Use Decimal.from_float/1 instead of Decimal.new/1

Author: adamzapasnik

lib/sqlite_db_connection/query.ex

@@ -75,7 +75,7 @@ defimpl DBConnection.Query, for: Sqlite.DbConnection.Query do
     {result, _} = int |> Integer.to_string |> Float.parse
     translate_value({result, type})
   end
-  defp translate_value({float, "decimal"}), do: Decimal.new(float)
+  defp translate_value({float, "decimal"}), do: Decimal.from_float(float)
   defp translate_value({float, "decimal(" <> rest}) do
     [precision, scale] =
       rest
@@ -85,7 +85,7 @@ defimpl DBConnection.Query, for: Sqlite.DbConnection.Query do
 
     Decimal.with_context(%Decimal.Context{precision: precision, rounding: :down},
       fn ->
-        float |> Float.round(scale) |> Decimal.new |> Decimal.plus
+        float |> Float.round(scale) |> Decimal.from_float |> Decimal.plus
       end)
   end
 

test/repo_test.exs

@@ -24,7 +24,7 @@ defmodule Sqlite.Ecto2.RepoTest do
 
   test "preserves decimal without precision" do
     TestRepo.insert!(%MiscTypes{name: "hello", start_time: ~T(09:33:51.130422), cost: 3.1415})
-    pi_ish = Decimal.new(3.1415)
+    pi_ish = Decimal.from_float(3.1415)
     assert [%MiscTypes{name: "hello", cost: ^pi_ish}] =
       TestRepo.all from mt in MiscTypes
   end