RubyFlow The Ruby and Rails community linklog

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The Ruby and Rails community linklog

Made a library? Written a blog post? Found a useful tutorial? Share it with the Ruby community here or just enjoy what everyone else has found!

ActiveRecord Join Models Hash Themselves into Bad Performance

ActiveRecord’s hash method is broken for id-less (join) models, causing massive performance issues when dealing with non-trivial datasets. Here’s how we fixed it.

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