ash_postgres/priv/test_repo/migrations/20240618102809_migrate_resources30.exs

defmodule AshPostgres.TestRepo.Migrations.MigrateResources30 do
  @moduledoc """
  Updates resources based on their most recent snapshots.

  This file was autogenerated with `mix ash_postgres.generate_migrations`
  """

  use Ecto.Migration

  def up do
    alter table(:posts) do
      add(
        :parent_post_id,
        references(:posts,
          column: :id,
          name: "posts_parent_post_id_fkey",
          type: :uuid,
          prefix: "public"
        )
      )
    end
  end

  def down do
    drop(constraint(:posts, "posts_parent_post_id_fkey"))

    alter table(:posts) do
      remove(:parent_post_id)
    end
  end
end