SQL语句，pymysql模块，sql注入问题

一、完整版SQL语句的查询

select 
    distinct post,avg(salary) 
from 
    table 
where 
    id > 1 
group by
    post`
having 
    avg(salary)>100
order by 
    avg(salary)
limit 5,5select 
    distinct post,avg(sa