defmodule Server.Repo.Migrations.CreateMetrics do
  use Ecto.Migration

  def change do
    create table(:metrics) do
      add :host_id, references(:hosts, on_delete: :delete_all), null: false
      add :collected_at, :utc_datetime_usec, null: false
      add :interval_type, :string, null: false
      add :payload, :string, null: false

      timestamps(type: :utc_datetime_usec, updated_at: false)
    end

    create index(:metrics, [:host_id, :collected_at])
    create index(:metrics, [:collected_at])
  end
end