-- 大表資料遷移,每天凌晨1 點執行,執行間隔時間10分鐘,遷移舊資料到歷史表。
DELIMITER $$ USE `dbx`$$ DROP PROCEDURE IF EXISTS `pro_xx`$$ CREATE PROCEDURE `pro_xx`() BEGIN DECLARE p_oalid INT DEFAULT 0; DECLARE STOP INT DEFAULT 0; DECLARE cur_oalid CURSOR FOR SELECToal.id FROM oal_xxx oal WHERE oal.`ymd` <CONCAT(YEAR(DATE_ADD(NOW(),INTERVAL -1 MONTH)),'-',MONTH(DATE_ADD(NOW(),INTERVAL -1 MONTH )),'-', DAY(DATE_ADD(NOW(),INTERVAL-1 MONTH ))) LIMIT 1000; DECLARE EXIT HANDLER FOR SQLSTATE '02000' /**包含游标not found*/ BEGIN SET STOP=1; INSERTINTO db_logs(log_type,table_name,action_name,log_msg,create_time) SELECT1, 'oal_xxx','pro_oal_log_move',CONCAT('primary key:',p_oalid,' 游标执行正常结束!'),NOW(); END; DECLARE EXIT HANDLER FOR SQLEXCEPTION BEGIN SETSTOP=1; INSERTINTO db_logs(log_type,table_name,action_name,log_msg,create_time) SELECT2, 'oal_xxx','pro_oal_log_move',CONCAT('primary key:',p_oalid,' 移动执行失败'),NOW(); END; OPEN cur_oalid;
FETCH cur_oalid INTO p_oalid;
WHILE STOP <> 1 DO -- select p_id; START TRANSACTION;
REPLACE INTO oal_xxx_history SELECT oal.*FROM oal_xxx oal WHERE oal.id=p_oalid ;
DELETE FROM oal_xxx WHERE id=p_oalid;
-- INSERT INTO t (tid) VALUES (p_tid);
COMMIT;