oracle 声明游标(不具备字段)规则应用

cursor sal_data(cp_center_temp_id varchar2) is
select data.,
post.id emp_post_id,
doc.Salary_Tax_Bd sa_tax_bd,
batch.bill_year_month bill_year_month,
batch.id batch_id,
post.emp_id employee_id
from sa_salary_data data
left join sa_salary_batch batch
on data.sa_batch_id = batch.id
left join sa_salary_document doc
on data.sa_doc_id = doc.id
left join pb_emp_post post
on doc.emp_post_id = post.id
left join pb_send send
on post.send_id = send.id
where send.cost_center_id = cp_center_temp_id;

salary_data_temp sal_data%rowtype;

open sal_data(center_temp.id);
loop
fetch sal_data
into salary_data_temp;
exit when sal_data%notfound;
--TODO
end loop;
colse sal_data;