@abc.abstractmethod
    def copy_file(self, src, dst, on_execute, on_completion):
Returns True if the filter predicate contains inequalities filters.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/libvirt/volume/remotefs.py/RemoteFilesystemDriver.copy_file--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/datastore/datastore_query.py/PropertyFilter._has_inequality