- Fixes #42432 (#42770)

- Added a unit test

airflow/utils/db.py

@@ -1203,19 +1203,22 @@ def resetdb(session: Session = NEW_SESSION, skip_init: bool = False):
     if not settings.engine:
         raise RuntimeError("The settings.engine must be set. This is a critical assertion")
     log.info("Dropping tables that exist")
+    original_logging_level = logging.root.level
+    try:
+        import_all_models()
 
-    import_all_models()
-
-    connection = settings.engine.connect()
+        connection = settings.engine.connect()
 
-    with create_global_lock(session=session, lock=DBLocks.MIGRATIONS), connection.begin():
-        drop_airflow_models(connection)
-        drop_airflow_moved_tables(connection)
-        external_db_manager = RunDBManager()
-        external_db_manager.drop_tables(session, connection)
+        with create_global_lock(session=session, lock=DBLocks.MIGRATIONS), connection.begin():
+            drop_airflow_models(connection)
+            drop_airflow_moved_tables(connection)
+            external_db_manager = RunDBManager()
+            external_db_manager.drop_tables(session, connection)
 
-    if not skip_init:
-        initdb(session=session)
+        if not skip_init:
+            initdb(session=session)
+    finally:
+        logging.root.setLevel(original_logging_level)
 
 
 @provide_session

tests/utils/test_db.py

@@ -18,6 +18,7 @@
 from __future__ import annotations
 
 import inspect
+import logging
 import os
 import re
 from contextlib import redirect_stdout
@@ -229,6 +230,14 @@ def test_resetdb(
         else:
             mock_init.assert_called_once_with(session=session_mock)
 
+    def test_resetdb_logging_level(self):
+        unset_logging_level = logging.root.level
+        logging.root.setLevel(logging.DEBUG)
+        set_logging_level = logging.root.level
+        resetdb()
+        assert logging.root.level == set_logging_level
+        assert logging.root.level != unset_logging_level
+
     def test_alembic_configuration(self):
         with mock.patch.dict(
             os.environ, {"AIRFLOW__DATABASE__ALEMBIC_INI_FILE_PATH": "/tmp/alembic.ini"}, clear=True