priv/repo/migrations/20170131234029_create_task_skill.exs
defmodule CodeCorps.Repo.Migrations.CreateTaskSkill do
@moduledoc false
use Ecto.Migration
def change do
create table(:task_skills) do
add :skill_id, references(:skills), null: false
add :task_id, references(:tasks), null: false
timestamps()
end
create index :task_skills, [:task_id, :skill_id], unique: true
end
end