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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Anonymous Reference, creating PCF message & debug mode

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AndyT
PostPosted: Wed Mar 07, 2007 10:56 am    Post subject: Anonymous Reference, creating PCF message & debug mode Reply with quote

Novice

Joined: 05 Nov 2003
Posts: 17
Location: Work
Using the technique published in an earlier thread http://www.mqseries.net/phpBB2/viewtopic.php?t=23254&highlight=pcf+esql I have created a flow that formats and sends a PCF request message. However, after reading the help on anonymous field references, I am not clear on how the 'parameters' in the message are getting created.

This code results in six fields in the final output message for the first parameter structure.
Code:

DECLARE refRequest REFERENCE TO OutputRoot.MQPCF;
...
SET refRequest.Parameter[1] = MQCA_Q_NAME;
SET refRequest.Parameter[1].*   = inObjName;


When I step through the ESQL in debug mode I see Parameter[1] given value 2016 (MQCA_Q_NAME) but nothing else until I execute
Code:
SET OutputRoot.BLOB.BLOB = ASBITSTREAM(OutputRoot.MQPCF);


After that statement the first Parameter structure in the output message contains:
X'00000004' - MQCFT_STRING
X'00000028' - Length of the parameter structure
X’000007E0' - MQCA_Q_NAME
X’00000333’ - CCSID (819)
X’00000012’ - Length of the inObjName variable
Hex representation of inObjName

At what point are the fields that I do not explicitly set being created?
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jefflowrey
PostPosted: Thu Mar 08, 2007 5:41 am    Post subject: Reply with quote

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Joined: 16 Oct 2002
Posts: 19981
I'm sure they're being created by the MQPCF parser.
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I am *not* the model of the modern major general.
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