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Type:
Bug
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Resolution: Duplicate
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Priority:
Major - P3
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None
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Affects Version/s: 7.1.2
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Component/s: Query
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None
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Environment:Rails 6.0.3.2, Ruby 2.7.1, MongoDB 4.2.8
We migrated from Mongoid 7.0.8 to 7.1.2. After the migration, accessing any attribute on the embedded document after fetching the parent with Model.only(:attribute_name) raises MissingAttributeError even though the embedded document was not fetch with only. Looking at <embedded_document>.attributes show that the attributes are fetched.
The following code show the error:
class Parent include Mongoid::Document include Mongoid::Timestamps field :first_name, type: String field :last_name, type: String embeds_many :children end class Child include Mongoid::Document include Mongoid::Timestamps field :first_name, type: String field :last_name, type: String embedded_in :parent end child = Child.new(first_name: 'xc', last_name: 'yc') parent = Parent.new(first_name: 'xp', last_name: 'yp') parent.children parent.children << child parent.save pa = Parent.where(first_name: 'xp').only(:children).first # this line worksputs pa.children[0].attributes[:_id] # prints the id of the document # this line raises MissingAttributeErrorpa.children[0]._id # raises MissingAttributeError
- duplicates
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- Closed
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