create procedure test is
cursor custom_list is
select id from khexpinfo;
custom_dic custom_list%ROWTYPE;
my_custom_id in number(20);
begin
for custom_dic in custom_list loop
begin
select distinct b.customer_id into my_custom_id from centermaterialusedetail c ,batchinfo b where c.export_uid=custom_dic.id and c.batchinfo_uid=b.fuid;
update khexpinfo set customer_id=my_custom_id where id=custom_dic.id;
exception when others then
my_custom_id:=0;
end;
end loop;
commit;
end;