From 96b84e1b9ab50e4db4f17599b662d488c870d3b7 Mon Sep 17 00:00:00 2001
From: Masanori Iwasaki <masanori.iwasaki@mixi.co.jp>
Date: Wed, 1 Jul 2020 14:33:01 +0900
Subject: [PATCH] fix where in query

---
 lib/etso/ets/match_specification.ex | 6 ++++++
 test/northwind/repo_test.exs        | 9 +++++++++
 2 files changed, 15 insertions(+)

diff --git a/lib/etso/ets/match_specification.ex b/lib/etso/ets/match_specification.ex
index d594a42..8f2520d 100644
--- a/lib/etso/ets/match_specification.ex
+++ b/lib/etso/ets/match_specification.ex
@@ -79,6 +79,12 @@ defmodule Etso.ETS.MatchSpecification do
     field_name
   end
 
+  defp resolve_field_values(params, {:^, [], [start, stop]}) do
+    for index <- start..(stop - 1) do
+      Enum.at(params, index)
+    end
+  end
+
   defp resolve_field_values(params, {:^, [], indices}) do
     for index <- indices do
       Enum.at(params, index)
diff --git a/test/northwind/repo_test.exs b/test/northwind/repo_test.exs
index 9bcb787..744b30c 100644
--- a/test/northwind/repo_test.exs
+++ b/test/northwind/repo_test.exs
@@ -35,6 +35,15 @@ defmodule Northwind.RepoTest do
     |> Repo.all()
   end
 
+  test "Where In" do
+    res =
+      Model.Employee
+      |> where([x], x.employee_id in ^[3, 5, 7])
+      |> Repo.all()
+    assert length(res) == 3
+    assert res |> Enum.map(& &1.employee_id) |> Enum.sort() == [3, 5, 7]
+  end
+
   test "Select Where" do
     Model.Employee
     |> where([x], x.title == "Vice President Sales" and x.first_name == "Andrew")