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 ...