create or replace procedure xs_test_update_bac is
cursor curtestupdatebac is
select id,
substr(bachelor_edu,
instr(bachelor_edu, '從') + 1,
instr(bachelor_edu, '年到') - 2) as startyear,
substr(substr(bachelor_edu, instr(bachelor_edu, '年到') + 2),
1,instr(substr(bachelor_edu, instr(bachelor_edu, '年到') + 2),
'年') - 1) as endyear,
substr(substr(bachelor_edu, instr(bachelor_edu, '年到') + 2),
instr(substr(bachelor_edu, instr(bachelor_edu, '年到') + 2),
'年') + 1) as yuanxi,
bachelor_edu
from test_alumni_user
where bachelor_edu <> '從年到年'
and bachelor_edu <> '無'
and instr(bachelor_edu, '年到') > 0;
--校友使用者型別
rec_curtestupdatebac curtestupdatebac%rowtype;
begin
--判斷游標是否被開啟,如果已經開啟，首先關閉
if curtestupdatebac%isopen then
--關閉游標
close curtestupdatebac;
end if;
--開啟游標
open curtestupdatebac;
--進行迴圈
loop
--開啟游標裡的一條記錄，賦到游標變數裡
fetch curtestupdatebac
into rec_curtestupdatebac;
--判斷游標裡是否還有記錄，如果沒有記錄，關閉游標，退出迴圈
if curtestupdatebac%notfound then
close curtestupdatebac;
exit;
else
update test_alumni_user u
set u.bachelor_edu_begin_day=rec_curtestupdatebac.startyear,
u.bachelor_edu_end_day = rec_curtestupdatebac.endyear,
u.bachelor_departments = rec_curtestupdatebac.yuanxi
where u.id = rec_curtestupdatebac.id;
end if;
commit;
end loop;
exception
when others then
rollback;
end xs_test_update_bac;
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