Programming Phoenix

Defining the User Schema and Migration

Ecto has a DSL that specifies the fields in a struct and the mapping between those fields and the database tables. Let’s use that now. To define our schema, replace the contents in web/models/user.ex with the following:

ecto/listings/rumbl/web/models/user.ex

defmodule Rumbl.User do
  use Rumbl.Web, :model

  schema "users" do
    field :name, :string
    field :username, :string
    field :password, :string, virtual: true
    field :password_hash, :string

    timestamps
  end
end

This DSL is built with Elixir macros. The schema and field macros let us specify both the underlying database table and the Elixir struct. Each field corresponds to both a field in the database and ...