[Turn] Example mysql stored procedure

Original Address: https://blog.csdn.net/lishaojun0115/article/details/50183661

 1 begin
 2 #定义变量
 3 declare local_sender varchar(20);
 4 declare local_receiver varchar(20);
 5 declare local_status int;
 6 #创建游标
 7 declare local_message cursor for select patientid,doctorid from 
 8 tb_purchaseservice_relation where state=1 and createtime<date_sub(now(),interval 2 day );
 9 DECLARE CONTINUE HANDLER FOR NOT FOUND SET local_status=0;
10 set local_status=0;
11 #打开游标
12 open local_message;
13 set local_status=(select count(*) from tb_purchaseservice_relation where state=1 and createtime<date_sub(now(),interval 2 day ));
14 #while循环
15 while local_status>0 do
16 #给游标赋值
17 fetch local_message into local_sender,local_receiver;
18 if(local_status>0) then
19  insert into tb_messagecenter(typeid,sender,receiver,content,isLooked,title,isDeal,dealResult) 
20values (807, concat ( 's _', 807), local_sender, concat ( ' your purchase', local_receiver, 'service untreated, has expired'), 0, 'Buy service failure', 0,3 );
 21   INSERT INTO tb_pushmessage (MessageText, doctorId, patientId, channelId, pushType, the messageType, messagetitle)
 22   values (concat ( 'your purchase', local_receiver, 'service untreated, has expired'), concat ( 's _ ', 807), local_sender , local_sender, 1,807, 'Buy service unavailability' );
 23 is SET local_status = (local_status-. 1 );
 24  End  IF ;
 25  End  the while ;
 26 is INSERT INTO tb_purchaseservice_history (purchaseId, patientId, doctorId, State, consumePoint, transfertime) 
 27 SELECT purchaseId , patientid,doctorid,5 as state,consumePoint,createtime from tb_purchaseservice_relation 
28 where state=1 and createtime<date_sub(now(),interval 2 day );
29 delete from tb_purchaseservice_relation where state=1 and createtime <date_sub(now(),interval 2 day );
30 #结束游标
31 close local_message;
32 end