def get_db_sources(self, model):
        sources = []
        for source in self.sources:
            target_field = self.resolve_source(model, source)
            if target_field:
                sources.append(source)
        return sources
Executes this request with the given output transforms.
dataset/ETHPy150Open pivotal-energy-solutions/django-datatable-view/datatableview/columns.py/Column.get_db_sources--crossover with--dataset/ETHPy150Open RobotWebTools/rosbridge_suite/rosbridge_server/src/tornado/web.py/RequestHandler._execute