SQL Server实现用触发器捕获DML操作的会话信息【实例】

USE [AdventureWorks2014]

GO

 

IF NOT EXISTS (SELECT 1 FROM sys.sysobjects WHERE id=object_id(N'[dbo].[TEST]') AND OBJECTPROPERTY(id, N'IsTable')=1 )

BEGIN

CREATE TABLE [dbo].[TEST](

  [OBJECT_ID] [INT] NOT NULL,

  [NAME] [VARCHAR](8) NULL,

  CONSTRAINT PK_TEST  PRIMARY KEY (OBJECT_ID)

) 

END

GO

 

INSERT INTO dbo.TEST

SELECT 1, 'kerry' UNION ALL

SELECT 2, 'jimmy'

ALTER TABLE TEST ADD [HOST_NAME] NVARCHAR(256)

ALTER TABLE TEST ADD [PROGRAM_NAME] NVARCHAR(256);

ALTER TABLE TEST ADD LOGIN_NAME NVARCHAR(256);

 

CREATE TRIGGER TRG_TEST ON dbo.TEST AFTER 

INSERT,UPDATE

AS 

 

IF (EXISTS(SELECT 1 FROM INSERTED))

BEGIN

 

  UPDATE dbo.TEST

  SET   dbo.TEST.[HOST_NAME] = ( SELECT host_name

                   FROM  sys.dm_exec_sessions

                   WHERE session_id = @@SPID

                  ) ,

      dbo.TEST.PROGRAM_NAME = ( SELECT  program_name

                   FROM   sys.dm_exec_sessions

                   WHERE   session_id = @@SPID

                  ) ,

      dbo.TEST.LOGIN_NAME = ( SELECT login_name

                  FROM  sys.dm_exec_sessions

                  WHERE  session_id = @@SPID

                 )

  FROM  dbo.TEST t

      INNER JOIN INSERTED i ON t.OBJECT_ID = i.OBJECT_ID

END

GO

INSERT INTO dbo.TEST(OBJECT_ID,NAME)

SELECT 3,'ken'

 

UPDATE dbo.TEST SET NAME='Richard' WHERE OBJECT_ID=2;

INSERT INTO dbo.TEST

SELECT 3,'ken'

USE [AdventureWorks2014]

GO

 

DROP TABLE dbo.[TRG_TEST_SESSION_INFO];

GO

 

IF NOT EXISTS (SELECT 1 FROM sys.sysobjects WHERE id=object_id(N'[dbo].[TRG_TEST_SESSION_INFO]') AND OBJECTPROPERTY(id, N'IsTable')=1 )

BEGIN

CREATE TABLE [TRG_TEST_SESSION_INFO](

  [ID]        INT NOT NULL IDENTITY(1,1),

  [OBJECT_ID]    INT,

  [HOST_NAME]    NVARCHAR(256),

  [PROGRAM_NAME]   NVARCHAR(256),

  [LOGIN_NAME]    NVARCHAR(256),

  CONSTRAINT PK_TRG_TEST_SESSION_INFO  PRIMARY KEY (ID)

) 

END

GO

 

CREATE TRIGGER TRG_TEST_SESSION ON dbo.TEST

AFTER INSERT ,UPDATE

AS

 

IF (EXISTS(SELECT 1 FROM INSERTED))

BEGIN

 

  /*

  INSERT INTO dbo.[TRG_TEST_SESSION_INFO]

  SELECT (SELECT I.OBJECT_ID FROM INSERTED I), HOST_NAME,program_name,login_name

                   FROM  sys.dm_exec_sessions

                   WHERE session_id = @@SPID*/

  INSERT INTO dbo.[TRG_TEST_SESSION_INFO]

  SELECT I.OBJECT_ID, S.HOST_NAME,S.PROGRAM_NAME,S.LOGIN_NAME

                   FROM  sys.dm_exec_sessions s,

                      Inserted i

                   WHERE session_id = @@SPID

 

 

END

GO