def get_lookup_types(self, handler=None):
        lookup_types = self.lookup_types
        if handler:
            lookup_types = handler.lookup_types

        # Add regex and MySQL 'search' operators if requested for the original column definition
        if self.allow_regex and 'iregex' not in lookup_types:
            lookup_types += ('iregex',)
        if self.allow_full_text_search and 'search' not in lookup_types:
            lookup_types += ('search',)
        return lookup_types
Generates the list of valid ORM lookup operators, taking into account runtime options for
dataset/ETHPy150Open pivotal-energy-solutions/django-datatable-view/datatableview/columns.py/Column.get_lookup_types