DB2 组内分组排序，游标使用

 1 CREATE PROCEDURE Sys_Init_tblaccountsuser_sortid ()
 2 
 3 
 4 P1: BEGIN
 5     declare not_found condition for sqlstate '02000';
 6     DECLARE V_RK_ID INTEGER DEFAULT 0;
 7     DECLARE V_ID  INTEGER DEFAULT 0; 
 8     DECLARE V_AT_END INT DEFAULT 0;
 9 
10     DECLARE CUR1 CURSOR WITH RETURN TO CLIENT FOR
11         select rk,id from  (select rank() over(partition by ouid order by id asc) rk,t.* from tracing.tblaccountsuser t);
12     
13     
14     declare continue handler for not_found set V_AT_END=1;  
15     -- Cursor left open for client application
16     OPEN CUR1;
17     ins_loop:
18         LOOP
19         FETCH CUR1 INTO V_RK_ID,V_ID;
20             IF V_AT_END <>0 THEN
21                 LEAVE ins_loop;
22             END IF;
23             
24             update tblaccountsuser set  SORTID = V_RK_ID where id = V_ID ;
25         END LOOP;
26     CLOSE CUR1;
27 END P1