Fixed bug that caused "Message.dbname" to always be the value "None".

Author: anthony-tuininga

Diff for: doc/src/release_notes.rst

@@ -29,6 +29,7 @@ Thick Mode Changes
     allowing it to be closed automatically when it goes out of scope).
 #)  Fixed bug when calling :meth:`Subscription.registerquery()` with bind
     values.
+#)  Fixed bug that caused :data:`Message.dbname` to always be the value `None`.
 
 Common Changes
 ++++++++++++++

Diff for: src/oracledb/subscr.py

@@ -161,7 +161,7 @@ class Message:
     def __init__(self, subscription: Subscription) -> None:
         self._subscription = subscription
         self._consumer_name = None
-        self._db_name = None
+        self._dbname = None
         self._queries = []
         self._queue_name = None
         self._registered = False
@@ -192,7 +192,7 @@ def dbname(self) -> Union[str, None]:
         """
         Returns the name of the database that generated the notification.
         """
-        return self._db_name
+        return self._dbname
 
     @property
     def msgid(self) -> Union[bytes, None]: