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Type:
Bug
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Resolution: Fixed
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Priority:
Unknown
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Affects Version/s: None
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Component/s: BSON
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Labels:None
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Fully Compatible
Per jmikola , if a hash that contains $ref but not $id is deserialized , it produces a DBRef that has a nil $id:
irb(main):004:0> b={'$ref'=>'x'}
=> {"$ref"=>"x"}
irb(main):005:0> Hash.from_bson(BSON::ByteBuffer.new(b.to_bson.to_s))
=> #<Mongo::DBRef:0x000055f8a0fd8ec0 @collection="x", @id=nil, @database=nil>
irb(main):006:0> Hash.from_bson(BSON::ByteBuffer.new(b.to_bson.to_s)).as_json
=> {"$ref"=>"x", "$id"=>nil}
Note the $id field is also added where there wasn't one previously.