I have a timestamp coming back from a 3rd party package. I have read these articles and don’t see how to just store this value in my db and have it come back as some sort of date type in elixir.

1. is there an Ecto type that should just take in the timestamp and convert it?
2. do I need to convert it manually in the changeset? (that would seem strange)

The codes:

##My Timestamp##
DateTime.from_unix 1518960668
Yeah this is cool

##using :utc_datetime##

** (FunctionClauseError) no function clause matching in Ecto.Type.cast_naive_datetime/1

The following arguments were given to Ecto.Type.cast_naive_datetime/1:

    # 1
    1518960668

Attempted function clauses (showing 4 out of 4):

    defp cast_naive_datetime(binary) when is_binary(binary)
    defp cast_naive_datetime(%{"year" => empty, "month" => empty, "day" => empty, "hour" => empty, "minute" => empty}) when empty === nil or empty === ""
    defp cast_naive_datetime(%{year: empty, month: empty, day: empty, hour: empty, minute: empty}) when empty === nil or empty === ""
    defp cast_naive_datetime(%{} = map)

code: token = token_fixture()

##using :time##

changeset errors:

...
errors: [expires_at: {"is invalid", [type: :time, validation: :cast]}]