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valerybriz/exists.py

Created May 2, 2019 21:54
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exists.py
user_queryset = User.objects.all()
# The first hit to the database confirms if at least one object exists.
if user_queryset.exists():
# Another database hit to start fetching the rows in batches.
for user in user_queryset.iterator():
print(user.name)
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