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| msg from MQOutput node carry same PutTime as in MQInput node |
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| pcelari |
 Posted: Thu Sep 13, 2007 11:18 am Post subject: msg from MQOutput node carry same PutTime as in MQInput node |
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Chevalier
Joined: 31 Mar 2006
Posts: 411
Location: New York
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I didn't realize this behavior until I log both input and output msg. It's a simple msgflow with one MQInput, three compute, and one MQOutput node. The compute nodes invokes three different remote stored procedures to get data and populate the output msg.
It is very fast, but it take over 100 ms to get the data, so in no way they can bear the same PutTime. But that's what the msg carry. I even explicily set the PutTime as Current_GMT, but everything is still the same.
Any idea what am I missing?
thanks for your insight.
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pcelari
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- a master of always being a newbie |
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| jefflowrey |
| Posted: Thu Sep 13, 2007 11:22 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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CURRENT_GMT is always going to return the same time within a flow, no matter at what point in that flow you call it.
You can try clearing MQMD.PutTime before you output the message and make sure that you don't SetAll or SetContext.
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| pcelari |
| Posted: Thu Sep 13, 2007 6:32 pm Post subject: |
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Chevalier
Joined: 31 Mar 2006
Posts: 411
Location: New York
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Could you explain what you mean by "clearing", I've got the set some value, or should I set it to 0?
I thought setAll means reset all, while passAll is keep original values.
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pcelari
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| jefflowrey |
| Posted: Thu Sep 13, 2007 7:41 pm Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Yeah, maybe that didn't make as much sense as it could have. 
The intent is to cause the qmgr to create a new PutTime. If you specify SetAll or SetContext, you're telling the qmgr not to do that. On the other hand, you're also telling broker to set the fields to, umm, what you've set them to.
I think what you should do is use Default instead of SetAll or SetContext or PassAll. Then clear as many of the MQMD fields as you can and still save the information you need - by setting them to Null. Default tells Broker to tell Qmgr to create a new MQMD.
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