priv/repo/migrations/20161209192504_create_task_list.exs
defmodule CodeCorps.Repo.Migrations.CreateTaskList do
use Ecto.Migration
def change do
create table(:task_lists) do
add :name, :string
add :order, :integer
add :project_id, references(:projects, on_delete: :nothing)
timestamps()
end
create index(:task_lists, [:project_id])
alter table(:tasks) do
add :task_list_id, references(:task_lists, on_delete: :nothing)
add :order, :integer
end
end
end