#18247: filter and Decimal equality doesn't work
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Reporter: elmopl@… | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.4
(models, ORM) | Resolution:
Severity: Normal | Triage Stage:
Keywords: decimal filter | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Changes (by zbyte64):
* cc: zbyte64 (added)
* needs_docs: => 0
* type: Uncategorized => Bug
* needs_tests: => 0
* needs_better_patch: => 0
Comment:
I believe I have experienced the same issue and it only seems to apply to
Django 1.4 with sqlite.
{{{#!python
from django.db import models
class Transaction(models.Model):
tag = models.CharField(max_length=5)
amount = models.DecimalField(max_digits=19, decimal_places=4)
def test_transaction():
Transaction.objects.all().delete()
Transaction.objects.create(amount=5, tag='a')
Transaction.objects.create(amount=4, tag='a')
Transaction.objects.create(amount=1, tag='b')
Transaction.objects.create(amount='1.5', tag='b')
Transaction.objects.create(amount=1, tag='c')
qs =
Transaction.objects.values('tag').annotate(sumamount=models.Sum('amount'))
print qs #displays 3 results
qs =
Transaction.objects.values('tag').annotate(sumamount=models.Sum('amount')).filter(sumamount__gt=3)
print qs #displays 0 results when using sqlite + Django 1.4, displays
1 result when using mysql or Django 1.3.1
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/18247#comment:1>
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