From ebb91f27fefd65f9ec883dbdac9b93e47a751a99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A1bio=20C=2E=20Barrionuevo=20da=20Luz?=
 <bnafta@gmail.com>
Date: Fri, 1 Aug 2025 18:57:21 -0300
Subject: [PATCH] Fix db_heartbeat on Oracle

---
 health_check/contrib/db_heartbeat/backends.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/health_check/contrib/db_heartbeat/backends.py b/health_check/contrib/db_heartbeat/backends.py
index df8724c7..85252fd8 100644
--- a/health_check/contrib/db_heartbeat/backends.py
+++ b/health_check/contrib/db_heartbeat/backends.py
@@ -11,7 +11,10 @@ def check_status(self):
         try:
             result = None
             with connection.cursor() as cursor:
-                cursor.execute("SELECT 1;")
+                if cursor.db.vendor == 'oracle':
+                    cursor.execute("SELECT 1 FROM DUAL;")
+                else:
+                    cursor.execute("SELECT 1;")
                 result = cursor.fetchone()
 
             if result != (1,):