Method state_forwards

django/db/migrations/operations/models.py:900–901

(self, app_label, state)

        self.index = index

    def state_forwards(self, app_label, state):
        state.add_index(app_label, self.model_name_lower, self.index)

    def database_forwards(self, app_label, schema_editor, from_state, to_state):
        model = to_state.apps.get_model(app_label, self.model_name)