72         def convert_query(self, query_set):  argument
77             query_set = query_set.all()
78             query_set.query = query_set.query.clone(
81             return query_set
103     def add_join(self, query_set, join_table, join_key, join_condition='',  argument
126         join_from_table = query_set.model._meta.db_table
138             join_type = query_set.query.LOUTER
140             join_type = query_set.query.INNER
142         query_set = self.CustomQuery.convert_query(query_set)
143         query_set.query.add_custom_join(join_table,
150             query_set = query_set.extra(where=[full_join_key + ' IS NULL'])
152         return query_set
228     def join_custom_field(self, query_set, join_to_query, alias,  argument
257         return self.add_join(query_set, info['rhs_table'], info['rhs_column'],
265     def add_where(self, query_set, where, values=()):  argument
266         query_set = query_set.all()
267         query_set.query.where.add(self._WhereClause(where, values),
269         return query_set
287     def _custom_select_query(self, query_set, selects):  argument
295         compiler = query_set.query.get_compiler(using=query_set.db)
299         if query_set.query.distinct:
306         cursor = connections[query_set.db].cursor()