ash_postgres/priv/test_repo/migrations/20240109155951_create_temp_schema.exs

defmodule AshPostgres.TestRepo.Migrations.CreateTempSchema do
  use Ecto.Migration

  def up do
    execute("create schema if not exists \"temp\"")
  end

  def down do
    execute("drop schema if exists \"temp\"")
  end
end