From dbc248d727a50f4bfff0e8ea5bae77471399a6c0 Mon Sep 17 00:00:00 2001
From: Miroslav Simek <3385642+mesemus@users.noreply.github.com>
Date: Tue, 10 Mar 2026 17:11:32 +0100
Subject: [PATCH] feat: removed string as UTCDateTime option

---
 invenio_db/shared.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/invenio_db/shared.py b/invenio_db/shared.py
index 90e59ba..e1f6877 100644
--- a/invenio_db/shared.py
+++ b/invenio_db/shared.py
@@ -9,6 +9,7 @@
 
 """Shared database object for Invenio."""
 
+import warnings
 from datetime import datetime, timezone
 
 from flask_sqlalchemy import SQLAlchemy as FlaskSQLAlchemy
@@ -44,6 +45,11 @@ def process_bind_param(self, value, dialect):
             return value
 
         if isinstance(value, str):
+            warnings.warn(
+                "UTCDateTime: string values are deprecated, please pass a datetime object. "
+                "String values will be removed in the next major release (3.0.0).",
+                DeprecationWarning,
+            )
             if " " in value:
                 value = value.replace(" ", "T")
             value = datetime.strptime(value[0:19], "%Y-%m-%dT%H:%M:%S")