关键字“FOR"附近的语法不正确

Incorrect syntax near the keyword #39;FOR#39;(关键字“FOR附近的语法不正确)

问题描述

我写了下面提到的查询...

I have written the query mentioned below...

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

select @cols = STUFF((SELECT distinct ',' + QUOTENAME(Name)  
                    from dbo.[WorkflowInstanceParameter] 
            FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)'),1,1,'')


Go 
set @query = 'SELECT ' + @cols + ' 
            from 
            (
                select wi.Id,wip.Name, wip.stringValue
                from FROM [ESP2_DEV1].[dbo].[WorkflowInstanceParameter] wip,
 [WorkflowParameterGroupInstance] wpgi, [ESP2_DEV1].[dbo].[WorkflowInstance] wi,
 dbo.WorkflowDefinition wd
 where wip.[WorkflowParameterGroupInstanceId] = wpgi.id
 and wpgi.[WorkflowInstanceId] =wi.id and
  wi.workflowDefinitionId=wd.id
            ) x
            pivot 
            (
                max(stringValue)
                for Name in (' + @cols + ')
            ) p '

execute(@query)

但它因错误关键字'FOR'附近的语法不正确"而失败

but it is failing with error "Incorrect syntax near the keyword 'FOR'"

谁能帮我这个吗??????

Can anyone help me this?????

推荐答案

关键字 FROM 在 set @query 子句中重复:

The keyword FROM is repeated in the set @query clause:

select wi.Id,wip.Name, wip.stringValue
            from FROM [ESP2_DEV1].[dbo].[WorkflowInstanceParameter] wip

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