Unique violation also returned on unique index. 0.5.1

lib/mssqlex/error.ex

@@ -53,6 +53,7 @@ defmodule Mssqlex.Error do
   defp get_constraint_violations(reason) do
     constraint_checks =
       [unique: ~r/Violation of UNIQUE KEY constraint '(\S+?)'./,
+       unique: ~r/Cannot insert duplicate key row .* with unique index '(\S+?)'/,
        foreign_key: ~r/conflicted with the FOREIGN KEY constraint "(\S+?)"./,
        check: ~r/conflicted with the CHECK constraint "(\S+?)"./]
     extract = fn {key, test}, acc ->

mix.exs

@@ -3,7 +3,7 @@ defmodule Mssqlex.Mixfile do
 
   def project do
     [app: :mssqlex,
-     version: "0.5.0",
+     version: "0.5.1",
      description: "Adapter to Microsoft SQL Server. Using DBConnection and ODBC.",
      elixir: "~> 1.4",
      build_embedded: Mix.env == :prod,

test/mssqlex/constraints_test.exs

@@ -22,6 +22,19 @@ defmodule Mssqlex.ConstraintsTest do
     assert error.constraint_violations == [unique: "id_unique"]
   end
 
+  test "Unique index", %{pid: pid} do
+    table_name = "constraints_test.dbo.uniq_ix"
+    Mssqlex.query!(pid, """
+    CREATE TABLE #{table_name} (id int);
+    CREATE UNIQUE INDEX id_unique ON #{table_name} (id);
+    """, [])
+    Mssqlex.query!(pid, "INSERT INTO #{table_name} VALUES (?)", [42])
+    error = assert_raise Mssqlex.Error, fn ->
+      Mssqlex.query!(pid, "INSERT INTO #{table_name} VALUES (?)", [42])
+    end
+    assert error.constraint_violations == [unique: "id_unique"]
+  end
+
   test "Foreign Key constraint", %{pid: pid} do
     assoc_table_name = "constraints_test.dbo.assoc"
     table_name = "constraints_test.dbo.fk"