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通过编程添加自动化作业

 2009-09-19 00:00:00 来源:WEB开发网   
核心提示:有时候看一些程序,他们在安装的时候,通过编程添加自动化作业,会在SQL Server里面创建一些特定的作业,以便为其执行自动化任务,我就在想,这是怎么做到的呢?我们以前一般都是通过SSMS的界面来完成这个事情的1. 通过T-SQL的方式

有时候看一些程序,他们在安装的时候,会在SQL Server里面创建一些特定的作业,以便为其执行自动化任务。我就在想,这是怎么做到的呢?我们以前一般都是通过SSMS的界面来完成这个事情的

1. 通过T-SQL的方式,基本上几个步骤:

add_job,add_job_step,add_job_schedule,add_job_server
USE [msdb] --所有的作业信息都是存储在msdb数据库的
GO 
/****** Object:  Job [syspolicy_purge_history]    Script Date: 04/29/2009 07:41:53 ******/
BEGIN TRANSACTION
DECLARE @ReturnCode INT
SELECT @ReturnCode = 0
/****** Object:  JobCategory [[Uncategorized (Local)]]]    Script Date: 04/29/2009 07:41:53 ******/
IF NOT EXISTS (SELECT name FROM msdb.dbo.syscategories WHERE name=N'[Uncategorized (Local)]' AND category_class=1)
BEGIN
EXEC @ReturnCode = msdb.dbo.sp_add_category @class=N'JOB', @type=N'LOCAL', @name=N'[Uncategorized (Local)]'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback 
END 
DECLARE @jobId BINARY(16)
EXEC @ReturnCode =  msdb.dbo.sp_add_job @job_name=N'syspolicy_purge_history', 
        @enabled=1, 
        @notify_level_eventlog=0, 
        @notify_level_email=0, 
        @notify_level_netsend=0, 
        @notify_level_page=0, 
        @delete_level=0, 
        @description=N'无描述。', 
        @category_name=N'[Uncategorized (Local)]', 
        @owner_login_name=N'sa', @job_id = @jobId OUTPUT
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Verify that automation is enabled.]    Script Date: 04/29/2009 07:41:54 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Verify that automation is enabled.', 
        @step_id=1, 
        @cmdexec_success_code=0, 
        @on_success_action=3, 
        @on_success_step_id=0, 
        @on_fail_action=1, 
        @on_fail_step_id=0, 
        @retry_attempts=0, 
        @retry_interval=0, 
        @os_run_priority=0, @subsystem=N'TSQL', 
        @command=N'IF (msdb.dbo.fn_syspolicy_is_automation_enabled() != 1)
        BEGIN
            RAISERROR(34022, 16, 1)
        END', 
        @database_name=N'master', 
        @flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Purge history.]    Script Date: 04/29/2009 07:41:54 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Purge history.', 
        @step_id=2, 
        @cmdexec_success_code=0, 
        @on_success_action=3, 
        @on_success_step_id=0, 
        @on_fail_action=2, 
        @on_fail_step_id=0, 
        @retry_attempts=0, 
        @retry_interval=0, 
        @os_run_priority=0, @subsystem=N'TSQL', 
        @command=N'EXEC msdb.dbo.sp_syspolicy_purge_history', 
        @database_name=N'master', 
        @flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Erase Phantom System Health Records.]    Script Date: 04/29/2009 07:41:54 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Erase Phantom System Health Records.', 
        @step_id=3, 
        @cmdexec_success_code=0, 
        @on_success_action=1, 
        @on_success_step_id=0, 
        @on_fail_action=2, 
        @on_fail_step_id=0, 
        @retry_attempts=0, 
        @retry_interval=0, 
        @os_run_priority=0, @subsystem=N'PowerShell', 
        @command=N'(Get-Item SQLSERVER:SQLPolicyTHINKERSQL2008).EraseSystemHealthPhantomRecords()', 
        @database_name=N'master', 
        @flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_update_job @job_id = @jobId, @start_step_id = 1
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_add_jobschedule @job_id=@jobId, @name=N'syspolicy_purge_history_schedule', 
        @enabled=1, 
        @freq_type=4, 
        @freq_interval=1, 
        @freq_subday_type=1, 
        @freq_subday_interval=0, 
        @freq_relative_interval=0, 
        @freq_recurrence_factor=0, 
        @active_start_date=20080101, 
        @active_end_date=99991231, 
        @active_start_time=20000, 
        @active_end_time=235959
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_add_jobserver @job_id = @jobId, @server_name = N'(local)'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
COMMIT TRANSACTION
GOTO EndSave
QuitWithRollback:
    IF (@@TRANCOUNT > 0) ROLLBACK TRANSACTION
EndSave: 
GO 

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Tags:通过 编程 添加

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