Mysql 在语法中添加一个变量

Mysql 在语法中添加一个变量,mysql,sql,Mysql,Sql,在这里运行的示例中 我想在检索到的数据中添加用户id 我用这个 ;with postvotes as ( select v.creationdate, v.userid , p.id postid , case v.votetypeid when 1 then 'accepts' when 2 then 'up-votes' when 3 then 'down-votes' when 9 then 'b

在这里运行的示例中

我想在检索到的数据中添加用户id

我用这个

;with postvotes as
(
select v.creationdate,
       v.userid
     , p.id postid 
     , case v.votetypeid
       when  1 then 'accepts'
       when 2 then 'up-votes'
       when 3 then 'down-votes'
       when 9 then 'bounty_recieved'
       end  vote_type
     , case p.posttypeid 
       when 1 then 'question'
       when 2 then 'answer'
       end post_type
     , sum(case  v.votetypeid 
           when 1 then 15
           when 2 then 10
           when 3 then -2
           when 9 then bountyamount
           end
       ) reputation_change

from votes v
inner join posts p on p.id = v.postid
where p.owneruserid = ##userid?1719510##
and posttypeid in (1,2)
and votetypeid in (1,2,3,9)
group by v.creationdate, p.id, votetypeid, posttypeid
),
bounties as 
(
select v.creationdate
     , v.postid postid 
     , 'bounty-offered' vote_type
     , 'question' post_type
     , sum(bountyamount) reputation_change
from votes v
where v.userid = ##userid?1719510##
and votetypeid = 8
group by v.creationdate, v.postid, votetypeid
),
approvededits as
(
select se.creationdate
     , se.postid postid 
     , 'approved-edit' vote_type
     , case p.posttypeid 
       when 1 then 'question'
       when 2 then 'answer'
       end  post_type
     , sum(2) reputation_change
from suggestededits se
inner join posts p on p.id = se.postid
where se.Owneruserid = ##userid?1719510##
and approvaldate is not null
group by se.creationdate, se.postid, posttypeid
)


select *
from postvotes
union
select *
from bounties
union 
select *
from approvededits
但我收到了这个错误: 列“voces.UserId”在选择列表中无效,因为它未包含在聚合函数或GROUP BY子句中


如何修复它?

您忘了在分组列表中添加用户ID。因此,更新后的查询可能如下所示-

;with postvotes as
(
select v.creationdate,
     , p.id postid 
     , case v.votetypeid
       when  1 then 'accepts'
       when 2 then 'up-votes'
       when 3 then 'down-votes'
       when 9 then 'bounty_recieved'
       end  vote_type
     , case p.posttypeid 
       when 1 then 'question'
       when 2 then 'answer'
       end post_type
     , sum(case  v.votetypeid 
           when 1 then 15
           when 2 then 10
           when 3 then -2
           when 9 then bountyamount
           end
       ) reputation_change

from votes v
inner join posts p on p.id = v.postid
where p.owneruserid = ##userid?1719510##
and posttypeid in (1,2)
and votetypeid in (1,2,3,9)
group by v.creationdate, p.id, votetypeid, posttypeid
),
bounties as 
(
select v.creationdate
     , v.postid postid 
     , 'bounty-offered' vote_type
     , 'question' post_type
     , sum(bountyamount) reputation_change
from votes v
where v.userid = ##userid?1719510##
and votetypeid = 8
group by v.creationdate, v.postid, votetypeid
),
approvededits as
(
select se.creationdate
     , se.postid postid 
     , 'approved-edit' vote_type
     , case p.posttypeid 
       when 1 then 'question'
       when 2 then 'answer'
       end  post_type
     , sum(2) reputation_change
from suggestededits se
inner join posts p on p.id = se.postid
where se.Owneruserid = ##userid?1719510##
and approvaldate is not null
group by se.creationdate, se.postid, posttypeid
)
select *
from postvotes
union
select *
from bounties
union 
select *
from approvededits

您忘记在分组列表中添加用户ID。因此,更新后的查询可能如下所示-

;with postvotes as
(
select v.creationdate,
     , p.id postid 
     , case v.votetypeid
       when  1 then 'accepts'
       when 2 then 'up-votes'
       when 3 then 'down-votes'
       when 9 then 'bounty_recieved'
       end  vote_type
     , case p.posttypeid 
       when 1 then 'question'
       when 2 then 'answer'
       end post_type
     , sum(case  v.votetypeid 
           when 1 then 15
           when 2 then 10
           when 3 then -2
           when 9 then bountyamount
           end
       ) reputation_change

from votes v
inner join posts p on p.id = v.postid
where p.owneruserid = ##userid?1719510##
and posttypeid in (1,2)
and votetypeid in (1,2,3,9)
group by v.creationdate, p.id, votetypeid, posttypeid
),
bounties as 
(
select v.creationdate
     , v.postid postid 
     , 'bounty-offered' vote_type
     , 'question' post_type
     , sum(bountyamount) reputation_change
from votes v
where v.userid = ##userid?1719510##
and votetypeid = 8
group by v.creationdate, v.postid, votetypeid
),
approvededits as
(
select se.creationdate
     , se.postid postid 
     , 'approved-edit' vote_type
     , case p.posttypeid 
       when 1 then 'question'
       when 2 then 'answer'
       end  post_type
     , sum(2) reputation_change
from suggestededits se
inner join posts p on p.id = se.postid
where se.Owneruserid = ##userid?1719510##
and approvaldate is not null
group by se.creationdate, se.postid, posttypeid
)
select *
from postvotes
union
select *
from bounties
union 
select *
from approvededits

我现在收到这个错误
所有使用UNION、INTERSECT或EXCEPT运算符组合的查询在其目标列表中必须有相同数量的表达式@Nathalie,相应地编辑了答案。请立即重试。我现在收到此错误
使用UNION、INTERSECT或EXCEPT运算符组合的所有查询在其目标列表中必须具有相同数量的表达式@Nathalie,相应地编辑了答案。请现在试一试。