如何在Elixir Ecto中存储字符串的二维数组。如何将匹配的长度放到列表中？

defmodule MyModel do
  use Ecto.Schema

  schema "my_models" do
    field :data, {:array, :string}
    # 其他字段...
  end
end

data = [["a", "b"], ["c", "d"]]
changeset = MyModel.changeset(%MyModel{}, %{data: data})
MyModel.create(changeset)

data = [["e", "f"], ["g", "h"]]
changeset = MyModel.changeset(%my_model, %{data: data})
MyModel.update(changeset)

query = from m in MyModel, where: m.data == [["a", "b"], ["c", "d"]]
Repo.all(query)

strings = ["hello", "world", "elixir"]
lengths = Enum.map(strings, &String.length/1)
IO.inspect(lengths)

[5, 5, 6]