def _delete_one(self, row_id, ctx):
return self._create_delete_one_query(row_id, ctx).delete()<EOL>
Deletes row by the given id -- `row_id`. The method first created the
query using the method :meth:`_create_delete_one_query` and then executes it.

:param int row_id: Identifier of the deleted row.
:param ResourceQueryContext ctx: The context of this delete query.