Pleroma/priv/repo/migrations/20190929201536_drop_subscription_if_exists.exs

defmodule Pleroma.Repo.Migrations.DropSubscriptionIfExists do
  use Ecto.Migration

  def change do
  end

  def up do
    drop_if_exists(index(:subscription_notifications, [:user_id]))
    drop_if_exists(index(:subscription_notifications, ["id desc nulls last"]))
    drop_if_exists(table(:subscription_notifications))
  end

  def down do
    :ok
  end
end