diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out
index 9cc5936fda0d3ccde4cb0922c9f58e2721cb4ea8..d7ad2b6c2af62bbf95d0e695e26768aeeb7bd172 100644
--- a/src/test/regress/expected/alter_table.out
+++ b/src/test/regress/expected/alter_table.out
@@ -13,8 +13,7 @@ ALTER TABLE tmp ADD COLUMN g polygon;
 ALTER TABLE tmp ADD COLUMN h abstime;
 ALTER TABLE tmp ADD COLUMN i char;
 ALTER TABLE tmp ADD COLUMN j abstime[];
-ALTER TABLE tmp ADD COLUMN k dt;
-ERROR:  Unable to locate type name 'dt' in catalog
+ALTER TABLE tmp ADD COLUMN k int4;
 ALTER TABLE tmp ADD COLUMN l tid;
 ALTER TABLE tmp ADD COLUMN m xid;
 ALTER TABLE tmp ADD COLUMN n oidvector;
@@ -34,15 +33,15 @@ INSERT INTO tmp (a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, s, t, u,
 	v, w, x, y, z)
    VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)', 
         'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}', 
-	314159, '(1,1)', 512,
+	314159, '(1,1)', '512',
 	'1 2 3 4 5 6 7 8', 'magnetic disk', '(1.1,1.1)', '(4.1,4.1,3.1,3.1)',
-	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["current" "infinity"]',
-	'1/3', '1,name', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
-ERROR:  Relation 'tmp' does not have attribute 'k'
+	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["epoch" "infinity"]',
+	'epoch', '01:00:10', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
 SELECT * FROM tmp;
- initial | a | b | c | d | e | f | g | h | i | j | l | m | n | p | q | r | s | t | u | v | w | x | y | z 
----------+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---
-(0 rows)
+ initial | a |  b   |  c   |  d  |  e  | f |           g           |              h               | i |                                               j                                                |   k    |   l   |  m  |        n        |       p       |     q     |           r           |              s              |          t          |                      u                      |            v             |        w         |     x     |     y     |     z     
+---------+---+------+------+-----+-----+---+-----------------------+------------------------------+---+------------------------------------------------------------------------------------------------+--------+-------+-----+-----------------+---------------+-----------+-----------------------+-----------------------------+---------------------+---------------------------------------------+--------------------------+------------------+-----------+-----------+-----------
+         | 4 | name | text | 4.1 | 4.1 | 2 | ((4.1,4.1),(3.1,3.1)) | Mon May 01 00:30:30 1995 PDT | c | {"Mon May 01 00:30:30 1995 PDT","Mon Aug 24 14:43:07 1992 PDT","Wed Dec 31 16:00:00 1969 PST"} | 314159 | (1,1) | 512 | 1 2 3 4 5 6 7 8 | magnetic disk | (1.1,1.1) | [(4.1,4.1),(3.1,3.1)] | ((0,2),(4.1,4.1),(3.1,3.1)) | (4.1,4.1),(3.1,3.1) | ["Wed Dec 31 16:00:00 1969 PST" "infinity"] | Thu Jan 01 00:00:00 1970 | @ 1 hour 10 secs | {1,2,3,4} | {1,2,3,4} | {1,2,3,4}
+(1 row)
 
