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https://issues.apache.org/jira/browse/ARROW-5033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17613847#comment-17613847
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Steve M. Kim commented on ARROW-5033:
-------------------------------------

As part of this feature request, do we contemplate generating a [JSON 
Schema|https://json-schema.org/] from a Arrow table schema? Given an Arrow 
schema and record batches, it would be useful to get a JSON schema and a 
sequence of JSON objects that conform to that schema. This would also 
facilitate testing the correctness of the Arrow JSON writer.

> [C++] JSON table writer
> -----------------------
>
>                 Key: ARROW-5033
>                 URL: https://issues.apache.org/jira/browse/ARROW-5033
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Ben Kietzman
>            Priority: Minor
>
> Users who need to emit json in line delimited format currently cannot do so 
> using arrow. It should be straightforward to implement this efficiently, and 
> it will be very helpful for testing and benchmarking



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