mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-10-24 06:06:09 +00:00
Code Issues 32 Releases Wiki Activity

Fixed #10766 -- Raise an error when annotate() references another aggreagte(). Thanks to aseering@mit.edu for the report.

Browse Source 
git-svn-id: http://code.djangoproject.com/svn/django/trunk@10521 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee
2009-04-11 12:09:34 +00:00
parent b1a5db37e6
commit 0fff47c90f
2 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
tests/regressiontests/aggregation_regress/models.py
View File

@@ -297,6 +297,11 @@ FieldError: Cannot resolve keyword 'foo' into field. Choices are: authors, conta
>>> HardbackBook.objects.annotate(n_authors=Count('authors')).values('name','n_authors')
[{'n_authors': 2, 'name': u'Artificial Intelligence: A Modern Approach'}, {'n_authors': 1, 'name': u'Paradigms of Artificial Intelligence Programming: Case Studies in Common Lisp'}]
# Regression for #10766 - Shouldn't be able to reference an aggregate fields in an an aggregate() call.
>>> Book.objects.all().annotate(mean_age=Avg('authors__age')).annotate(Avg('mean_age'))
Traceback (most recent call last):
...
FieldError: Cannot compute Avg('mean_age'): 'mean_age' is an aggregate
"""
}