OLE Automation 範例指令碼

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適用於：SQL Server

本文章包含 Transact-SQL 陳述式批次的範例，該批次使用 OLE Automation 預存程序建立並使用資料庫引擎本機執行個體中的 SQL-DMO SQLServer 物件。 部分程式碼是用來當做 OLE Automation 系統預存程序參考文章的範例。

USE AdventureWorks2022;  
GO  
DECLARE @Object int;  
DECLARE @HR int;  
DECLARE @Property nvarchar(255);  
DECLARE @Return nvarchar(255);  
DECLARE @Source nvarchar(255), @Desc nvarchar(255);  
  
-- Create a SQLServer object.  
SET NOCOUNT ON;  
  
-- First, create the object.  
EXEC @HR = sp_OACreate N'SQLDMO.SQLServer',  
    @Object OUT;  
IF @HR <> 0  
BEGIN  
    -- Report the error.  
    EXEC sp_OAGetErrorInfo @Object,  
        @Source OUT,  
        @Desc OUT;  
    SELECT HR = convert(varbinary(4),@HR),  
        Source=@Source,  
        Description=@Desc;  
    GOTO END_ROUTINE  
END  
ELSE  
-- A DMO.SQLServer object has been successfully created.  
BEGIN  
    -- Specify Windows Authentication for connections.  
    EXEC @HR = sp_OASetProperty @Object,  
        N'LoginSecure',  
        N'TRUE';  
    IF @HR <> 0 GOTO CLEANUP  
  
    -- Set a property.  
    EXEC @HR = sp_OASetProperty @Object,  
        N'HostName',  
        N'SampleScript';  
    IF @HR <> 0 GOTO CLEANUP  
  
    -- Get a property using an output parameter.  
    EXEC @HR = sp_OAGetProperty @Object, N'HostName', @Property OUT;  
    IF @HR <> 0   
        GOTO CLEANUP  
    ELSE  
        PRINT @Property;  
  
    -- Get a property using a result set.  
    EXEC @HR = sp_OAGetProperty @Object,  
        N'HostName';  
    IF @HR <> 0 GOTO CLEANUP  
  
    -- Get a property by calling the method.  
    EXEC @HR = sp_OAMethod @Object,  
        N'HostName',  
        @Property OUT;  
    IF @HR <> 0   
        GOTO CLEANUP  
    ELSE  
        PRINT @Property;  
  
    -- Call the connect method.  
    -- SECURITY NOTE - When possible, use Windows Authentication.  
    EXEC @HR = sp_OAMethod @Object,  
        N'Connect',  
        NULL,  
        N'localhost',  
        NULL,  
        NULL;  
    IF @HR <> 0 GOTO CLEANUP  
  
    -- Call a method that returns a value.  
    EXEC @HR = sp_OAMethod @Object,  
        N'VerifyConnection',  
        @Return OUT;  
    IF @HR <> 0  
        GOTO CLEANUP  
    ELSE  
        PRINT @Return;  
END  
  
CLEANUP:  
-- Check whether an error occurred.  
IF @HR <> 0  
BEGIN  
    -- Report the error.  
    EXEC sp_OAGetErrorInfo @Object,  
        @Source OUT,  
        @Desc OUT;  
    SELECT HR = convert(varbinary(4),@HR),  
        Source=@Source,  
        Description=@Desc;  
END  
  
-- Destroy the object.  
BEGIN  
    EXEC @HR = sp_OADestroy @Object;  
    -- Check if an error occurred.  
    IF @HR <> 0   
    BEGIN  
        -- Report the error.  
        EXEC sp_OAGetErrorInfo @Object,  
        @Source OUT,  
        @Desc OUT;  
        SELECT HR = convert(varbinary(4),@HR),  
        Source=@Source,  
        Description=@Desc;  
    END  
END  
  
END_ROUTINE:  
RETURN;  
GO

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