Fixed #10250 -- Added a regression test to ensure that GROUP BY statements are correctly quoted under MySQL. This appears to have been corrected inadvertently since the original report, but the extra regression test will make sure it stays that way.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10043 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2009-03-12 11:52:55 +00:00
parent 5eccc59652
commit 6d17020c1a
2 changed files with 72 additions and 70 deletions

View File

@ -44,17 +44,7 @@ class Store(models.Model):
def __unicode__(self): def __unicode__(self):
return self.name return self.name
class Entries(models.Model): # Tests on 'aggregate'
EntryID = models.AutoField(primary_key=True, db_column='Entry ID')
Entry = models.CharField(unique=True, max_length=50)
Exclude = models.BooleanField()
class Clues(models.Model):
ID = models.AutoField(primary_key=True)
EntryID = models.ForeignKey(Entries, verbose_name='Entry', db_column = 'Entry ID')
Clue = models.CharField(max_length=150)
# Tests on 'aggergate'
# Different backends and numbers. # Different backends and numbers.
__test__ = {'API_TESTS': """ __test__ = {'API_TESTS': """
>>> from django.core import management >>> from django.core import management
@ -351,10 +341,6 @@ True
# Cheating: [a for a in Author.objects.all().annotate(num_coleagues=Count('book__authors__id'), num_books=Count('book__id', distinct=True)) if a.num_coleagues - a.num_books > 0] # Cheating: [a for a in Author.objects.all().annotate(num_coleagues=Count('book__authors__id'), num_books=Count('book__id', distinct=True)) if a.num_coleagues - a.num_books > 0]
# F-Syntax is required. Will be fixed after F objects are available # F-Syntax is required. Will be fixed after F objects are available
# Tests on fields with non-default table and column names.
>>> Clues.objects.values('EntryID__Entry').annotate(Appearances=Count('EntryID'), Distinct_Clues=Count('Clue', distinct=True))
[]
# Aggregates also work on dates, times and datetimes # Aggregates also work on dates, times and datetimes
>>> Publisher.objects.annotate(earliest_book=Min('book__pubdate')).exclude(earliest_book=None).order_by('earliest_book').values() >>> Publisher.objects.annotate(earliest_book=Min('book__pubdate')).exclude(earliest_book=None).order_by('earliest_book').values()
[{'earliest_book': datetime.date(1991, 10, 15), 'num_awards': 9, 'id': 4, 'name': u'Morgan Kaufmann'}, {'earliest_book': datetime.date(1995, 1, 15), 'num_awards': 7, 'id': 3, 'name': u'Prentice Hall'}, {'earliest_book': datetime.date(2007, 12, 6), 'num_awards': 3, 'id': 1, 'name': u'Apress'}, {'earliest_book': datetime.date(2008, 3, 3), 'num_awards': 1, 'id': 2, 'name': u'Sams'}] [{'earliest_book': datetime.date(1991, 10, 15), 'num_awards': 9, 'id': 4, 'name': u'Morgan Kaufmann'}, {'earliest_book': datetime.date(1995, 1, 15), 'num_awards': 7, 'id': 3, 'name': u'Prentice Hall'}, {'earliest_book': datetime.date(2007, 12, 6), 'num_awards': 3, 'id': 1, 'name': u'Apress'}, {'earliest_book': datetime.date(2008, 3, 3), 'num_awards': 1, 'id': 2, 'name': u'Sams'}]

View File

@ -48,7 +48,16 @@ class Store(models.Model):
def __unicode__(self): def __unicode__(self):
return self.name return self.name
#Extra does not play well with values. Modify the tests if/when this is fixed. class Entries(models.Model):
EntryID = models.AutoField(primary_key=True, db_column='Entry ID')
Entry = models.CharField(unique=True, max_length=50)
Exclude = models.BooleanField()
class Clues(models.Model):
ID = models.AutoField(primary_key=True)
EntryID = models.ForeignKey(Entries, verbose_name='Entry', db_column = 'Entry ID')
Clue = models.CharField(max_length=150)
__test__ = {'API_TESTS': """ __test__ = {'API_TESTS': """
>>> from django.core import management >>> from django.core import management
>>> from django.db.models import get_app, F >>> from django.db.models import get_app, F
@ -188,6 +197,13 @@ FieldError: Cannot resolve keyword 'foo' into field. Choices are: authors, conta
>>> Publisher.objects.annotate(num_books=Count('book')).exclude(num_books__lt=F('num_awards')/2).order_by('name').values('name','num_books','num_awards') >>> Publisher.objects.annotate(num_books=Count('book')).exclude(num_books__lt=F('num_awards')/2).order_by('name').values('name','num_books','num_awards')
[{'num_books': 2, 'name': u'Apress', 'num_awards': 3}, {'num_books': 0, 'name': u"Jonno's House of Books", 'num_awards': 0}, {'num_books': 1, 'name': u'Sams', 'num_awards': 1}] [{'num_books': 2, 'name': u'Apress', 'num_awards': 3}, {'num_books': 0, 'name': u"Jonno's House of Books", 'num_awards': 0}, {'num_books': 1, 'name': u'Sams', 'num_awards': 1}]
# Tests on fields with non-default table and column names.
>>> Clues.objects.values('EntryID__Entry').annotate(Appearances=Count('EntryID'), Distinct_Clues=Count('Clue', distinct=True))
[]
>>> Entries.objects.annotate(clue_count=Count('clues__ID'))
[]
# Regression for #10089: Check handling of empty result sets with aggregates # Regression for #10089: Check handling of empty result sets with aggregates
>>> Book.objects.filter(id__in=[]).count() >>> Book.objects.filter(id__in=[]).count()
0 0