sqlserver 多語句表值函數例子

多語句表值函數顧名思義是返回了一張表,可以傳入多個參數

 

 

1.定義

Use AdventureWorks2014;
go
if exists(select * from sys.objects where name='udf_SEL_SalesQuota')
drop function dbo.udf_SEL_SalesQuota;
go
CREATE FUNCTION dbo.udf_SEL_SalesQuota ( @BusinessEntityID int, @ShowHistory bit )
RETURNS @SalesQuota TABLE 
    (
        BusinessEntityID int, 
        QuotaDate datetime, 
        SalesQuota money
    )
as
begin
    INSERT Into @SalesQuota(BusinessEntityID, QuotaDate, SalesQuota)
    SELECT BusinessEntityID, ModifiedDate, SalesQuota
    FROM Sales.SalesPerson
    WHERE BusinessEntityID = @BusinessEntityID;

    IF @ShowHistory = 1
         begin
            INSERT Into @SalesQuota(BusinessEntityID, QuotaDate, SalesQuota)
            SELECT BusinessEntityID, QuotaDate, SalesQuota
            FROM Sales.SalesPersonQuotaHistory
            WHERE BusinessEntityID = @BusinessEntityID;
         end

    return

end

2.調用

Use AdventureWorks2014;
GO
SELECT BusinessEntityID, QuotaDate, SalesQuota      
FROM dbo.udf_SEL_SalesQuota (275,0);