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Care to explain? I haven't hear about it.
by pdelgallego 15y ago
Care to explain? I haven't hear about it.
- tomeric 15y agoThe IdentityMap makes sure that there is only 1 ActiveRecord instance for a given row in the database. This basically means that calling Article.find(3) and Comment.where(:article_id => 3).first.article both return the same instance.
- ctide 15y agohttp://edgerails.info/articles/what-s-new-in-edge-rails/2011/04/21/activerecord-identity-map/index.html http://edgerails.info/articles/what-s-new-in-edge-rails/2011... is a good synopsis of IdentityMap.