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Added a exists() method which returns boolean whether the result for query exists #383

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Added a exists() method which returns boolean whether the result for query exists #383

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9 changes: 9 additions & 0 deletions mongoengine/queryset/queryset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,15 @@ def __len__(self):

self._len = len(self._result_cache)
return self._len

def exists(self):
"""
Returns a boolean whether the result exists or not
"""
if self.__len__() != 0:
return True
else:
return False

def __iter__(self):
"""Iteration utilises a results cache which iterates the cursor
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