Sql 在透视查询中按ID对行进行分组

我正在尝试创建一个pivot查询来显示数据库中的调查响应数据

以下是我目前的疑问：

declare
    @columns     nvarchar(max) ='',
    @sql         nvarchar(max) = '',
    @responseIDs nvarchar(max) = '';

select
    @columns+=QUOTENAME(QuestionLabel) + ','
from
    SurveyQuestions
where
    SurveyID=1
order by
    QuestionSort;

set @columns = LEFT(@columns, LEN(@columns)-1);
set @responseIDs = (select ResponseIDs from SurveyCart where SurveyCartID=7);

set @sql='
select * from ( 
    select 
        QuestionLabel, ResponseAnswer, ResponseID, AmountPaid = 
        (
            IIF(QuestionTypeID=2 and ResponseAnswer=''Yes'', QuestionValue, 0) +
            IIF(QuestionTypeID=6 and CAST(ResponseAnswer as int)>0, QuestionValue*Cast(ResponseAnswer as int), 0)
        )
    from 
        SurveyQuestions q
        inner join SurveyResponseAnswers ra 
            on q.QuestionID=ra.QuestionID
    where
        ResponseID in (' + @responseIDs + ')
) t
pivot(
    MAX(ResponseAnswer) for QuestionLabel in (' + @columns + ')
) as pivot_table;';

EXECUTE(@sql)

这是我得到的结果

ResponseID  AmountPaid  Attending?  Select     Cost with Quantities
19          0.00            NULL    Option 3   NULL
20          0.00            NULL    Option 1    
19          25.00           Yes     NULL       NULL
20          25.00           Yes     NULL       NULL
19          30.00           NULL    NULL       3

我想要的结果是：

ResponseID  AmountPaid  Attending?  Select     Cost with Quantities
19          55.00           Yes     Option 3   3
20          25.00           Yes     Option 1    

我希望每个响应ID只有一行，并且在出席和数量成本中有空白点，我需要底部行的结果和基于响应ID加在一起的金额

select 
    ResponseID,
    sum(case when QuestionLabel = 'AmountPaid' then
        iif(QuestionTypeID = 2 and ResponseAnswer = 'Yes', QuestionValue, 0) +
        iif(QuestionTypeID = 6 and cast(ResponseAnswer as int) > 0,
            QuestionValue * Cast(ResponseAnswer as int), 0)
    end) as "AmountPaid",
    min(case when QuestionLabel = 'Attending?'
        then ResponseAnswer end) as "Attending?",
    min(case when QuestionLabel = 'Select'
        then ResponseAnswer end) as "Select",
    min(case when QuestionLabel = 'Cost with quantities'
        then ResponseAnswer end) as "Cost with Quantities"
from 
    SurveyQuestions q
    inner join SurveyResponseAnswers ra 
        on q.QuestionID = ra.QuestionID
where ResponseID in (
    select ResponseIDs from SurveyCart where SurveyCartID = 7
);

---

我不清楚什么是“问题值”或“调查车”，但我认为这应该很接近。除非您预期问题标签将来会发生变化，否则我不明白您为什么不能在这里硬编码它们，因为您已经对许多ID值进行了硬编码。

这将有助于实际数据插入测试，以及您想要的实际输出。但是根据您目前的描述，您可能必须使用GROUP BY ResponseID并对金额进行求和，在其他列中使用MIN/MAX。我认为您只需去掉pivot并使用一个简单的

GROUP BY

。您已经在硬编码

QuestionTypeId

值。是否确实需要使

ResponseID

动态化。不管是哪种方式，只要用

case

或

if

将列表达式包装起来，就像你已经做过的那样。我需要透视图，因为我正在用问题标签创建列，这些问题标签位于与响应不同的表中。问题标签将不同，因为用户可以使用任何工具进行自己的调查和表单问题。这就是为什么它必须是动态的。