Clarification needed in Mapping Display Queue

I am trying out a simple message mapping explained in one of
the blog.
My issue is when testing the Mapping , the display queue window displays the the values on the Context Change line also.That is, the grey color also carrys the previous value .
I believe the CC's should shold be a empty value .Any reason why I am seeing the values.
Thanks

Hi,
Technically speaking, the XML instance is imported into the queues before the target field mappings are processed. The contexts are separated in the queue by a context change.
Thus The Context change will contain the previous value of the field in supressed format.
It will inform about the previous position of the context change.
The Context change is can be used in Advanced User Defined Functions
/people/sravya.talanki2/blog/2005/12/08/message-mapping-simplified-150-part-ii
/people/harrison.holland5/blog/2006/12/08/mapping-context-changes-in-xi
Thanks
Swarup
Edited by: Swarup Sawant on Feb 25, 2008 10:53 AM

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Message mapping - Display queue

Hello,
In the Enterprise Service Builder of PI 7.1, I go to message mapping and choose "display queue" to test the result of a mapping but nothing happens. I receive a blank popup without any results. It's the same for all mappings. Note that we have just upgraded from XI 3.0 to PI7.1
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Edited by: Olivier Vanderperre on Oct 14, 2008 8:11 AM

Hello,
Thanks for your help.
Test data are provided, all fields are complete and the target field is not disabled..
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Message Mapping(Display queue and Suppress Value)

Hi Experts,
In Message Mapping(graphical mapping), upon checking the properties of the nodes,there's one property display queue, in which suppress is there??
What does it mean?? Which queue it points and what value is suppressed??
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Hi Sushama,
SUPPRESS means no value.
suppose we are checking one condition (tdid = "RE" then pass tdline) based on the condition we will send one output. if the condition fails then suppress value goes to the target.
> What does it mean?? Which queue it points and what value is suppressed??
es: if(tdid.equals("WE") ifwithoutelse pass tdline value as output. [tdid is in E1EDKA1 segment and this segment occurance is multiple]
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Display queue in message mapping

Hi ,
I need to know the function of ' display queue ' in message mapping . How do i go about it.
Please help.
Thanx nd regards ,
Srestha

Hi,
Whenever you do a graphical mapping you can see the intermediate result in the display queue. When you test your input using the test tab of Message Mapping, you can get only the end result (if it is successfull) or an error. You can debug the error by seeing the display queue of each and every elements involved in that specific mapping. Display quue will consists of :
1) Input (in) to the function
2) Output (out) from the function
3) Conext change
4) SNo. (optional)
Hope you got an idea
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Hi Folks,
If i check my Target Field (DT_Req) (Display queue) in Message Mapping, I am getting 2 values like ie [] that means ....in my test result in MM, i should get 2 times DT_Req field.
Is it right?
Plz give some idea how this display queue works on each field?
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Edited by: Prabaharan on Sep 10, 2008 12:22 AM
Edited by: Prabaharan on Sep 10, 2008 12:24 AM

Hi,
In my scenario occurrence of that
target field is 0...unbounded
and in my display queue.. Initially it is
suppress, [], suppress, suppress, suppress,suppress,suppress,suppress,suppress,suppress, [],suppress
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Display queue in th emessage mapping

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i just want to know about the proper reason on why the pi developers do the display queue in the message mapping programs of every interface that they develope.if so how we can do the proper display queue,as it is displaying in irregular format when i click on display queue especially after testing with the sample xsd under test tab.
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HI verma,
With display Queue u can actually check for:
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2) If any functions used in the mapping, then u can display what r the inputs to that function and what is the output of that function.
Ex: If u use remove context function to map the fileds, then by displaying the Queue of target filed, u can easilly see the context changes.
Display the Queues of sorce and target fileds. u can easilly find the difference.
If u use split by value, then u can see the extra context changes for the target field.
3) Where exactky the mapping is throwing exception (at what field) i.e., if u right click on any field and if u click display Queue,: if the queue is displayed then at that point the mapping is working fine, but if it has error then by selecting display queue it throws the exception there itself. Hence we can make sure that the mapping is failing at that particular fleld.
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Display queue context doesn't corresponde to elements in output

