Kukei.eu/inspire:
Two ways for testing preloading/eager-loading of ActiveRecord associations in Rails | Arkency Blog
As a developer who cares about performance you know to avoid N+1 queries by using #includes, #preload or #eager_load methods . But is there a way of checking out that you are doing your job correctly and making sure that the associations you expect to be preloaded are indeed? How can you test it? T…





