Update TODO list.

doc/TODO

@@ -1,6 +1,6 @@
 TODO list for PostgreSQL
 ========================
-Last updated:		Thu Jan 27 22:45:01 EST 2000
+Last updated:		Thu Jan 27 23:46:41 EST 2000
 
 Current maintainer:	Bruce Momjian (pgman@candle.pha.pa.us)
 
@@ -18,6 +18,7 @@ RELIABILITY
 
 RESOURCES
 
+* Disallow inherited columns with the same name as new columns
 * -Elog() does not free all its memory
 * -spinlock stuck problem when elog(FATAL) and elog(ERROR) inside bufmgr
 * -Recover or force failure when disk space is exhausted(Hiroshi)
@@ -74,7 +75,9 @@ MISC
 * -* Interlock to prevent DROP DATABASE on a database with running backendsInterlock to prevent DROP DATABASE on a database with running backends
 * Buffer reference counting bugfixes
 * Fix libpq bug that causes it to drop backend error message sent
-  just before connection closure (ie, any FATAL error message
+  just before connection closure (ie, any FATAL error message)
+* SELECT ... UNION ... ORDER BY fails when sort expr not in result list
+* SELECT ... UNION ... GROUP BY fails if column types disagree
 
 ENHANCEMENTS
 ------------
@@ -130,6 +133,7 @@ TYPES
 * -Make Absolutetime/Relativetime int4 because time_t can be int8 on some ports
 * Functions returning sets don't really work right[function]
 * -Make type equivalency apply to aggregates
+* Allow user to define char1 column
 
 VIEWS