Hi people,
just a suggestion from you because I don't know any more where to see.
I realized a mapping in which I have to manipulate the contextes for an element.
It's happen that watching the context by the Display Queue the number of contextes in output is correct;
running the mapping in Test mode the elements created is different.
Why the two behaviours could be so differents?
Please, I need a suggestion to continue.
Ciao
Nicola
Edited by: Nicola Martella on Jan 21, 2011 9:09 PM

Ok, it follows my need.
I have in inbound this structure:
<item> (1..*)
<rec> (1..1)
    <typerec>1</typerec>
<rec> (1..*)
    <typerec>2</typerec>
    <text>
    <lang>
<rec> (1..*)
    <typerec>3</typerec>
In outbound I have this structure
<master> (1..*)
<rk1> (1..1)
<rk2> (1..*)
    <recty>
    <text>
    <lang>
<rk3> (1..*)
The field-to-field relation is:
<rec><typerec>1</typerec> --> <rk1> same cardinality
<rec><typerec>2</typerec> --> <rk2> different cardinality
<rec><typerec>3</typerec> --> <rk3> same cardinality
The context change is between rec(typerec(2)) and rk2.
Each rec(typerec(2)) contains text and language and rec(typerec(2)) are sorted for language.
rk2 has to concatenate the text for the same language; so, for all rec(typerec(2)) with same <lang> I have to obtain just a rk2 with all rec(typerec(2))-text concatenated.
An example is follow:
INBOUND
<item>
<rec>
    <typerec>1</typerec>
</rec>
<rec>
    <typerec>2</typerec>
    <text>AAA</text>
    <lang>E</lang>
</rec>
<rec>
    <typerec>2</typerec>
    <text>BBB</text>
    <lang>E</lang>
</rec>
<rec>
    <typerec>2</typerec>
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    <lang>I</lang>
</rec>
<rec>
    <typerec>2</typerec>
    <text>DDD</text>
    <lang>I</lang>
</rec>
<rec>
    <typerec>2</typerec>
    <text>EEE</text>
    <lang>S</lang>
</rec>
<rec>
    <typerec>3</typerec>
</rec>
OUTBOUND
<master>
<rk1>
</rk1>
<rk2>
    <text>AAABBB</text>
    <lang>E</lang>
</rk2>
<rk2>
    <text>CCCDDD</text>
    <lang>I</lang>
</rk2>
<rk2>
    <text>EEE</text>
    <lang>S</lang>
</rk2>
<rk3>
</rk3>
In this case, the display queue shows me 3 rk2 context (one for language) but in the test mode I have just the first two rk2 context and missing the last
<rk2>
    <text>AAABBB</text>
    <lang>E</lang>
</rk2>
<rk2>
    <text>CCCDDD</text>
    <lang>I</lang>
</rk2>
I hope to be been syntetic and clear in the exposition.

Display queue shows values but not in test tab

Hi,
We have a mapping scenario where we need to duplicate nodes and create the second node based on the coditions. The second node is a duplicate of the first node. The second node has the same mapping as the the node it was duplicated from. While testing the mapping in Display queue the values are coming in correctly for the duplicate node but during the testing in the test tab, the duplicate node values are missing. Context seems right but not sure why the duplicate node mapping does not work during testing?
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May i know how this Display queue usefull in Message mapping..
what is the use of this display Queue

Display Queue:
Displays the queue for a field or a function for complete target field mappings, if an XML instance has been loaded or entered on the Test tab page. The result queue is displayed for functions, while the results values are displayed for target fields before they are written to the target structure. The target structure specifies which values are taken from this queue, for example, depending on the occurrence value specified in the target structure.
You can display multiple queues in parallel in separate windows. Within a queue window, you can update the queue, and number the entries of the queue consecutively.
Introduction to queues in message mapping
http://help.sap.com/saphelpnw04/helpdata/en/3c/5d70b7d21e478fa569fec37325b9f6/frameset.htm
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Clarification needed in Mapping Display Queue

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