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MQSeries.net Forum Index » Workflow Engines - IBM MQ Workflow & Business Process Choreographer » Clearing 2nd message in a 10 message queue

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srinivasraom
PostPosted: Tue Oct 24, 2006 10:07 pm    Post subject: Clearing 2nd message in a 10 message queue Reply with quote

Apprentice

Joined: 18 May 2006
Posts: 31
I want to clear a 2nd message in a queue containing 10 messages. How can i do this?
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hos
PostPosted: Tue Oct 24, 2006 11:15 pm    Post subject: Reply with quote

Chevalier

Joined: 03 Feb 2002
Posts: 470
You can't do this.
Replay the first message and then delete the next one.
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srinivasraom
PostPosted: Tue Oct 24, 2006 11:36 pm    Post subject: Reply with quote

Apprentice

Joined: 18 May 2006
Posts: 31
tell me any alternative to do this.
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zpat
PostPosted: Wed Oct 25, 2006 3:58 am    Post subject: Reply with quote

Jedi Council

Joined: 19 May 2001
Posts: 5866
Location: UK
Of course you can do it, with your own code something like this:

MQCONN
MQOPEN MQOO_INPUT
MQGET MQGMO_BROWSE_NEXT+MQGMO_LOGICAL_ORDER
MQGET MQGMO_BROWSE_NEXT+MQGMO_LOGICAL_ORDER
MQGET MQGMO_MSG_UNDER_CURSOR
MQCLOSE
MQDISC

This would remove the 2nd message from the queue. Read the Websphere MQ Application Programming Guide, there is a large section all about message order and retrieval.
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Vitor
PostPosted: Wed Oct 25, 2006 4:07 am    Post subject: Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
Or use the MO71 support pack to unload the 10 messages from the queue, edit the file to remove the 2nd message & reload it.
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Honesty is the best policy.
Insanity is the best defence.
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