I have a perfectly legal query into my database. When I add
'order_by' some field, it gives the results just fine. But when I add
distinct() to it, it dies:
>>> res.order_by('blk__name')
[<B# 171: eudswmy qv eyslqw>, <B# 171: eudswmy qv eyslqw edskbp nvdpi
ldoyzb>, <B# 171: eudswmy qv>, <B# 84: hqmnlbt rle atocv>, <B# 84:
hqmnlbt rle atocv>]
>>> res.order_by('block__name').distinct()
Traceback (most recent call last):
File "<console>", line 1, in ?
File "/usr/lib/python2.4/site-packages/django/db/models/query.py",
line 143, in __repr__
return repr(list(self))
File "/usr/lib/python2.4/site-packages/django/db/models/query.py",
line 155, in __len__
self._result_cache.extend(list(self._iter))
File "/usr/lib/python2.4/site-packages/django/db/models/query.py",
line 273, in iterator
obj = self.model(*row[index_start:])
File "/usr/lib/python2.4/site-packages/django/db/models/base.py",
line 181, in __init__
raise IndexError("Number of args exceeds number of fields")
IndexError: Number of args exceeds number of fields
Is this a known bug? Or am I doing something wrong? Note that I am
tracking the development version.
Strangely, if I order_by a different field (one that is not a
ForeignKey), then the problem goes away.
Thanks,
Brian
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