@abc.abstractmethod
    def get_alias(self):
make sure custom database table names are OK.
dataset/ETHPy150Open openstack/neutron/neutron/api/extensions.py/ExtensionDescriptor.get_alias--crossover with--dataset/ETHPy150Open divio/django-cms/cms/tests/test_plugins.py/PluginsMetaOptionsTests.test_meta_options_custom_db_table