From 8682ae2f3d7d76e19406ade5bf732a4845b6d28b Mon Sep 17 00:00:00 2001
From: Tommaso Comparin <3862206+tcompa@users.noreply.github.com>
Date: Wed, 29 Nov 2023 13:38:39 +0100
Subject: [PATCH] Set `pool_pre_ping=True` for asyncpg-driven async DB engine
 (ref #954)

---
 fractal_server/app/db/__init__.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fractal_server/app/db/__init__.py b/fractal_server/app/db/__init__.py
index 22178a54ab..2c59113a31 100644
--- a/fractal_server/app/db/__init__.py
+++ b/fractal_server/app/db/__init__.py
@@ -63,7 +63,9 @@ def set_db(cls):
                 connect_args={"check_same_thread": False},
             )
         else:
-            engine_kwargs_async = {}
+            engine_kwargs_async = {
+                "pool_pre_ping": True,
+            }
             engine_kwargs_sync = {}
 
         cls._engine_async = create_async_engine(