Method unref_alias

django/db/models/sql/query.py:930–932

Decreases the reference count for this alias.

(self, alias, amount=1)

        self.alias_refcount[alias] += 1

    def unref_alias(self, alias, amount=1):
        """Decreases the reference count for this alias."""
        self.alias_refcount[alias] -= amount

    def promote_joins(self, aliases):
        """