use Ecto.Migration
def change do
- create table(:registrations) do
+ create_if_not_exists table(:registrations, primary_key: false) do
+ add :id, :uuid, primary_key: true
add :user_id, references(:users, type: :uuid, on_delete: :delete_all)
add :provider, :string
add :uid, :string
timestamps()
end
- create unique_index(:registrations, [:provider, :uid])
+ create_if_not_exists unique_index(:registrations, [:provider, :uid])
+ create_if_not_exists unique_index(:registrations, [:user_id, :provider, :uid])
end
end