Fix migration with negative event type cache (#91910)

* Fix migration with negative event type cache

fixes a regression with #91770

* Update homeassistant/components/recorder/table_managers/event_types.py

homeassistant/components/recorder/migration.py

@@ -1481,6 +1481,7 @@ def migrate_event_type_ids(instance: Recorder) -> bool:
                     event_type_to_id[
                         db_event_type.event_type
                     ] = db_event_type.event_type_id
+                    event_type_manager.clear_non_existent(db_event_type.event_type)
 
             session.execute(
                 update(Events),

homeassistant/components/recorder/table_managers/event_types.py

@@ -120,9 +120,17 @@ class EventTypeManager(BaseLRUTableManager[EventTypes]):
         """
         for event_type, db_event_types in self._pending.items():
             self._id_map[event_type] = db_event_types.event_type_id
-            self._non_existent_event_types.pop(event_type, None)
+            self.clear_non_existent(event_type)
         self._pending.clear()
 
+    def clear_non_existent(self, event_type: str) -> None:
+        """Clear a non-existent event type from the cache.
+
+        This call is not thread-safe and must be called from the
+        recorder thread.
+        """
+        self._non_existent_event_types.pop(event_type, None)
+
     def evict_purged(self, event_types: Iterable[str]) -> None:
         """Evict purged event_types from the cache when they are no longer used.
 

tests/components/recorder/test_migration_from_schema_32.py

@@ -553,6 +553,16 @@ async def test_migrate_event_type_ids(
     assert len(events_by_type["event_type_one"]) == 2
     assert len(events_by_type["event_type_two"]) == 1
 
+    def _get_many():
+        with session_scope(hass=hass, read_only=True) as session:
+            return instance.event_type_manager.get_many(
+                ("event_type_one", "event_type_two"), session
+            )
+
+    mapped = await instance.async_add_executor_job(_get_many)
+    assert mapped["event_type_one"] is not None
+    assert mapped["event_type_two"] is not None
+
 
 @pytest.mark.parametrize("enable_migrate_entity_ids", [True])
 async def test_migrate_entity_ids(