Regression Failure: CURRENT SOURCES/union&join

Here ya go:
test union ... FAILED
test case ... ok
test join ... FAILED

*** ./expected/union.out Thu Oct 9 20:49:31 2003
--- ./results/union.out Fri Oct 31 15:15:50 2003
***************
*** 106,112 ****
two
-----
1.1
! 2
(2 rows)

SELECT 1.1 AS three UNION SELECT 2 UNION ALL SELECT 2;
--- 106,112 ----
two
-----
1.1
! 2.0
(2 rows)

SELECT 1.1 AS three UNION SELECT 2 UNION ALL SELECT 2;

======================================================================

*** ./expected/join.out Thu Oct 9 20:49:31 2003
--- ./results/join.out Fri Oct 31 15:15:51 2003
***************
*** 1732,1739 ****
| 6 | 6 | six |
| 7 | 7 | seven |
| 8 | 8 | eight |
- | | | null |
| | 0 | zero |
(13 rows)

SELECT '' AS "xxx", *
--- 1732,1739 ----
| 6 | 6 | six |
| 7 | 7 | seven |
| 8 | 8 | eight |
| | 0 | zero |
+ | | | null |
(13 rows)

SELECT '' AS "xxx", *
***************
*** 1752,1759 ****
| 6 | 6 | six |
| 7 | 7 | seven |
| 8 | 8 | eight |
- | | | null |
| | 0 | zero |
(13 rows)

SELECT '' AS "xxx", *
--- 1752,1759 ----
| 6 | 6 | six |
| 7 | 7 | seven |
| 8 | 8 | eight |
| | 0 | zero |
+ | | | null |
(13 rows)

SELECT '' AS "xxx", *
***************
*** 1793,1800 ****
-----+---+---+-------+----
| 0 | | zero |
| 1 | 4 | one | -1
- | 2 | 3 | two | 2
| 2 | 3 | two | 4
| 3 | 2 | three | -3
| 4 | 1 | four |
| 5 | 0 | five | -5
--- 1793,1800 ----
-----+---+---+-------+----
| 0 | | zero |
| 1 | 4 | one | -1
| 2 | 3 | two | 4
+ | 2 | 3 | two | 2
| 3 | 2 | three | -3
| 4 | 1 | four |
| 5 | 0 | five | -5
***************
*** 1815,1822 ****
-----+---+---+-------+----
| 0 | | zero |
| 1 | 4 | one | -1
- | 2 | 3 | two | 2
| 2 | 3 | two | 4
| 3 | 2 | three | -3
| 4 | 1 | four |
| 5 | 0 | five | -5
--- 1815,1822 ----
-----+---+---+-------+----
| 0 | | zero |
| 1 | 4 | one | -1
| 2 | 3 | two | 4
+ | 2 | 3 | two | 2
| 3 | 2 | three | -3
| 4 | 1 | four |
| 5 | 0 | five | -5

======================================================================

--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 972-414-9812 E-Mail: ler(at)lerctr(dot)org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749