Question

大家好我每个人都有一个SQL查询，其中我使用的是case和inner join，

我面临的问题是我得到了多部分标识符的错误

这是我的SQL查询

SELECT 
CASE when row_num = 1 THEN bill_id ELSE NULL 
END as bill_id, listinvoice.sonvinid,
listinvoice.date, listinvoice.brandname,listinvoice.venue,listinvoice.zone,
listinvoice.location,
listinvoice.instructore,listinvoice.paymentid,listinvoice.amount
FROM (
select bill_id, row_number()
 over
 (partition by bill_id order by listinvoice.date asc)
  row_num, listinvoice.sonvinid, tid, listinvoice.date
  , listinvoice.brandname,listinvoice.venue,
  listinvoice.zone,listinvoice.location,
  listinvoice.instructore,paymentid,amount
from listinvoice
inner join sonvininsert
on 
sonvininsert.sonvinid=listinvoice.sonvinid
 where 
tid in (select tid from trainerdetails where empname='andrew charles')
and listinvoice.[date] between
'2015-02-02' and '2017-02-02'
)data

和我的错误

消息4104，级别16，状态1，行1多部分标识符＆＃34; listinvoice.sonvinid＆＃34;无法受约束。 Msg 4104，Level 16，State 1，第1行多部分标识符＆＃34; listinvoice.date＆＃34;不可能界。消息4104，级别16，状态1，行1多部分标识符＆＃34; listinvoice.brandname＆＃34;无法受约束。 Msg 4104，Level 16，State 1，第1行多部分标识符＆＃34; listinvoice.venue＆＃34;不可能界。消息4104，级别16，状态1，行1多部分标识符＆＃34; listinvoice.zone＆＃34;无法受约束。 Msg 4104，Level 16，State 1，第1行多部分标识符＆＃34; listinvoice.location＆＃34;不可能界。消息4104，级别16，状态1，行1多部分标识符＆＃34; listinvoice.instructore＆＃34;无法受约束。消息4104，级别16，状态1，第1行多部分标识符＆＃34; listinvoice.paymentid＆＃34; 无法受约束。消息4104，级别16，状态1，行1多部分标识符＆＃34; listinvoice.amount＆＃34;无法受约束。

对此可能的修复方法是什么？

Answer 1

除了内部查询的别名外，您的查询是正确的，只需要进行一次更改：

SELECT 
    CASE 
        when row_num = 1 
        THEN bill_id 
        ELSE NULL 
    END as bill_id, 
    listinvoice.sonvinid,
    listinvoice.date,
    listinvoice.brandname,
    listinvoice.venue,
    listinvoice.zone,
    listinvoice.location,
    listinvoice.instructore,
    listinvoice.paymentid,
    listinvoice.amount
FROM (
    select 
        bill_id, 
        row_number() over
            (partition by bill_id order by listinvoice.date asc) row_num, 
        listinvoice.sonvinid, 
        tid, 
        listinvoice.date , 
        listinvoice.brandname,
        listinvoice.venue,  
        listinvoice.zone,
        listinvoice.location,
        listinvoice.instructore,
        paymentid,
        amount
    from listinvoice
        inner join sonvininsert
            on 
            sonvininsert.sonvinid=listinvoice.sonvinid
    where 
        tid in 
            (
                select 
                    tid 
                from trainerdetails 
                where empname='andrew charles'
            )
    and listinvoice.[date] 
        between '2015-02-02' and '2017-02-02'
        )listinvoice -- change required here to correct the alias

Answer 2

SELECT 
CASE when row_num = 1 THEN bill_id ELSE NULL 
END as bill_id, data.sonvinid,
data.date, data.brandname,data.venue,data.zone,
data.location,
data.instructore,data.paymentid,data.amount
FROM (
select bill_id, row_number()
 over
 (partition by bill_id order by listinvoice.date asc)
  row_num, listinvoice.sonvinid, tid, listinvoice.date
  , listinvoice.brandname,listinvoice.venue,
  listinvoice.zone,listinvoice.location,
  listinvoice.instructore,paymentid,amount
from listinvoice
inner join sonvininsert
on 
sonvininsert.sonvinid=listinvoice.sonvinid
 where 
tid in (select tid from trainerdetails where empname='andrew charles')
and listinvoice.[date] between
'2015-02-02' and '2017-02-02'
)data -- here is where you named your table

您的SELECT语句是从名为data的派生表中提取的，因此您需要适当地引用表名。

多个部分标识符无法绑定在sql上的情况

2 个答案: