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Ecto 2 Adapter for Microsoft SQL Server

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tds_ecto lib tds var_char.ex
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lib/tds/var_char.ex 

defmodule Tds.VarChar do

  @moduledoc """

  Wrapps erlang string into structure which TDS undestends

  and can encode this value into varchar type

  """



  @behaviour Ecto.Type



  @doc "Returns :varchar atom, so we can use :varchar type in migration files"

  def type(), do: :varchar



  def cast(value) do

    {:ok, value}

  end



  def load(value) do

    {:ok, value}

  end



  def dump(value) when is_binary(value) do 

    {:ok, {value, :varchar}}

  end

end