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Status Not under consideration
Workspace COBOL Compilers
Categories z/OS
Created by Guest
Created on Feb 28, 2023

RELATED IDEAS

Add the ability to obtain ODO counter with the JSON PARSE statement

It would be really useful to us to be able to parse dynamic JSON arrays into ODO COBOL tables, with the JSON PARSE statement giving us the number of actual occurrences filled. Ideally by automatically update the ODO counter.

It would also be very handy if this was possible for imbricated dynamical arrays with different numbers of occurrences, which are very common in JSON.

As of now, when the API we call returns a dynamic JSON array, we need to declare a COBOL array with a large number of occurrences in order to be sure to retrieve all the data with the JSON PARSE statements.

But, in most cases, the JSON array will be way smaller than the max size of the COBOL array, and we will not know how many of its occurrences are actually populated.

The solution given in the COBOL documentation (https://www.ibm.com/support/knowledgecenter/en/SS6SG3_6.3.0/lr/ref/rlpsjsopd.html) is not really desirable, especially if the API returns multiple dynamic arrays.

Idea priority Medium
  • Admin
    Basil Kanneth
    Reply
    |     Apr 12, 2023

    This IDEA is a duplicate of COBOLVUE-I-312

    After further investigation, we have determined that this still isn't feasible in general for nested ODO tables. Real support for this would need to be provided through more general COBOL support for Dynamic capacity tables, which is not in plan at the moment.

    Since we do not plan to implement this within the next 12months, this Idea is being rejected for now. But this requirement will be kept in our internal backlog and might be reassessed in the future.

  • Admin
    Basil Kanneth
    Reply
    |     Mar 16, 2023

    This idea is being discussed further internally

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