T-SQL检查停止的复制作业代理，并启动

    有时候搭建的复制在作业比较多的时候，会因为某些情况导致代理停止或出错，如果分发代理时间停止稍微过长可能导致复制延期，从而需要从新初始化复制，带来问题。因此我写了一个脚本定期检查处于停止状态的分发代理，将其启动。

注：该脚本需要跑在分发服务器下的MSDB库中。

 

USE [msdb]

Create PROC [dbo].[CheckToRestartStopedAgentJob]

AS

    DECLARE @jobname VARCHAR(200)

    DECLARE jobname CURSOR

    FOR

        SELECT DISTINCT

                b.name AS MergeJobName

        FROM    distribution.dbo.MSdistribution_history a

                INNER JOIN distribution.dbo.MSdistribution_agents b ON a.agent_id = b.id

        WHERE   comments LIKE '传递了%'

    OPEN jobname

    FETCH NEXT  FROM jobname INTO @jobname

    WHILE @@FETCH_STATUS = 0

        BEGIN

                BEGIN

                    IF NOT EXISTS ( SELECT  *

                                    FROM    msdb..sysjobs

                                    WHERE   Name = @jobname )

                        BEGIN

                            PRINT 'Job does not exists'

                        END

                    ELSE

                        BEGIN

                            CREATE TABLE #xp_results

                                (

                                  job_id UNIQUEIDENTIFIER NOT NULL ,

                                  last_run_date INT NOT NULL ,

                                  last_run_time INT NOT NULL ,

                                  next_run_date INT NOT NULL ,

                                  next_run_time INT NOT NULL ,

                                  next_run_schedule_id INT NOT NULL ,

                                  requested_to_run INT NOT NULL , -- BOOL  

                                  request_source INT NOT NULL ,

                                  request_source_id SYSNAME

                                    COLLATE database_default

                                    NULL ,

                                  running INT NOT NULL , -- BOOL  

                                  current_step INT NOT NULL ,

                                  current_retry_attempt INT NOT NULL ,

                                  job_state INT NOT NULL

                                )  

                            INSERT  INTO #xp_results

                                    EXECUTE master.dbo.xp_sqlagent_enum_jobs 1,

                                        'sa'  

                            IF EXISTS ( SELECT  1

                                        FROM    #xp_results X

                                                INNER JOIN msdb..sysjobs J ON X.job_id = J.job_id

                                        WHERE   x.running = 1

                                                AND j.name = @jobname )

                                BEGIN

                                    PRINT 1

                                END

                            ELSE

                                BEGIN

                                    INSERT  INTO master.dbo.RestartMergeReplicationLog

                                            ( message ,

                                              errortime

                                            )

                                    VALUES  ( 'Job：' + @jobname

                                              + ' is not running,restarting......' ,

                                              GETDATE()

                                            )

                                    EXEC('EXEC dbo.sp_start_job  '''+@jobname+'''' )

                                END 

                            DROP TABLE #xp_results

                        END

            FETCH NEXT  FROM jobname INTO @jobname

        END

    CLOSE jobname

    DEALLOCATE jobname