OUTPUT 子句 (Transact-SQL)

USE AdventureWorks;
GO
DELETE TOP(1) dbo.DatabaseLog WITH (READPAST)
OUTPUT deleted.*
WHERE DatabaseLogID = 7;
GO

USE tempdb;
GO

CREATE TABLE dbo.table1
(
    id INT,
    employee VARCHAR(32)
);
GO

INSERT INTO dbo.table1 VALUES
    (1, 'Fred'), (2, 'Tom')
   ,(3, 'Sally'),(4, 'Alice');
GO

DECLARE @MyTableVar TABLE
(
    id INT,
    employee VARCHAR(32)
);

PRINT 'table1, before delete' ;
SELECT id, employee FROM dbo.table1;

DELETE FROM dbo.table1
OUTPUT DELETED.* INTO @MyTableVar
WHERE id = 4 OR id = 2;

PRINT 'table1, after delete';
SELECT id, employee FROM table1;

PRINT '@MyTableVar, after delete';
SELECT id, employee FROM @MyTableVar;

DROP TABLE dbo.table1;

--Results
--table1, before delete
--id          employee
------------- ------------------------------
--1           Fred
--2           Tom
--3           Sally
--4           Alice
--
--table1 results, after delete
--id          employee
------------- ------------------------------
--1           Fred
--3           Sally
--
--@MyTableVar results, after delete
--id          employee
------------- ------------------------------
--2           Tom
--4           Alice

USE AdventureWorks;
GO
DECLARE @MyTableVar table( ScrapReasonID smallint,
                           Name varchar(50),
                           ModifiedDate datetime);
INSERT Production.ScrapReason
    OUTPUT INSERTED.ScrapReasonID, INSERTED.Name, INSERTED.ModifiedDate
        INTO @MyTableVar
VALUES (N'Operator error', GETDATE());

--Display the result set of the table variable.
SELECT ScrapReasonID, Name, ModifiedDate FROM @MyTableVar;
--Display the result set of the table.
SELECT ScrapReasonID, Name, ModifiedDate 
FROM Production.ScrapReason;
GO

USE AdventureWorks;
GO
DELETE Sales.ShoppingCartItem
OUTPUT DELETED.* 
WHERE ShoppingCartID = 20621;

--Verify all rows in the table that match the WHERE clause have been deleted.
SELECT COUNT(*) AS [Rows in Table] FROM Sales.ShoppingCartItem WHERE ShoppingCartID = 20621;
GO

USE AdventureWorks;
GO
DECLARE @MyTableVar table(
    EmpID int NOT NULL,
    OldVacationHours int,
    NewVacationHours int,
    ModifiedDate datetime);
UPDATE TOP (10) HumanResources.Employee
SET VacationHours = VacationHours * 1.25,
    ModifiedDate = GETDATE() 
OUTPUT inserted.EmployeeID,
       deleted.VacationHours,
       inserted.VacationHours,
       inserted.ModifiedDate
INTO @MyTableVar;

--Display the result set of the table variable.
SELECT EmpID, OldVacationHours, NewVacationHours, ModifiedDate
FROM @MyTableVar;
GO

--Display the result set of the table.
SELECT TOP (10) EmployeeID, VacationHours, ModifiedDate
FROM HumanResources.Employee;
GO

USE AdventureWorks;
GO
DECLARE @MyTableVar table(
    EmpID int NOT NULL,
    OldVacationHours int,
    NewVacationHours int,
    VacationHoursDifference int,
    ModifiedDate datetime);

UPDATE TOP (10) HumanResources.Employee
SET VacationHours = VacationHours * 1.25,
    ModifiedDate = GETDATE() 
OUTPUT inserted.EmployeeID,
       deleted.VacationHours,
       inserted.VacationHours,
       inserted.VacationHours - deleted.VacationHours,
       inserted.ModifiedDate
INTO @MyTableVar;

--Display the result set of the table variable.
SELECT EmpID, OldVacationHours, NewVacationHours, 
    VacationHoursDifference, ModifiedDate
FROM @MyTableVar;
GO

SELECT TOP (10) EmployeeID, VacationHours, ModifiedDate
FROM HumanResources.Employee;
GO

USE AdventureWorks;
GO
DECLARE @MyTestVar table (
    OldScrapReasonID int NOT NULL, 
    NewScrapReasonID int NOT NULL, 
    WorkOrderID int NOT NULL,
    ProductID int NOT NULL,
    ProductName nvarchar(50)NOT NULL);

UPDATE Production.WorkOrder
SET ScrapReasonID = 4
OUTPUT deleted.ScrapReasonID,
       inserted.ScrapReasonID, 
       inserted.WorkOrderID,
       inserted.ProductID,
       p.Name
    INTO @MyTestVar
FROM Production.WorkOrder AS wo
    INNER JOIN Production.Product AS p 
    ON wo.ProductID = p.ProductID 
    AND wo.ScrapReasonID= 16
    AND p.ProductID = 733;

SELECT OldScrapReasonID, NewScrapReasonID, WorkOrderID, 
    ProductID, ProductName 
FROM @MyTestVar;
GO

