Easy to Overlook Way to Break Eager Loading in Rails Apps

13-Jan-2023 847
In theory, configuring eager loading to avoid N 1 issues is straightforward. Chaining includes method is usually enough to ensure that all the relations data is fetched efficiently. However, this rule breaks for some easy-to-overlook edge cases. In this blog post, I’ll describe how to eager load ActiveRecord relations using custom SQL ORDER BY sorting.
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