Investigate support for data frames (polars-ruby)

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      The gem https://github.com/ankane/polars-ruby adds supports for Dataframes to Ruby. These are very useful for in-memory analytics on data, and are common in datascience.

      It would be useful to investigate Mongoid's support for dataframes. For example:

      • Add shortcut to output query results as a dataframe. In MONGOID-5411 there is a request to be able to specify Criteria output format something like:

       

      User.where(name: "Bob").as(:json)
      
      

      It would be useful to be able to do `as(:df)` as well.

      • Consider how projection mapping only/except works with data frames (I haven't tested it.)

       

              Assignee:
              Unassigned
              Reporter:
              Johnny Shields
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