How to start SQL Server job using TSQL and wait for it to complete?



If you ever had a need to start a SQL job using sp_start_job stored procedure in msdb then you know once the job is started successfully, it returns the control back to the user immediately and does not wait for the job to complete.

But what if you want your script to wait for the job to complete and then do some other stuff?


Here is a script I have written a while back that you can use to start any SQL job job. The script will wait for the job to complete and returns job completion code back to you.

I actually have this as a stored procedure but for the demo purpose here it is in a script format.

Hope you find this useful!




SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
SET NOCOUNT ON

DECLARE
@job_name SYSNAME = 'test',     -- INPUT YOUR JOB NAME HERE
@WaitTime DATETIME = '00:00:05',  -- default check frequency
@JobCompletionStatus INT


-- CHECK IF IT IS A VALID AND EXISTING JOB NAME

IF NOT EXISTS (SELECT * FROM msdb..sysjobs WHERE name = @job_name)
BEGIN
       RAISERROR ('[ERROR]:[%s] job does not exist. Please check',16, 1, @job_name) WITH LOG
       RETURN
END


DECLARE @job_id             UNIQUEIDENTIFIER
DECLARE @job_owner   sysname

--Createing TEMP TABLE
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)

SELECT @job_id = job_id FROM msdb.dbo.sysjobs WHERE name = @job_name

SELECT @job_owner = SUSER_SNAME()

INSERT INTO #xp_results EXECUTE master.dbo.xp_sqlagent_enum_jobs  1, @job_owner, @job_id

-- Start the job only if it is not already running
IF NOT EXISTS(SELECT TOP 1 * FROM #xp_results WHERE running = 1)
       EXEC msdb.dbo.sp_start_job @job_name = @job_name

-- Give it 2 seconds for think time.
WAITFOR DELAY '00:00:02'

DELETE FROM #xp_results
INSERT INTO #xp_results
EXECUTE master.dbo.xp_sqlagent_enum_jobs  1, @job_owner, @job_id

WHILE EXISTS(SELECT TOP 1 * FROM #xp_results WHERE running = 1)
BEGIN

       WAITFOR DELAY @WaitTime

       -- Display informational message at each interval
       raiserror('JOB IS RUNNING', 0, 1 ) WITH NOWAIT 

       DELETE FROM #xp_results

       INSERT INTO #xp_results
       EXECUTE master.dbo.xp_sqlagent_enum_jobs  1, @job_owner, @job_id

END

SELECT top 1 @JobCompletionStatus = run_status    FROM msdb.dbo.sysjobhistory   
WHERE job_id = @job_id     AND step_id = 0   
order by run_date desc, run_time desc   


IF @JobCompletionStatus = 1
       PRINT 'The job ran Successful'
ELSE IF @JobCompletionStatus = 3
       PRINT 'The job is Cancelled'
ELSE
BEGIN
       RAISERROR ('[ERROR]:%s job is either failed or not in good state. Please check',16, 1, @job_name) WITH LOG
END




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