从Excel执行存储过程,该存储过程本身生成动态代码并执行它

时间:2013-02-28 19:12:30

标签: sql-server excel tsql stored-procedures

我生成了一个SQL查询,它生成一个SQL查询并执行它。

此查询我希望在视图或Excel中将其提供给不使用SQL Server Management Studio的用户。

我发现several blogentries描述了如何从Excel运行存储过程。

可悲的是,他们不适合我。

这里是存储过程的查询/ SQL:

DECLARE @template nvarchar(1000)
DECLARE @script nvarchar(max)
DECLARE @dbname nvarchar(max)
DECLARE c CURSOR FOR
select name from  master.sys.databases
WHERE name LIKE '%REPORTING'
OPEN c

SET @template = 'SELECT 
    ''CUSTOMER_PLACEHOLDER'' AS Customer
      ,rd.[ReportName]        
      ,min(ri.RenderingStart) AS FirstRequest
      ,max(ri.RenderingEnd) AS LastRequest
      ,count(ri.ReportInstanceGUID) AS TimesRendered
  FROM [DBNAME_PLACEHOLDER].[dbo].[ReportDefinition] rd
  LEFT JOIN DBNAME_PLACEHOLDER.dbo.ReportJob rj ON rj.ReportDefinitionGUID = rd.ReportDefinitionGUID
  LEFT JOIN DBNAME_PLACEHOLDER.dbo.ReportInstance ri ON ri.ReportJobGUID = rj.ReportJobGUID
  GROUP BY rd.ReportName'

SET @script = ''

FETCH NEXT FROM c INTO @dbname

DECLARE @first bit
SET @first = 1

WHILE @@FETCH_STATUS = 0
BEGIN   
    DECLARE @customer nvarchar(6)

    SET @customer = SUBSTRING(@dbname,14,6)
    IF @first = 1
        BEGIN
            SET @script = @template
            SET @first = 0
        END
    ELSE
        --SET @script = @script+'
        --UNION ALL
        --'+@template

    SET @script = REPLACE(@script,'CUSTOMER_PLACEHOLDER', @customer)
    SET @script = REPLACE(@script,'DBNAME_PLACEHOLDER', @dbname)

    FETCH NEXT FROM c 
    INTO @dbname

END
    EXEC (@script)
CLOSE c
DEALLOCATE c

ELSE部分已被注释,以便在Excel中查看错误。

执行时会运行查询。

在Excel中调用它时,我收到以下错误(以管理员身份启动Excel时验证了同样的错误):

Errorpic

我不知道从哪里继续。表值函数也不起作用,因为不允许使用EXEC。如果可能的话,我想保留动态部分,因为数据库的数量和名称可能会发生变化 - 我想保持它不具体。

提示?

0 个答案:

没有答案