defmodule DaProductApp.Repo.Migrations.CreateTerminalGroupMemberships do
  use Ecto.Migration

  def change do
    create table(:terminal_group_memberships) do
      add :terminal_id, references(:tms_terminals, on_delete: :delete_all), null: false
      add :group_id, references(:terminal_groups, on_delete: :delete_all), null: false

      timestamps(type: :utc_datetime)
    end

    create index(:terminal_group_memberships, [:terminal_id])
    create index(:terminal_group_memberships, [:group_id])
    create unique_index(:terminal_group_memberships, [:terminal_id, :group_id])
  end
end