#33374: ExpressionWrapper for ~Q(pk__in=[]) crashes.
-------------------------------------+-------------------------------------
     Reporter:  Stefan Brand         |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  3.1
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:  Accepted
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Changes (by Mariusz Felisiak):

 * component:  Uncategorized => Database layer (models, ORM)
 * stage:  Unreviewed => Accepted


Comment:

 Good catch!

 {{{#!python
 >>> books =
 Book.objects.annotate(selected=ExpressionWrapper(~Q(pk__in=[]),
 output_field=BooleanField())).values('selected')
 >>> list(books)
 Traceback (most recent call last):
   File "/django/django/db/backends/utils.py", line 85, in _execute
     return self.cursor.execute(sql, params)
   File "/django/django/db/backends/sqlite3/base.py", line 420, in execute
     return Database.Cursor.execute(self, query, params)
 sqlite3.OperationalError: near "AS": syntax error
 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/33374#comment:3>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

-- 
You received this message because you are subscribed to the Google Groups 
"Django updates" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/django-updates/069.e93ee1d642e966b50e322929f087dee5%40djangoproject.com.

Reply via email to