#27896: In Django 1.10 when sqlite is used and TIME_ZONE=None a
django.db.utils.OperationalError error is raised when filtering by __date
on a DateTimeField
-------------------------------+--------------------------------------
Reporter: David Black | Owner: nobody
Type: Bug | Status: new
Component: Uncategorized | Version: 1.10
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------+--------------------------------------
Description changed by David Black:
Old description:
> In Django 1.10 when sqlite is used and TIME_ZONE=None a
> django.db.utils.OperationalError error is raised when filtering by __date
> on a DateTimeField.
>
> For example,
> {{{
> ExampleModel.objects.filter(created_date__date=a_date).exists()
> }}}
>
> I have created a test project on github to demonstrate this issue which
> can be found at https://github.com/dbaxa/django-sqlite-datetime-bug .
>
> {{{#!python
> Creating test database for alias 'default'...
> .E
> ======================================================================
> ERROR: test_filter_using__date_not_none_time_zone
> (example.tests.TestExampleModel)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/backends/utils.py", line 64, in execute
> return self.cursor.execute(sql, params)
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/backends/sqlite3/base.py", line 337, in execute
> return Database.Cursor.execute(self, query, params)
> sqlite3.OperationalError: user-defined function raised exception
>
> The above exception was the direct cause of the following exception:
>
> Traceback (most recent call last):
> File "/home/victim/hacking/django-sqlite-bug-
> example/sqlite_datetime_bug/example/tests.py", line 24, in
> test_filter_using__date_not_none_time_zone
> self.shared_test()
> File "/home/victim/hacking/django-sqlite-bug-
> example/sqlite_datetime_bug/example/tests.py", line 20, in shared_test
> self.assertTrue(results.exists())
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/models/query.py", line 660, in exists
> return self.query.has_results(using=self.db)
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/models/sql/query.py", line 494, in has_results
> return compiler.has_results()
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/models/sql/compiler.py", line 806, in has_results
> return bool(self.execute_sql(SINGLE))
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/models/sql/compiler.py", line 835, in execute_sql
> cursor.execute(sql, params)
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/backends/utils.py", line 64, in execute
> return self.cursor.execute(sql, params)
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/utils.py", line 94, in __exit__
> six.reraise(dj_exc_type, dj_exc_value, traceback)
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/utils/six.py", line 685, in reraise
> raise value.with_traceback(tb)
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/backends/utils.py", line 64, in execute
> return self.cursor.execute(sql, params)
> File "/home/victim/.virtualenvs/django/lib/python3.5/site-
> packages/django/db/backends/sqlite3/base.py", line 337, in execute
> return Database.Cursor.execute(self, query, params)
> django.db.utils.OperationalError: user-defined function raised exception
>
> ----------------------------------------------------------------------
> Ran 2 tests in 0.024s
>
> FAILED (errors=1)
> Destroying test database for alias 'default'...
> }}}
>
> This issue does not affect Django 1.11 as it does not allow TIME_ZONE to
> be set to None.
New description:
In Django 1.10 when sqlite is used and TIME_ZONE=None a
django.db.utils.OperationalError error is raised when filtering by __date
on a DateTimeField.
For example,
{{{
ExampleModel.objects.filter(created_date__date=a_date).exists()
}}}
I have created a test project on github to demonstrate this issue which
can be found at https://github.com/dbaxa/django-sqlite-datetime-bug .
{{{#!python
Creating test database for alias 'default'...
.E
======================================================================
ERROR: test_filter_using__date_not_none_time_zone
(example.tests.TestExampleModel)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/backends/utils.py", line 64, in execute
return self.cursor.execute(sql, params)
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/backends/sqlite3/base.py", line 337, in execute
return Database.Cursor.execute(self, query, params)
sqlite3.OperationalError: user-defined function raised exception
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/user/django-sqlite-bug-
example/sqlite_datetime_bug/example/tests.py", line 24, in
test_filter_using__date_not_none_time_zone
self.shared_test()
File "/home/user/django-sqlite-bug-
example/sqlite_datetime_bug/example/tests.py", line 20, in shared_test
self.assertTrue(results.exists())
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/models/query.py", line 660, in exists
return self.query.has_results(using=self.db)
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/models/sql/query.py", line 494, in has_results
return compiler.has_results()
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/models/sql/compiler.py", line 806, in has_results
return bool(self.execute_sql(SINGLE))
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/models/sql/compiler.py", line 835, in execute_sql
cursor.execute(sql, params)
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/backends/utils.py", line 64, in execute
return self.cursor.execute(sql, params)
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/utils.py", line 94, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/utils/six.py", line 685, in reraise
raise value.with_traceback(tb)
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/backends/utils.py", line 64, in execute
return self.cursor.execute(sql, params)
File "/home/user/.virtualenvs/django/lib/python3.5/site-
packages/django/db/backends/sqlite3/base.py", line 337, in execute
return Database.Cursor.execute(self, query, params)
django.db.utils.OperationalError: user-defined function raised exception
----------------------------------------------------------------------
Ran 2 tests in 0.024s
FAILED (errors=1)
Destroying test database for alias 'default'...
}}}
This issue does not affect Django 1.11 as it does not allow TIME_ZONE to
be set to None.
--
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Ticket URL: <https://code.djangoproject.com/ticket/27896#comment:1>
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