19.2.10.5. ITERATE Statement
ITERATE label
ITERATE can appear only within
LOOP, REPEAT, and
WHILE statements.
ITERATE means “do the loop
again.”
Example:
CREATE PROCEDURE doiterate(p1 INT)
BEGIN
label1: LOOP
SET p1 = p1 + 1;
IF p1 < 10 THEN ITERATE label1; END IF;
LEAVE label1;
END LOOP label1;
SET @x = p1;
END