defmodule Slax.Repo.Migrations.CreateMessages do use Ecto.Migration def change do create table(:messages) do add :body, :text, null: false add :user_id, references(:users, on_delete: :delete_all), null: false add :room_id, references(:rooms, on_delete: :delete_all), null: false timestamps(type: :utc_datetime) end create index(:messages, [:user_id]) create index(:messages, [:room_id]) end end