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sql_dust

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Easy. Simple. Powerful. Generate (complex) SQL queries using magical Elixir SQL dust.

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sql_dust lib sql_dust utils map_utils.ex
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lib/sql_dust/utils/map_utils.ex 

defmodule SqlDust.MapUtils do

  def get(map, key, default \\ nil) do

    key = "#{key}"

    Map.get(map, key, Map.get(map, String.to_atom(key), default))

  end



  def deep_merge(map1, map2) do

    Map.keys(map1)

      |> Enum.concat(Map.keys(map2))

      |> Enum.join(";")

      |> String.split(";")

      |> Enum.reduce(%{}, fn(key, map) ->

        {val1, val2} = {get(map1, key), get(map2, key)}

        val = cond do

          is_map(val1) -> deep_merge(val1, val2 || %{})

          true -> (val2 || val1)

        end

        Map.put(map, String.to_atom(key), val)

      end)

  end

end