Convert process flow to script

Hi all
Today is one of the days.. the brain stop processing logic

I need to do some batch process.
First I need to check if the position are completed with refrence to a header record.

I do this with a batch: exec sp_BuyersCheckPosition @TransID, @CustomerNr, @PosCheck OUTPUT      

If the position is not yet complete, I check if the time  since creation has elapse for 5 mins.
I process the batch.. If the condition is not yet met .. I will exit the execution..

Note..  If the position is complete, there is no need to check the time..  But if the position is not complete .. then check if the waiting time of 5 mins has elapse before processing the batch.


Process Flow
IF EXISTS(SELECT CreateDate FROM Customer_H 	WHERE (TransID = @TransID 
				AND  CreateDate < (select  DATEADD(mi, -2, GETDATE())) ))
				BEGIN
					@TimeCheck = 1
				END
			exec sp_BuyersCheckPosition @TransID, @CustomerNr, @PosCheck OUTPUT	
			IF (@PosCheck = 1 OR @TimeCheck = 0) 
			BEGIN
				Do my Batch thing
			End

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ZURINETAsked:
Who is Participating?
 
David ToddConnect With a Mentor Senior DBACommented:
Hi,

Here is how I'd code it.

declare @isOkayToExit bit
set @isOkayToExit = 0

while not @isOkayToExit begin
	set @isOkayToExit = 1

	exec sp_BuyersCheckPosition @TransID, @CustomerNr, @PosCheck OUTPUT	

	if @PosCheck != 1 begin
		IF EXISTS(
			SELECT CreateDate 
			FROM Customer_H 	
			WHERE 
				(TransID = @TransID 
				AND  CreateDate < (select  DATEADD(mi, -5, GETDATE())) ) -- I think the dateadd should be -5 not -2
				)
		BEGIN
			@TimeCheck = 1
		END else begin
			@isOkayToExit = 0
			-- http://technet.microsoft.com/en-us/library/ms187331.aspx
			waitfor delay '0:02:00'
			continue

	end

	IF (@PosCheck = 1 OR @TimeCheck = 1) BEGIN -- I think that the check should be is @TimeCheck = 1
		--set @isOkayToExit = 1
		Do my Batch thing
	End 
end

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Regards
  David
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