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Posted to github@arrow.apache.org by "felipecrv (via GitHub)" <gi...@apache.org> on 2024/07/09 00:46:18 UTC

Re: [I] [Java] MapVector cannot be loaded via IPC [arrow]

felipecrv commented on issue #42218:
URL: https://github.com/apache/arrow/issues/42218#issuecomment-2215838854

   > We should get it from the vector, yes. They are _recommended_ to be "key" and "value" but it is not meant to be required
   > 
   > https://github.com/apache/arrow/blob/d28078d80e7fe7ff93e4b8a9a331ec4ba4648bf1/format/Schema.fbs#L126-L129
   
   "this is not enforced" doesn't mean it's not assumed in a lot of places.
   
   It's one of these cases where in theory you can use any name, but in practice, there is a de-facto standard.


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