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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / Table extension - impa...
Finance | Project Operations, Human Resources, ...
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Table extension - impact on standard

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Posted on by Yuji 4,131

Hi,

We got an issue when extending the standard table.

We create a table extension, and add some mandatory field. When we test our customization, all good on the custom form. However we did not realize this table is also on other standard forms. So this cause some standard forms issues, the users have to fill in the mandatory field values. 

My questions, how to evaluate what the impacts on creating this kind of standard table extensions?

Thanks,

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  • Suggested answer
    nmaenpaa Profile Picture
    nmaenpaa 101,160 Moderator on at
    RE: Table extension - impact on standard

    You need to be careful when adding mandatory fields in standard tables. As mentioned, any standard code (in current or upcoming versions) that writes data to this table might now produce invalid data. Same applies to any ISV solution that you might be using.

    There could be alternative ways to solve your business requirement. Your new field will only be used in processes that you developed/extended, so one option is to add a check in these processes, and fail the process if the mandatory information is missing. And/or add a "soft validation" in the table to show a warning if user attempts to enter data without specifying value in your field.

  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 236,039 Most Valuable Professional on at
    RE: Table extension - impact on standard

    There is no magical solution - you must think about what you're doing.

    The impact of adding a mandatory field should be pretty clear - users are required to fill in this field, all code creating new records must fill in this field as well and all existing records are invalid (unless you update the data) because that lack values in the mandatory field.

  • Verified answer
    Sergei Minozhenko Profile Picture
    Sergei Minozhenko 23,093 on at
    RE: Table extension - impact on standard

    Hi

    You need to check cross-references for the table and analyze the output, table (or any other object) could be used not only on forms but on entities and in code directly and modification like new mandatory field could break a lot.

    BR, Sergei

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