 DROP TABLE tmp;
 -- the wolf bug - schema mods caused inconsistent row descriptors 
@@ -59,8 +58,7 @@ ALTER TABLE tmp ADD COLUMN g polygon;
 ALTER TABLE tmp ADD COLUMN h abstime;
 ALTER TABLE tmp ADD COLUMN i char;
 ALTER TABLE tmp ADD COLUMN j abstime[];
-ALTER TABLE tmp ADD COLUMN k dt;
-ERROR:  Unable to locate type name 'dt' in catalog
+ALTER TABLE tmp ADD COLUMN k int4;
 ALTER TABLE tmp ADD COLUMN l tid;
 ALTER TABLE tmp ADD COLUMN m xid;
 ALTER TABLE tmp ADD COLUMN n oidvector;
@@ -79,16 +77,16 @@ ALTER TABLE tmp ADD COLUMN z int2[];
 INSERT INTO tmp (a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, s, t, u,
 	v, w, x, y, z)
    VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)', 
-	'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}',
-	 314159, '(1,1)', 512,
+        'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}', 
+	314159, '(1,1)', '512',
 	'1 2 3 4 5 6 7 8', 'magnetic disk', '(1.1,1.1)', '(4.1,4.1,3.1,3.1)',
-	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["current" "infinity"]',
-	'1/3', '1,name', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
-ERROR:  Relation 'tmp' does not have attribute 'k'
+	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["epoch" "infinity"]',
+	'epoch', '01:00:10', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
 SELECT * FROM tmp;
- initial | a | b | c | d | e | f | g | h | i | j | l | m | n | p | q | r | s | t | u | v | w | x | y | z 
----------+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---
-(0 rows)
+ initial | a |  b   |  c   |  d  |  e  | f |           g           |              h               | i |                                               j                                                |   k    |   l   |  m  |        n        |       p       |     q     |           r           |              s              |          t          |                      u                      |            v             |        w         |     x     |     y     |     z     
+---------+---+------+------+-----+-----+---+-----------------------+------------------------------+---+------------------------------------------------------------------------------------------------+--------+-------+-----+-----------------+---------------+-----------+-----------------------+-----------------------------+---------------------+---------------------------------------------+--------------------------+------------------+-----------+-----------+-----------
+         | 4 | name | text | 4.1 | 4.1 | 2 | ((4.1,4.1),(3.1,3.1)) | Mon May 01 00:30:30 1995 PDT | c | {"Mon May 01 00:30:30 1995 PDT","Mon Aug 24 14:43:07 1992 PDT","Wed Dec 31 16:00:00 1969 PST"} | 314159 | (1,1) | 512 | 1 2 3 4 5 6 7 8 | magnetic disk | (1.1,1.1) | [(4.1,4.1),(3.1,3.1)] | ((0,2),(4.1,4.1),(3.1,3.1)) | (4.1,4.1),(3.1,3.1) | ["Wed Dec 31 16:00:00 1969 PST" "infinity"] | Thu Jan 01 00:00:00 1970 | @ 1 hour 10 secs | {1,2,3,4} | {1,2,3,4} | {1,2,3,4}
+(1 row)
 
 DROP TABLE tmp;
 --
diff --git a/src/test/regress/sql/alter_table.sql b/src/test/regress/sql/alter_table.sql
index 48d0bcc55dbbab7802aae860fbb4b32287e72876..5602bacc7f908fb4ae7f883e34a11b236fed6fcb 100644
--- a/src/test/regress/sql/alter_table.sql
+++ b/src/test/regress/sql/alter_table.sql
@@ -25,7 +25,7 @@ ALTER TABLE tmp ADD COLUMN i char;
 
 ALTER TABLE tmp ADD COLUMN j abstime[];
 
-ALTER TABLE tmp ADD COLUMN k dt;
+ALTER TABLE tmp ADD COLUMN k int4;
 
 ALTER TABLE tmp ADD COLUMN l tid;
 
@@ -60,10 +60,10 @@ INSERT INTO tmp (a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, s, t, u,
 	v, w, x, y, z)
    VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)', 
         'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}', 
-	314159, '(1,1)', 512,
+	314159, '(1,1)', '512',
 	'1 2 3 4 5 6 7 8', 'magnetic disk', '(1.1,1.1)', '(4.1,4.1,3.1,3.1)',
-	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["current" "infinity"]',
-	'1/3', '1,name', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
+	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["epoch" "infinity"]',
+	'epoch', '01:00:10', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
 
 SELECT * FROM tmp;
 
@@ -94,7 +94,7 @@ ALTER TABLE tmp ADD COLUMN i char;
 
 ALTER TABLE tmp ADD COLUMN j abstime[];
 
-ALTER TABLE tmp ADD COLUMN k dt;
+ALTER TABLE tmp ADD COLUMN k int4;
 
 ALTER TABLE tmp ADD COLUMN l tid;
 
@@ -128,11 +128,11 @@ ALTER TABLE tmp ADD COLUMN z int2[];
 INSERT INTO tmp (a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, s, t, u,
 	v, w, x, y, z)
    VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)', 
-	'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}',
-	 314159, '(1,1)', 512,
+        'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}', 
+	314159, '(1,1)', '512',
 	'1 2 3 4 5 6 7 8', 'magnetic disk', '(1.1,1.1)', '(4.1,4.1,3.1,3.1)',
-	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["current" "infinity"]',
-	'1/3', '1,name', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
+	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["epoch" "infinity"]',
+	'epoch', '01:00:10', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
 
 SELECT * FROM tmp;