diff --git a/src/backend/parser/parse_expr.c b/src/backend/parser/parse_expr.c
index 3da003fd09..9f0a501dc5 100644
--- a/src/backend/parser/parse_expr.c
+++ b/src/backend/parser/parse_expr.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/parser/parse_expr.c,v 1.213 2007/03/17 00:11:04 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/parser/parse_expr.c,v 1.214 2007/03/17 01:15:55 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1958,7 +1958,7 @@ exprTypmod(Node *expr)
 				 * typmod, else use -1
 				 */
 				ArrayExpr  *arrayexpr = (ArrayExpr *) expr;
-				Oid			arraytype = arrayexpr->array_typeid;
+				Oid			commontype;
 				int32		typmod;
 				ListCell   *elem;
 
@@ -1967,11 +1967,15 @@ exprTypmod(Node *expr)
 				typmod = exprTypmod((Node *) linitial(arrayexpr->elements));
 				if (typmod < 0)
 					return -1;	/* no point in trying harder */
+				if (arrayexpr->multidims)
+					commontype = arrayexpr->array_typeid;
+				else
+					commontype = arrayexpr->element_typeid;
 				foreach(elem, arrayexpr->elements)
 				{
 					Node	   *e = (Node *) lfirst(elem);
 
-					if (exprType(e) != arraytype)
+					if (exprType(e) != commontype)
 						return -1;
 					if (exprTypmod(e) != typmod)
 						return -1;
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b1294b6d32..d97cfee375 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.254 2007/03/17 00:11:05 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.255 2007/03/17 01:15:55 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -4427,8 +4427,11 @@ get_const_expr(Const *constval, deparse_context *context, bool showtype)
 			needlabel = false;
 			break;
 		case NUMERICOID:
-			/* Float-looking constants will be typed as numeric */
-			needlabel = !isfloat;
+			/*
+			 * Float-looking constants will be typed as numeric, but if
+			 * there's a specific typmod we need to show it.
+			 */
+			needlabel = !isfloat || (constval->consttypmod >= 0);
 			break;
 		default:
 			needlabel = true;