From b95d5de60fabdcc38fab19614b913ddc6a6de2f1 Mon Sep 17 00:00:00 2001
From: Stephan Hug <stephan.hug@adfinis.com>
Date: Sat, 7 Jun 2025 21:46:02 +0200
Subject: [PATCH] fix: casting integers to string in expressions works as
 intended

This commit currently only adds a failing test.
---
 test/support/resources/post.ex | 6 ++++++
 test/type_test.exs             | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/test/support/resources/post.ex b/test/support/resources/post.ex
index 4b893048..369283bc 100644
--- a/test/support/resources/post.ex
+++ b/test/support/resources/post.ex
@@ -154,6 +154,12 @@ defmodule AshPostgres.Test.Post do
 
     defaults([:read, :destroy])
 
+    read :with_version_check do
+      argument(:version, :integer)
+
+      filter(expr(type(^arg(:version), :string) in ["1", "2"]))
+    end
+
     read :first_and_last_post do
       prepare(fn query, _ ->
         Ash.Query.combination_of(query, [
diff --git a/test/type_test.exs b/test/type_test.exs
index 428fcab1..4c3731e7 100644
--- a/test/type_test.exs
+++ b/test/type_test.exs
@@ -100,4 +100,11 @@ defmodule AshPostgres.Test.TypeTest do
     assert %{x: 2.0, y: 3.0, z: 4.0} = p.db_string_point_id
     assert %{x: 2.0, y: 3.0, z: 4.0} = p.db_string_point.id
   end
+
+  test "casting integer to string works" do
+    Post |> Ash.Changeset.for_create(:create) |> Ash.create!()
+
+    post = Ash.Query.for_read(Post, :with_version_check, version: 1) |> Ash.read!()
+    refute is_nil(post)
+  end
 end