use Ecto.Migration
def change do
- create table(:lists) do
+ create_if_not_exists table(:lists) do
add :user_id, references(:users, on_delete: :delete_all)
add :title, :string
add :following, {:array, :string}
timestamps()
end
- create index(:lists, [:user_id])
+ create_if_not_exists index(:lists, [:user_id])
end
end