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ignore empty Q objects when combining Q objects.

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This commit is contained in:
Stephan Jaekel 2010-05-14 14:02:39 +02:00
parent 9df725165b
commit 4972bdb383
1 changed files with 4 additions and 2 deletions
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6
mongoengine/queryset.py
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@ -59,8 +59,10 @@ class Q(object):
def _combine(self, other, op):
obj = Q()
obj.query = ['('] + copy.deepcopy(self.query) + [op]
obj.query += copy.deepcopy(other.query) + [')']
if self.query[0]:
obj.query = ['('] + copy.deepcopy(self.query) + [op] + copy.deepcopy(other.query) + [')']
else:
obj.query = copy.deepcopy(other.query)
return obj
def __or__(self, other):