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| ImqPutMessageOptions with MQPMO_SYNCPOINT |
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| starfish77 |
 Posted: Wed Nov 19, 2003 12:14 pm Post subject: ImqPutMessageOptions with MQPMO_SYNCPOINT |
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Apprentice
Joined: 07 Nov 2003
Posts: 31
Location: USA
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Can some body please tell me the significance of MQPMO_SYNCPOINT for
ImqPutMessageOptions. As far as I understand for GetMessage options, MQGMO_SYNCPOINT will participate in syncpoint. Do I need to set ImqPutMessageOptions with syncpoint if my GetMEssageOpotions are already setting it.
Also, another question. If I am using syncpoint for Getoptions and then I have call for PutOptions where I use Syncpoint, does than mean I am starting second Unit of work. DOn't I need to complete my transaction before second unit of work begins.
Appreciate ur response.. |
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| emiranda |
| Posted: Wed Nov 19, 2003 12:46 pm Post subject: |
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Disciple
Joined: 21 Nov 2002
Posts: 196
Location: Dublin, Ireland
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Hi,
Obviously you know MQGMO_SYNCPOINT is to GET a message and MQPMO_SYNCPOINT is to PUT a message...
So, what's the doubt? MQGMO_SYNCPOINT will make the GET participates into the UOW and MQPMO_SYNCPOINT will make the PUT participates...
Each MQ verb worksd like a separated thread, so each verb has its own UOW control (MQGET, MQPUT, MQCONN, etc), so the SyncPoint option of GET three's nothing with the PUT SyncPoint.
_________________
Warm Regards,
EM |
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| bower5932 |
| Posted: Wed Nov 19, 2003 1:47 pm Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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| Don't confuse the syncpoint options with the message persistent options. You can put non-persistent messages in a unit of work. You can also put persistent messages outside of a unit of work. However, as a general rule of thumb, if it is important enough to save (ie, persistent), it should probably be in a unit of work. |
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