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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: 7.0.12, 7.2.2
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Component/s: None
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None
Given those models :
class Article include Mongoid::Document has_many :comments, autosave: true end class Comment include Mongoid::Document belongs_to :article end
When we create an article with comment_ids before id, the relation aren't correctly bound after reloading. Here is an example :
comment = Comment.create
article = Article.create(
comment_ids: [comment.id],
id: '123',
)
pp article.comments.count #=> 1
pp article.comments.criteria.selector['article_id'] # => Gives a random id
pp article.comments.context.view.count # => 1
article.reload
pp article.comments.count # => 0
pp article.comments.criteria.selector['article_id'] #=> '123'
pp article.comments.context.view.count # => 0
As you can see, comments are empty after reloading. If we set the id before the comment_ids, this is correct :
comment = Comment.create
article = Article.create(
id: '123',
comment_ids: [comment.id],
)
article.reload
pp article.comments.count # => 1
pp article.comments.criteria.selector['article_id'] # => '123'
pp article.comments.context.view.count # => 1
Another interesting fact, the behavior is different with Mongoid 6 and 7, as you can see with this code where I removed autosave and do a "manual" autosave :
comment = Comment.create
article = Article.create(
comment_ids: [comment.id],
id: '123',
)
article.comments.each do |comment|
comment.reload
comment.update(article: article)
end
pp article.comments.count # Gives 1 with Mongoid 6.2.1 and 0 with Mongoid 7.0.12
article.reload_relations
pp article.comments.count # Gives 1 in both versions.
The behavior should be the same if we set id after or before comments_ids.
- duplicates
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- Closed
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