MySql存储过程一例

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))BEGINDECLARE 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');