Method add_model

haystack/backends/__init__.py:848–860

Restricts the query requiring matches in the given model. This builds upon previous additions, so you can limit to multiple models by chaining this method several times.

(self, model)

        self.order_by = []

    def add_model(self, model):
        """
        Restricts the query requiring matches in the given model.

        This builds upon previous additions, so you can limit to multiple models
        by chaining this method several times.
        """
        if not isinstance(model, ModelBase):
            raise AttributeError(
                "The model being added to the query must derive from Model."
            )

        self.models.add(model)

    def set_limits(self, low=None, high=None):
        """Restricts the query by altering either the start, end or both offsets."""