我试图从SQL Server引入存储过程以在Power BI中用于仪表板和报告。我收到以下错误消息:
详细信息:“Microsoft SQL:将数据类型nvarchar转换为bigint时出错。”
我们基本上在Jaspersoft的所有报告中使用存储过程都没有问题。
这可能是什么问题?
DECLARE @temp1 VARCHAR(max) DECLARE @res NVARCHAR(max) DECLARE @sub NVARCHAR(max) DECLARE @fields NVARCHAR(max) SET @temp1= '$P!{ProjectID}' EXEC stored_procedure @ListOfProjects = @temp1, @wbs1 = 1, @wbs2 = 1, @groupCode1 =1, @groupCode2 =1, @groupCode3 =1, @groupCode4 =1, @groupCode5 =1, @groupCode6 =1, @groupCode7 =1, @groupCode8 =1, @groupCode9 =1, @ResultSqlQuery = @res output --EXECUTE sp_executesql @res
编辑:这是存储过程的代码
USE [Database]
GO
/****** Object: StoredProcedure [stored_procedure] Script Date: 4/25/2019 10:45:11 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[stored_procedure]
@ListOfProjects nvarchar(max),
@wbs1 bit = 0,
@wbs2 bit =0 ,
@groupCode1 bit =0 ,
@groupCode2 bit =0 ,
@groupCode3 bit =0,
@groupCode4 bit =0 ,
@groupCode5 bit =0,
@groupCode6 bit =0 ,
@groupCode7 bit =0,
@groupCode8 bit =0,
@groupCode9 bit =0,
@ResultSqlQuery nvarchar(max) ='' OUTPUT
AS
SET NOCOUNT ON;
DECLARE @CurrentProjectId nvarchar(max)
DECLARE @TotalCount INT;
DECLARE @Counter INT;
DECLARE @ResultString nvarchar(max);
DECLARE @Temp nvarchar(max);
SET @Counter = 0;
SET @ResultString = '';
SET @TotalCount = 0;
SET @TotalCount = ( SELECT count(*) FROM dbo.ufn_split_string(@ListOfProjects) ) ;
WHILE @Counter < @TotalCount
BEGIN
SET @CurrentProjectId = ( SELECT CAST(ColumnData AS BigInt)FROM dbo.ufn_split_string(@ListOfProjects) where row = @Counter )
--PRINT @CurrentProjectName
IF @Counter <> 0
BEGIN
SET @ResultString = @ResultString + +' UNION ALL '
END
EXECUTE stored_procedure2 @PrjId = @CurrentProjectId ,
@wbs1 = @wbs1,
@wbs2 = @wbs2 ,
@groupCode1 =@groupCode1 ,
@groupCode2 =@groupCode2 ,
@groupCode3 =@groupCode3 ,
@groupCode4 =@groupCode4,
@groupCode5 =@groupCode5 ,
@groupCode6 =@groupCode6,
@groupCode7 =@groupCode7,
@groupCode8 =@groupCode8,
@groupCode9 =@groupCode9,
@SqlQuery = @Temp OUTPUT;
SET @ResultString = @ResultString + ' (' + @Temp +') '
SET @Counter = @Counter+1
END
SET @ResultSqlQuery = @ResultString
RETURN
--EXECUTE sp_executesql @ResultString
虽然@CurrentProjectId变量是nvarchar类型,但您尝试使用CAST(ColumnData AS BigInt)代码分配转换为BigInt的值。
如果stored_procedure2 @PrjId参数的类型是PrjId BigInt; make @CurrentProjectId变量类型BigInt。如果@PrjId参数的类型是nvarchar,请不要转换CAST(ColumnData AS BigInt),直接使用ColumnData中的值。