From 79ac92262e8caa6ecbcc82c8ec1a0f74c3502d78 Mon Sep 17 00:00:00 2001
From: Chris Keele <christhekeele@gmail.com>
Date: Sun, 14 Jun 2026 16:49:40 -0500
Subject: [PATCH] Don't check if DBConnection is loaded.

---
 lib/ecto/adapters/sql/sandbox.ex | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/ecto/adapters/sql/sandbox.ex b/lib/ecto/adapters/sql/sandbox.ex
index 98614784f..5fb998525 100644
--- a/lib/ecto/adapters/sql/sandbox.ex
+++ b/lib/ecto/adapters/sql/sandbox.ex
@@ -341,9 +341,7 @@ defmodule Ecto.Adapters.SQL.Sandbox do
 
   defmodule Connection do
     @moduledoc false
-    if Code.ensure_loaded?(DBConnection) do
-      @behaviour DBConnection
-    end
+    @behaviour DBConnection
 
     def connect(_opts) do
       raise "should never be invoked"