[GitHub] [arrow] chrish42 commented on pull request #7110: ARROW-8952: [C++] WIP Support for textual, JSON schema representation

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chrish42 commented on pull request #7110:
URL: https://github.com/apache/arrow/pull/7110#issuecomment-705827477


   Hiya folks. I am still working on this somewhat regularly. I have code for ToJson too... except I get a crash there, and most of the work is understanding Flatbuffers and why that code is crashing. I'll at least push a new version of the code next week with that (thought I had already done so), after I've merged with the latest changes. Basically, the `GetSchema()` function in `metadata_internal.cc` doesn't seem to be an exact inverse of the `SchemaToFlatbuffer()` function in that same file. But there were some improvements in that area (seeing a `FieldToFlatbufferVisitor` class there, for one), and I understsand Flatbuffers and the Arrow code a bit better now, so maybe I'll be able to figure out it. Either way, I'll push my latest next week, and you folks can have a look. But nothing's been happening on the pull request because almost all the work has been debugging.


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