[GitHub] [arrow] mpelko commented on pull request #37166: GH-24868: [C++] Add a Tensor logical value type with varying dimensions, implemented using ExtensionType

["mpelko (via GitHub)" <gi...@apache.org>]

mpelko commented on PR #37166:
URL: https://github.com/apache/arrow/pull/37166#issuecomment-1728181658

   As part of a group working a lot with point clouds (radar and lidar data), this is something we are really looking for. Specifically, we are using arrow for the storage of the training data and so far dumping point cloud data as binary blob (pyarrow.binary type).
   
   All this to say `VariableShapeTensor` is *exactly* what we are looking for (in our case no need for `VariableDimensionTensor` so far).
   
   Thanks for the effort and looking forward to this landing and making it into the release!
   
   (happy to test or explain the use-case more if it helps in any way)


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