Properties

Owner: Purchasing 
Table/View: Purchasing.PurchaseOrderDetail 
Disabled:  
Encrypted:  
Creation Date: 04/26/2006 
Modification Date: 04/26/2006 
Description: AFTER INSERT trigger that inserts a row in the TransactionHistory table and updates the PurchaseOrderHeader.SubTotal column. 

Creation options

QUOTED_IDENTIFIER:  
ANSI_NULLS:  

Type

Instead of:  
Insert:  
Update:  
Delete:  

Objects that [Purchasing].[iPurchaseOrderDetail] depends on

Object Name Owner Object Type Dep Level
  AccountNumber  dbo  User Defined type 
  Flag  dbo  User Defined type 
  Name  dbo  User Defined type 
  NameStyle  dbo  User Defined type 
  Phone  dbo  User Defined type 
  Contact  Person  Table 
  ErrorLog  dbo  Table 
  ProductCategory  Production  Table 
  ProductModel  Production  Table 
  ShipMethod  Purchasing  Table 
  UnitMeasure  Production  Table 
  Vendor  Purchasing  Table 
  uspPrintError  dbo  Procedure 
  Employee  HumanResources  Table 
  ProductSubcategory  Production  Table 
  uspLogError  dbo  Procedure 
  Product  Production  Table 
  PurchaseOrderHeader  Purchasing  Table 
  PurchaseOrderDetail  Purchasing  Table 
  TransactionHistory  Production  Table 
Total: 20 object(s)

SQL

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

CREATE TRIGGER [Purchasing].[iPurchaseOrderDetail] ON [Purchasing].[PurchaseOrderDetail]
AFTER INSERT AS
BEGIN
    DECLARE @Count int;

    SET @Count = @@ROWCOUNT;
    IF @Count = 0
        RETURN;

    SET NOCOUNT ON;

    BEGIN TRY
        INSERT INTO [Production].[TransactionHistory]
            ([ProductID]
            ,[ReferenceOrderID]
            ,[ReferenceOrderLineID]
            ,[TransactionType]
            ,[TransactionDate]
            ,[Quantity]
            ,[ActualCost])
        SELECT
            inserted.[ProductID]
            ,inserted.[PurchaseOrderID]
            ,inserted.[PurchaseOrderDetailID]
            ,'P'
            ,GETDATE()
            ,inserted.[OrderQty]
            ,inserted.[UnitPrice]
        FROM inserted
            INNER JOIN [Purchasing].[PurchaseOrderHeader]
            ON inserted.[PurchaseOrderID] = [Purchasing].[PurchaseOrderHeader].[PurchaseOrderID];

        -- Update SubTotal in PurchaseOrderHeader record. Note that this causes the
        -- PurchaseOrderHeader trigger to fire which will update the RevisionNumber.
        UPDATE [Purchasing].[PurchaseOrderHeader]
        SET [Purchasing].[PurchaseOrderHeader].[SubTotal] =
            (SELECT SUM([Purchasing].[PurchaseOrderDetail].[LineTotal])
                FROM [Purchasing].[PurchaseOrderDetail]
                WHERE [Purchasing].[PurchaseOrderHeader].[PurchaseOrderID] = [Purchasing].[PurchaseOrderDetail].[PurchaseOrderID])
        WHERE [Purchasing].[PurchaseOrderHeader].[PurchaseOrderID] IN (SELECT inserted.[PurchaseOrderID] FROM inserted);
    END TRY
    BEGIN CATCH
        EXECUTE [dbo].[uspPrintError];

        -- Rollback any active or uncommittable transactions before
        -- inserting information in the ErrorLog
        IF @@TRANCOUNT > 0
        BEGIN
            ROLLBACK TRANSACTION;
        END

        EXECUTE [dbo].[uspLogError];
    END CATCH;
END;

GO
SET QUOTED_IDENTIFIER OFF
GO

GO
SET ANSI_NULLS OFF
GO

See Also

List of triggers