- Made sure Informix style decimal vars are initialized. They use a

fixed amount of digits and not an allocated one. So we have to work
  around. PostgreSQL numeric type remains the same.
- In INFORMIX_SE mode with autcommit set, make all cursors be "with
  hold". Is this really they way SE behaves?

src/interfaces/ecpg/test/num_test.pgc

@@ -8,7 +8,7 @@ main()
 	char *text="error\n";
 	Numeric *value1, *value2, *res;
 	exec sql begin declare section;
-		decimal(14,7) des = {0, 0, 0, 0, 0, NULL, NULL} ;
+		numeric(14,7) des = {0, 0, 0, 0, 0, NULL, NULL} ;
 	exec sql end declare section;
 	double d;
 	FILE *dbgs;

src/interfaces/ecpg/test/test_informix.pgc

@@ -5,7 +5,7 @@ void openit(void);
 int main()
 {
 	$int i = 14; 
-	$int j;
+	$decimal j;
 	FILE *dbgs;
 
 	if ((dbgs = fopen("log", "w")) != NULL)
@@ -15,24 +15,30 @@ int main()
 
 	$create table test(i int primary key, j int);
 
-	rsetnull(CINTTYPE, (char *)&j);
+	rsetnull(CDECIMALTYPE, (char *)&j);
 	$insert into test (i, j) values (7, :j);
 	$insert into test (i, j) values (:i, 1);
 
 	$declare c cursor for select * from test where i <= :i;
 	openit();
 
-	j=0;
+	deccvint(0, &j);
+	
 	while (1)
 	{
 		$fetch in c into :i, :j;
 		if (sqlca.sqlcode == 100) break;
 		else if (sqlca.sqlcode != 0) printf ("Error: %ld\n", sqlca.sqlcode);
 
-		if (risnull(CINTTYPE, (char *)&j))
+		if (risnull(CDECIMALTYPE, (char *)&j))
 			printf("%d\n", i);
 		else
-			printf("%d %d\n", i, j);
+		{
+			int a;
+			
+			dectoint(&j, &a);
+			printf("%d %d\n", i, a);
+		}
 	}
 
 	$delete from test where i=87;