add_to_set does not work with array of hashes/embedded documents

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    • Type: Task
    • Resolution: Done
    • Priority: Major - P3
    • 5.0.1
    • Affects Version/s: None
    • Component/s: None
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      Add_to_set does not work with array of hashes/embedded documents.
      For example:

      Model.create().add_to_set(data: [{a: 1}])

      gives: 

      NoMethodError: undefined method `metadata' for {:a => 1}:Hash

      and

      Model.create().add_to_set(data: [EmbeddedModel.new])

      gives: 

      NoMethodError: undefined method `__bson_dump__' for #<EmbeddedModel:>

      workaround:

      m = Model.create()
Model.collection.find(_id: m._id).update_all("$addToSet" => { data: {'$each' => [{a:1},{b:2}]} })

              Assignee:
              Emily Stolfo (Inactive)
              Reporter:
              Jurriaan Pruis
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                Created:
                Updated:
                Resolved: