October 2019
Intermediate to advanced
358 pages
8h 22m
English
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Chapter 4Ecto and Changesets
Up to now, we’ve been focusing on our application’s presentation layer with views and templates, and controlling those views with controllers. Rather than bogging down into technical details, we used an application API to encapsulate all of our business concerns. Our single Accounts context keeps all the data directly in the code instead of using a real database. There’s a method to our madness. With very little work, we can now replace our in-memory data structures with a real database and all of our controller code can remain unchanged.
Ecto is the Elixir framework for persisting data. In this chapter, we’ll convert our Accounts context to use an Ecto repository backed by a PostgreSQL database. By the time you’re ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.