might itself drop and recreate dependent tables, causing it to
&gt;   invalidate its own query plan.
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:		Fri Aug 26 15:10:29 EDT 2005
+Last updated:		Fri Aug 26 15:32:39 EDT 2005
 
 The most recent version of this document can be viewed at
 http://www.postgresql.org/docs/faqs.TODO.html.
@@ -621,7 +621,9 @@ Dependency Checking
 
   This is particularly important for references to temporary tables
   in PL/PgSQL because PL/PgSQL caches query plans.  The only workaround
-  in PL/PgSQL is to use EXECUTE.
+  in PL/PgSQL is to use EXECUTE.  One complexity is that a function
+  might itself drop and recreate dependent tables, causing it to
+  invalidate its own query plan.
 
 
 Exotic Features
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:           Fri Aug 26 15:10:29 EDT 2005
+Last updated:           Fri Aug 26 15:32:39 EDT 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>.
@@ -563,7 +563,9 @@ <h1><a name="section_11">Dependency Checking</a></h1>
   </li><li>Track dependencies in function bodies and recompile/invalidate
 <p>  This is particularly important for references to temporary tables
   in PL/PgSQL because PL/PgSQL caches query plans.  The only workaround
-  in PL/PgSQL is to use EXECUTE.
+  in PL/PgSQL is to use EXECUTE.  One complexity is that a function
+  might itself drop and recreate dependent tables, causing it to
+  invalidate its own query plan.
 </p>
 </li></ul>
 <h1><a name="section_12">Exotic Features</a></h1>
