id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
17930	Error in Queryset with operator | (union queryset) + slice	vini.gracindo@…	Ian Foote	"{{{
class Example:
    name = models.CharField(max_length = 30)
    public = models.BooleanField()
}}}

{{{
>>> Example.objects.create('example 1', False)
<Example: Example object>
>>> Example.objects.create('example 2', False)
<Example: Example object>
>>> Example.objects.create('example 3', True)
<Example: Example object>
>>> Example.objects.create('example 4', True)
<Example: Example object>
>>> Example.objects.create('example 5', False)
<Example: Example object>
>>> query = Example.objects.filter(public = True)
>>> if(query.count() < 3):
...     query = query | Example.objects.filter(public = False).order_by('?')[:1]
...
>>> query.count()
5
>>>
}}}

When using the union of querysets to slice it ""ignores"" the slice and takes all objects where {{{public = false}}}.
"	Bug	closed	Database layer (models, ORM)	1.3	Normal	fixed	queryset union, slice		Ready for checkin	1	0	0	0	0	0