帶參數

Question

的動態軸數查詢

在以下查詢中，formid參數導致錯誤。我已經嘗試使用靜態值代替formid參數，在這種情況下查詢成功。我使用不正確的語法嗎？這個線程似乎解決了這個問題，但是語法似乎是相同的。

ALTER PROCEDURE [dbo].[customFormReport] 
(
    @formid int 
) 
AS 
BEGIN 
SET NOCOUNT ON 

DECLARE @cols AS NVARCHAR(MAX), 
    @query AS NVARCHAR(MAX) 

select @cols = STUFF((SELECT distinct ',' + QUOTENAME(fieldname) 
        from FormResponse 
      FOR XML PATH(''), TYPE 
      ).value('.', 'NVARCHAR(MAX)') 
     ,1,1,'') 

set @query = 'SELECT FormID, FormSubmissionID,' + @cols + ' from 
      (
       SELECT FormID, FormSubmissionID, fieldname, value 
       FROM FormResponse WHERE FormID = ' + @formid + ' 
      ) x 
      pivot 
      (
       max(value) 
       for fieldname in (' + @cols + ') 
      ) p ' 

execute(@query) 

Answer 1

將其轉換爲字符串，

CAST(@formid AS VARCHAR(25))