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lib/postgrex/extensions/int4.ex

defmodule Postgrex.Extensions.Int4 do
@moduledoc false
import Postgrex.BinaryUtils, warn: false
use Postgrex.BinaryExtension, send: "int4send"
@int4_range -2_147_483_648..2_147_483_647
def encode(_) do
range = Macro.escape(@int4_range)
quote location: :keep do
int when is_integer(int) and int in unquote(range) ->
<<4::int32(), int::int32()>>
other ->
raise DBConnection.EncodeError, Postgrex.Utils.encode_msg(other, unquote(range))
end
end
def decode(_) do
quote location: :keep do
<<4::int32(), int::int32()>> -> int
end
end
end