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Diffstat (limited to 'django/db/models/sql/query.py')
| -rw-r--r-- | django/db/models/sql/query.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index 8e55bd092d..ea51912e8b 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -6,6 +6,7 @@ themselves do not have to (and could be backed by things other than SQL databases). The abstraction barrier only works one way: this module has to know all about the internals of models in order to get the information it needs. """ +import copy import difflib import functools import inspect @@ -324,6 +325,10 @@ class Query(BaseExpression): obj._extra_select_cache = None else: obj._extra_select_cache = self._extra_select_cache.copy() + if self.select_related is not False: + # Use deepcopy because select_related stores fields in nested + # dicts. + obj.select_related = copy.deepcopy(obj.select_related) if 'subq_aliases' in self.__dict__: obj.subq_aliases = self.subq_aliases.copy() obj.used_aliases = self.used_aliases.copy() |