Ecto’s insert_all and schemaless queries

One of the functions added to Ecto 2.0 is Ecto.Repo.insert_all/3. insert_all allows developers to insert multiple entries at once into a repository: MyApp.Repo.insert_all(Post, [[title: "hello", body: "world"], [title: "another", body: "post"]]) Although insert_all is just a regular Elixir function, it plays an important role in Ecto 2.0 goals. To understand more about these goals, let’s … »

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Introducing reducees

Elixir provides the concept of collections, which may be in-memory data structures, as well as events, I/O resources and more. Those collections are supported by the Enumerable protocol, which is an implementation of an abstraction we call “reducees”. In this article, we will outline the design decisions behind such abstraction, often exploring ideas from Haskell, … »

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