code: def reload(self):
          
          api = self._instance._client.database_admin_api
          metadata = _metadata_with_prefix(self.name)
          response = api.get_database_ddl(self.name, metadata=metadata)
          self._ddl_statements = tuple(response.statements)
docs: Reload this database.
  
          Refresh any configured schema into :attr:`ddl_statements`.
  
          See
          https://cloud.google.com/spanner/reference/rpc/google.spanner.admin.database.v1#google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDDL
  
          :raises NotFound: if the database does not exist