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| Question on uniqueness of MQMD.MsgId |
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| prasadpav |
 Posted: Fri Sep 14, 2007 4:10 am Post subject: Question on uniqueness of MQMD.MsgId |
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Centurion
Joined: 03 Oct 2004
Posts: 142
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I'm writing a shell script to load queues with text files using MQO3 - Load/Unload support pack. Now these text files are created by unloading messages from a different queue.
If I load the queue with same text files twice, then the same message is appearing on the queue with the same MsgId. I thought when we put a message on queue, the MsgId must be unique. Or is the argument about unique MsgId is confined only to single transaction i.e. within a single transaction, all the messages which are put on a single queue must have different MsgId's.
Regards,
Prasad |
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| jefflowrey |
| Posted: Fri Sep 14, 2007 4:37 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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It seems that the unload process is saving the msgid in the file. Then, every time you load the file, it has the same id.
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| prasadpav |
| Posted: Fri Sep 14, 2007 4:46 am Post subject: |
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Centurion
Joined: 03 Oct 2004
Posts: 142
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Yes, it is saving the entire MQMD structure in the file. But should the queue manager throw an exception saying that both the messages have same MsgId?
Regards,
Prasad |
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| jefflowrey |
| Posted: Fri Sep 14, 2007 5:37 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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No.
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