![]() One real world example where this is useful is when you are testing your application. ![]() As long as the repository adapter that gets swapped in adheres to the same interface,Įverything should be good to go. On data mapping and validation, and the ecto_sql library was able to focus on providing functionality for databaseĪnother thing to consider (which happens to be the focus of this article), is that your persistence layer adapter can be The ecto library was able to focus specifically Separation of the ecto and ecto_sql when Ecto 3 was released. InĪddition, the behavior of one, does not impose restrictions upon the other. The two are still able to work pleasantly together given that they share an agreed upon interface. The repository patten (in my opinion), is a very useful and pragmatic abstraction since it decouples your data from your You will be notified when new content is released! Why is the repository pattern useful? Let’s walk through this step by step with a real world code sample:
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