USE AdventureWorks;
GO
DECLARE @MyTableVar table (
    ProductID int NOT NULL, 
    ProductName nvarchar(50)NOT NULL,
    ProductModelID int NOT NULL, 
    PhotoID int NOT NULL);

DELETE Production.ProductProductPhoto
OUTPUT DELETED.ProductID,
       p.Name,
       p.ProductModelID,
       DELETED.ProductPhotoID
    INTO @MyTableVar
FROM Production.ProductProductPhoto AS ph
JOIN Production.Product as p 
    ON ph.ProductID = p.ProductID 
    WHERE p.ProductModelID BETWEEN 120 and 130;

--Display the results of the table variable.
SELECT ProductID, ProductName, ProductModelID, PhotoID 
FROM @MyTableVar
ORDER BY ProductModelID;
GO

USE AdventureWorks;
GO
DECLARE @MyTableVar table (
    DocumentID int NOT NULL,
    SummaryBefore nvarchar(max),
    SummaryAfter nvarchar(max));
UPDATE Production.Document
SET DocumentSummary .WRITE (N'features',28,10)
OUTPUT inserted.DocumentID,
       deleted.DocumentSummary, 
       inserted.DocumentSummary 
    INTO @MyTableVar
WHERE DocumentID = 3 ;
SELECT DocumentID, SummaryBefore, SummaryAfter 
FROM @MyTableVar;
GO

USE AdventureWorks ;
GO
IF OBJECT_ID ('dbo.EmployeeSales', 'U') IS NOT NULL
    DROP TABLE dbo.EmployeeSales;
GO
CREATE TABLE dbo.EmployeeSales
( EmployeeID   int IDENTITY (1,5)NOT NULL,
  LastName     nvarchar(20) NOT NULL,
  FirstName    nvarchar(20) NOT NULL,
  CurrentSales money NOT NULL,
  ProjectedSales AS CurrentSales * 1.10 
);
GO
DECLARE @MyTableVar table(
  LastName     nvarchar(20) NOT NULL,
  FirstName    nvarchar(20) NOT NULL,
  CurrentSales money NOT NULL
  );

INSERT INTO dbo.EmployeeSales (LastName, FirstName, CurrentSales)
  OUTPUT INSERTED.LastName, 
         INSERTED.FirstName, 
         INSERTED.CurrentSales
  INTO @MyTableVar
    SELECT c.LastName, c.FirstName, sp.SalesYTD
    FROM HumanResources.Employee AS e
        INNER JOIN Sales.SalesPerson AS sp
        ON e.EmployeeID = sp.SalesPersonID 
        INNER JOIN Person.Contact AS c
        ON e.ContactID = c.ContactID
    WHERE e.EmployeeID LIKE '2%'
    ORDER BY c.LastName, c.FirstName;

SELECT LastName, FirstName, CurrentSales
FROM @MyTableVar;
GO
SELECT EmployeeID, LastName, FirstName, CurrentSales, ProjectedSales
FROM dbo.EmployeeSales;
GO

USE AdventureWorks;
GO
DECLARE @MyTableVar table (
    ProductID int NOT NULL, 
    ProductName nvarchar(50)NOT NULL,
    ProductModelID int NOT NULL, 
    PhotoID int NOT NULL);
DELETE Production.ProductProductPhoto
OUTPUT DELETED.ProductID,
       p.Name,
       p.ProductModelID,
       DELETED.ProductPhotoID
    INTO @MyTableVar
OUTPUT DELETED.ProductID, DELETED.ProductPhotoID, GETDATE() AS DeletedDate 
FROM Production.ProductProductPhoto AS ph
JOIN Production.Product as p 
    ON ph.ProductID = p.ProductID 
WHERE p.ProductID BETWEEN 800 and 810;

--Display the results of the table variable.
SELECT ProductID, ProductName, PhotoID, ProductModelID 
FROM @MyTableVar;
GO

USE AdventureWorks;
GO
IF OBJECT_ID(N'Production.ZeroInventory', N'U') IS NOT NULL
    DROP TABLE Production.ZeroInventory;
GO
--Create ZeroInventory table.
CREATE TABLE Production.ZeroInventory (ProductID int);
GO

INSERT INTO Production.ZeroInventory (ProductID)
SELECT ProductID
FROM
(   MERGE Production.ProductInventory AS pi
    USING (SELECT ProductID, SUM(OrderQty) FROM Sales.SalesOrderDetail AS sod
           JOIN Sales.SalesOrderHeader AS soh
           ON sod.SalesOrderID = soh.SalesOrderID
           AND soh.OrderDate = '20030401'
           GROUP BY ProductID) AS src (ProductID, OrderQty)
    ON (pi.ProductID = src.ProductID)
    WHEN MATCHED AND pi.Quantity - src.OrderQty <= 0
        THEN DELETE
    WHEN MATCHED
        THEN UPDATE SET pi.Quantity = pi.Quantity - src.OrderQty
    OUTPUT $action, deleted.ProductID) AS Changes (Action, ProductID)
WHERE Action = 'DELETE';
GO
SELECT ProductID FROM Production.ZeroInventory;