Database reference - AdventureWorks

AdventureWorks -  triggers -  [Sales].[iduSalesOrderDetail]

Description

AFTER INSERT, DELETE, UPDATE trigger that inserts a row in the TransactionHistory table, updates ModifiedDate in SalesOrderDetail and updates the SalesOrderHeader.SubTotal column. 

Trigger properties

namevalue
parentSalesOrderDetail
typeAfter Update Delete Insert   
is first insertfalse
is last insertfalse
is first updatefalse
is last updatefalse
is last deletefalse
is first deletefalse
is disabledfalse
is not for replicationfalse

Dependency graph

uspLogErroruspPrintErrorTransactionHistoryIndividualSalesOrderDetailSalesOrderHeaderiduSalesOrderDetail

Objects that [Sales].[iduSalesOrderDetail] depends on

nameobject typelevel
uspLogErrorstored procedure1
uspPrintErrorstored procedure2
ErrorLogtable2
TransactionHistorytable1
Individualtable1
SalesOrderDetailtable1
SalesOrderHeadertable1
OrderNumbertype2
Flagtype2
AccountNumbertype2

Code

CREATE TRIGGER [Sales].[iduSalesOrderDetail] ON [Sales].[SalesOrderDetail] 
AFTER INSERT, DELETE, UPDATE AS 
BEGIN
    DECLARE @Count int;

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

    SET NOCOUNT ON;

    BEGIN TRY
        -- If inserting or updating these columns
        IF UPDATE([ProductID]) OR UPDATE([OrderQty]) OR UPDATE([UnitPrice]) OR UPDATE([UnitPriceDiscount]) 
        -- Insert record into TransactionHistory
        BEGIN
            INSERT INTO [Production].[TransactionHistory]
                ([ProductID]
                ,[ReferenceOrderID]
                ,[ReferenceOrderLineID]
                ,[TransactionType]
                ,[TransactionDate]
                ,[Quantity]
                ,[ActualCost])
            SELECT 
                inserted.[ProductID]
                ,inserted.[SalesOrderID]
                ,inserted.[SalesOrderDetailID]
                ,'S'
                ,GETDATE()
                ,inserted.[OrderQty]
                ,inserted.[UnitPrice]
            FROM inserted 
                INNER JOIN [Sales].[SalesOrderHeader] 
                ON inserted.[SalesOrderID] = [Sales].[SalesOrderHeader].[SalesOrderID];

            UPDATE [Sales].[Individual] 
            SET [Demographics].modify('declare default element namespace 
                "http://schemas.microsoft.com/sqlserver/2004/07/adventure-works/IndividualSurvey"; 
                replace value of (/IndividualSurvey/TotalPurchaseYTD)[1] 
                with data(/IndividualSurvey/TotalPurchaseYTD)[1] + sql:column ("inserted.LineTotal")') 
            FROM inserted 
                INNER JOIN [Sales].[SalesOrderHeader] 
                ON inserted.[SalesOrderID] = [Sales].[SalesOrderHeader].[SalesOrderID] 
            WHERE [Sales].[SalesOrderHeader].[CustomerID] = [Sales].[Individual].[CustomerID];
        END;

        -- Update SubTotal in SalesOrderHeader record. Note that this causes the 
        -- SalesOrderHeader trigger to fire which will update the RevisionNumber.
        UPDATE [Sales].[SalesOrderHeader]
        SET [Sales].[SalesOrderHeader].[SubTotal] = 
            (SELECT SUM([Sales].[SalesOrderDetail].[LineTotal])
                FROM [Sales].[SalesOrderDetail]
                WHERE [Sales].[SalesOrderHeader].[SalesOrderID] = [Sales].[SalesOrderDetail].[SalesOrderID])
        WHERE [Sales].[SalesOrderHeader].[SalesOrderID] IN (SELECT inserted.[SalesOrderID] FROM inserted);

        UPDATE [Sales].[Individual] 
        SET [Demographics].modify('declare default element namespace 
            "http://schemas.microsoft.com/sqlserver/2004/07/adventure-works/IndividualSurvey"; 
            replace value of (/IndividualSurvey/TotalPurchaseYTD)[1] 
            with data(/IndividualSurvey/TotalPurchaseYTD)[1] - sql:column("deleted.LineTotal")') 
        FROM deleted 
            INNER JOIN [Sales].[SalesOrderHeader] 
            ON deleted.[SalesOrderID] = [Sales].[SalesOrderHeader].[SalesOrderID] 
        WHERE [Sales].[SalesOrderHeader].[CustomerID] = [Sales].[Individual].[CustomerID];
    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;

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