我正在运行以下查询,但在“r.teamId”上出现无效引用错误。我找到了很多关于这个的答案,但是大多数都建议将隐式连接转换为显式连接。在我的例子中,我认为查询已经显式连接了。如何解决此错误?

select r.teamId,sum(r.amount),count(r.id),sum(r.distance),s.start_date
from runs r inner join ( SELECT team.id,league.start_date,league.end_date FROM league join team
ON league.id =team.league_id where r.teamId = team.id) s
on s.id = r.teamId
where r.teamId IS Not NULL
group by r.teamId,s.start_date
order by sum(r.amount) desc;

最佳答案

去掉无用的括号和派生表,就不会被错误的别名所迷惑:

select r.teamId,
       sum(r.amount),
       count(r.id),
       sum(r.distance),
       l.start_date
from runs r
  join team on r.teamid = team.id
  join league l on l.id = team.league_id
where r.teamId IS Not NULL
group by r.teamId, l.start_date
order by sum(r.amount) desc;

10-06 12:09