defmodule DaProductApp.Repo.Migrations.CreateUsersProviders do use Ecto.Migration def change do create table(:users_providers) do add :user_id, references(:users, on_delete: :delete_all), null: false add :provider_id, references(:providers, on_delete: :delete_all), null: false timestamps(type: :utc_datetime) end create index(:users_providers, [:user_id]) create index(:users_providers, [:provider_id]) create unique_index(:users_providers, [:user_id, :provider_id]) end end