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| author | Matthias Erll <matthias@precisdigital.com> | 2014-05-17 14:59:57 +0200 |
|---|---|---|
| committer | Tim Graham <timograham@gmail.com> | 2017-05-31 19:34:56 -0400 |
| commit | eee34ef64c026e3274c6d1b4fa2baffbc956b954 (patch) | |
| tree | 1ed5087f7396fafc49560e8106cf23c6d1afd99c /django/db | |
| parent | 84fb50df670c8126983c9f0fd4a5c30dbe57b684 (diff) | |
Fixed #22550 -- Prohibited QuerySet.last()/reverse() after slicing.
Diffstat (limited to 'django/db')
| -rw-r--r-- | django/db/models/query.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/django/db/models/query.py b/django/db/models/query.py index a20237a229..fdf720cb8a 100644 --- a/django/db/models/query.py +++ b/django/db/models/query.py @@ -944,6 +944,8 @@ class QuerySet: def reverse(self): """Reverse the ordering of the QuerySet.""" + if not self.query.can_filter(): + raise TypeError('Cannot reverse a query once a slice has been taken.') clone = self._clone() clone.query.standard_ordering = not clone.query.standard_ordering return clone |