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  2. RPG400-L
  3. June 2006

Re: User Queue's


On 25/06/2006, at 9:58 AM, Alan G. Campin wrote:


This is probably a Scott Kelments question.

Using Scott's work as a base, I wrote a service program (XVUSRQ) to
Create, Delete, Get and Put Entries on a User Queue. When I was working
on it, I swear that there was a way with User Queues to retrieve the
messages from the queues and not have them removed from the queue.

Data Queues have an API you can call that will retrieve a data queue
entry without deleting it (QMHRDQM) but it is a bear. I thought that
capability was built right into the DEQ function but now I can't find
anything on it.

Was I just dreaming it?


No, you're not dreaming.
You'll need to materialize the queue attributes to find the current number of entries and entry sizes. Use MATQAT for this.
You'll need to materialize the queue entries to view them without removing them from the queue. Use MATQMSG for this. Note this will also tell you the number of messages on the queue at the time of the materialization plus message size and key size so you could skip MATQAT. 


Regards,
Simon Coulter.
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