MySql存储过程

DROP PROCEDURE IF EXISTS saveorupdate_sub_key_proc;
CREATE PROCEDURE saveorupdate_sub_key_proc(
IN sub_id_arg int(4),
IN english_arg varchar(500),
IN hindi_arg  varchar(500),
IN marathi_arg  varchar(500),
IN tamil_arg varchar(500)
)
BEGIN
DECLARE count_sub_item INT(4);

    select count(*) into count_sub_item from subject_keywords where sub_id = sub_id_arg;
    if count_sub_item > 0 
    THEN update subject_keywords set english = english_arg,hindi = hindi_arg,marathi = marathi_arg,tamil = tamil_arg  where sub_id = sub_id_arg ;
    ELSE insert into subject_keywords(sub_id,english,hindi,marathi,tamil) values(sub_id_arg,english_arg,hindi_arg,marathi_arg,tamil_arg);
    end if;
    select count_sub_item;
END;


call saveorupdate_sub_key_proc(412,‘12‘,‘aa‘,‘cc‘,‘dd‘);