Need help with AML query to connect two independent ItemTypes via referencing item

Hi community,

I am working on an AML query but cannot find a proper solution. It contains a lot of custom ItemTypes, but technically the query would work similar like this:

START--------> Part 
---------------------> Part BOM
--------------------------> Part
<------------- MyCustomItemType (part_id) <-------- GOAL is to get properties of this referencing item

We start from Part and go downwards to get the complete BOM. Easy.

Now I have a second independent ItemType "MyCustomItemType" that also uses Part inside an item property. I want to include this custom ItemType to the query to fetch some additional data. In my case the end result shall combine BOM information with warehouse specific data. 

Problem: "MyCustomItemType" is not included in the "natural downward path" of Parts. And I want to avoid to include it at all costs. The data is federated and shall only be fetched on demand. So we have only a true reference from "MyCustomItemType" to Part, but no real reference form "Part" to "MyCustomItemType". 

Question: How can I get the data of MyCustomItemType when we start from the top part? Is this possible at all?

Interesting detail: When we use a Query Definition these kind of "inverted" queries would be possible by "using referencing item". Is something similar possible with plain AML?

Thanks for any hint!

Angela

Parents
  • Hi Eli,

    thanks for the ideas! I made some progress and at the same time you opened Pandora's box.Joy

    The original idea was that I reuse my custom "all-purpose-all-in-one view". It´s a single Method that renders the result of an AML query to a simple table in a pop-up window. See following example. It uses a AML query to collect all documents hidden in the multiple BOM levels:

    That´s why I asked for the plain AML query - cause I wanted to use the same building technique to "save time" (worked well so farSmile). 

    As this kind of rendering is basically a simplified QD/TGV clone, there is of course nothing wrong with using the original QD/TGV combo. The resulting view is basically the same and QDs can deal with referencing items. Perfect!

    Quote: Out of curiosity - do you have any constraints preventing you from using a Query Definition in this scenario? 

    There were none - before I tested it. In my environment it doesn't work, but it´s not the fault of Innovator. It´s my federated data that I pull via an onGet query.

    My current federation solution is optimized to display federated data in the client (including grid relevant functionality like filter options, paging, etc.). See: Best way to highlight (fully) federated data in grids and views? 

    Now I learned that my federated data isn't perfect enough for AML queries. My "crafted" item properties mainly consist of id and keyed_name. With id and keyed_name they work as clickable links in grid and Forms, but they doesn't work in QDs.
    I think we can tell the reason when we look a the data structure of similar ItemTypes (like Manufacturer Part with the Manufacturer item property). Typically item properties use a bit more data:

    I am right now a bit unsure of what to do. 

    - Use an additional server Method (as you suggested)
    - Rework my federation solution so I can use QD?
    - Make an additional federated view that already contains all the data?
    - I also got some ideas from another community member that I don´t need to over engineer everything and there is nothing wrong in using more than one AML query to get the data.

    I think I'll let the problem sit for a while and hope it resolves itself.  It´s a fun challenge, but it´s just there because my users are spoiled. In the past people would have been totally fine with an SSRS report for this kind of view.Joy

    Edit: In QD I right now get following error message when testing the query:  <faultstring>Item attribute 'itemTypeName' not set !</faultstring> . In only appear when my custom federated ItemType is included. For testing purposes I added various additional attributes, but couldn´t get rid of the error message.

Reply
  • Hi Eli,

    thanks for the ideas! I made some progress and at the same time you opened Pandora's box.Joy

    The original idea was that I reuse my custom "all-purpose-all-in-one view". It´s a single Method that renders the result of an AML query to a simple table in a pop-up window. See following example. It uses a AML query to collect all documents hidden in the multiple BOM levels:

    That´s why I asked for the plain AML query - cause I wanted to use the same building technique to "save time" (worked well so farSmile). 

    As this kind of rendering is basically a simplified QD/TGV clone, there is of course nothing wrong with using the original QD/TGV combo. The resulting view is basically the same and QDs can deal with referencing items. Perfect!

    Quote: Out of curiosity - do you have any constraints preventing you from using a Query Definition in this scenario? 

    There were none - before I tested it. In my environment it doesn't work, but it´s not the fault of Innovator. It´s my federated data that I pull via an onGet query.

    My current federation solution is optimized to display federated data in the client (including grid relevant functionality like filter options, paging, etc.). See: Best way to highlight (fully) federated data in grids and views? 

    Now I learned that my federated data isn't perfect enough for AML queries. My "crafted" item properties mainly consist of id and keyed_name. With id and keyed_name they work as clickable links in grid and Forms, but they doesn't work in QDs.
    I think we can tell the reason when we look a the data structure of similar ItemTypes (like Manufacturer Part with the Manufacturer item property). Typically item properties use a bit more data:

    I am right now a bit unsure of what to do. 

    - Use an additional server Method (as you suggested)
    - Rework my federation solution so I can use QD?
    - Make an additional federated view that already contains all the data?
    - I also got some ideas from another community member that I don´t need to over engineer everything and there is nothing wrong in using more than one AML query to get the data.

    I think I'll let the problem sit for a while and hope it resolves itself.  It´s a fun challenge, but it´s just there because my users are spoiled. In the past people would have been totally fine with an SSRS report for this kind of view.Joy

    Edit: In QD I right now get following error message when testing the query:  <faultstring>Item attribute 'itemTypeName' not set !</faultstring> . In only appear when my custom federated ItemType is included. For testing purposes I added various additional attributes, but couldn´t get rid of the error message.

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