Is there a better way to check if there are any hits on a query than
using query.count()>0 ?

I find myself doing something like this a lot:
modelList = MyModel.objects.filter(someMember=m)
if modelList.count() > 0:
  return modelList[0]

I really don't care how many there are, so the count might be a waste.
But if the count just checks the max index, and is an O(1) operation,
I don't really care too much.

Ivan
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