Submitted by: Montri Patchaiyo (k1)

Duplicates CORE4403

Add to support implicit cursor using like Oracle
for example:
FOR X IN (
SELECT statement
) DO
BEGIN
IF (X.F1 > 0) THEN
INSERT INTO TABLE2 (
F1, F2, F3
) VALUES (
X.F1, X.F2, X.F3);
END

It's good to be reduced a many declaration of local variable.
For example:
AS
DECLARE VARIABLE V1 INTEGER;
DECLARE VARIABLE V2 INTEGER;
DECLARE VARIABLE V3 INTEGER;
...
DECLARE VARIABLE Vn INTEGER;
BEGIN
FOR
SELECT
F1, F2, F3, ..., Fn
FROM
TABLEX
INTO
V1, V2, V3, ..., Vn
DO
...
END