seeds.ex

# seeds.ex
_book = %{title: "Tea Rex", uuid: "7dd77fa0-ba25-11e5-a54b-3c15c2ddf318", image: "tea_rex.jpeg?63619929809"}
book = Book.changeset(%Book{}, Map.take(_book, ~w(title uuid)a))
  |> Ecto.Changeset.change(image: _book.image) |> Repo.insert!


# Error
no function clause matching in Arc.Ecto.Type.dump/2
    lib/arc_ecto/type.ex:19: Arc.Ecto.Type.dump(Project.BookImage, "tea_rex.jpeg?63619929809")
    (ecto) lib/ecto/query/planner.ex:29: anonymous fn/6 in Ecto.Query.Planner.fields/4
    (stdlib) lists.erl:1262: :lists.foldl/3
    (ecto) lib/ecto/query/planner.ex:21: Ecto.Query.Planner.fields/4
    (ecto) lib/ecto/repo/schema.ex:449: Ecto.Repo.Schema.dump_changes/5
    (ecto) lib/ecto/repo/schema.ex:77: anonymous fn/11 in Ecto.Repo.Schema.do_insert/4
    (ecto) lib/ecto/repo/schema.ex:477: anonymous fn/3 in Ecto.Repo.Schema.wrap_in_transaction/9
    (ecto) lib/ecto/pool.ex:292: Ecto.Pool.with_rollback/3
    (ecto) lib/ecto/adapters/sql.ex:582: Ecto.Adapters.SQL.transaction/8
    (ecto) lib/ecto/pool.ex:244: Ecto.Pool.outer_transaction/6
    (ecto) lib/ecto/adapters/sql.ex:551: Ecto.Adapters.SQL.transaction/3
    (ecto) lib/ecto/repo/schema.ex:14: Ecto.Repo.Schema.insert!/4
    priv/repo/seeds.exs:25: anonymous fn/2 in :elixir_compiler_1.__FILE__/1
    (elixir) lib/enum.ex:1387: Enum."-reduce/3-lists^foldl/2-0-"/3
    priv/repo/seeds.exs:22: (file)
    (elixir) lib/code.ex:363: Code.require_file/2
    (mix) lib/mix/tasks/run.ex:68: Mix.Tasks.Run.run/1