DROP PROCEDURE IF EXISTS insert_many_rows; 

delimiter // 

CREATE PROCEDURE insert_many_rows (IN loops INT) 
BEGIN 
   DECLARE v1 INT; 
   SET v1=loops; 
   WHILE v1 > 0 DO 
     INSERT INTO test_table values(NULL,0, 
               'qqqqqqqqqqwwwwwwwwwweeeeeeeeeerrrrrrrrrrtttttttttt', 
               'qqqqqqqqqqwwwwwwwwwweeeeeeeeeerrrrrrrrrrtttttttttt'); 
     SET v1 = v1 - 1; 
   END WHILE;
END; 
// 

delimiter ;
