#3501: [patch] sqlite selection on datetime members fail when datefield is null
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Reporter: anonymous | Owner: baumer1122
Status: reopened | Milestone:
Component: Database layer (models, ORM) | Version: SVN
Resolution: | Keywords: sqlite
Stage: Accepted | Has_patch: 1
Needs_docs: 0 | Needs_tests: 1
Needs_better_patch: 0 |
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Comment (by jerry):
Sorry about the formatting. This should have been:
{{{
The problem appears to be with .filter(date__month=x).
Using 1.0.1 I can successfully perform the tests above on my own data,
but when I try __month (without the above patch applied) I get:
>>> Album.objects.filter(purchaseDate__month=3)
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/Library/Python/2.5/site-packages/django/db/models/query.py", line
147, in __repr__
data = list(self[:REPR_OUTPUT_SIZE + 1])
File "/Library/Python/2.5/site-packages/django/db/models/query.py", line
162, in __len__
self._result_cache.extend(list(self._iter))
File "/Library/Python/2.5/site-packages/django/db/models/query.py", line
275, in iterator
for row in self.query.results_iter():
File "/Library/Python/2.5/site-packages/django/db/models/sql/query.py",
line 206, in results_iter
for rows in self.execute_sql(MULTI):
File "/Library/Python/2.5/site-packages/django/db/models/sql/query.py",
line 1734, in execute_sql
cursor.execute(sql, params)
File "/Library/Python/2.5/site-
packages/django/db/backends/sqlite3/base.py", line 168, in execute
return Database.Cursor.execute(self, query, params)
OperationalError: user-defined function raised exception
The same with __day; it fails as above; but applying the patch to
_sqlite_extract,
the errors go away and the filter works as expected. (And I can use the
admin
to focus on the date_hierarchy field.)
}}}
--
Ticket URL: <http://code.djangoproject.com/ticket/3501#comment:9>
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