def has_partition_hash(self):
return self._buffer is not Noneand len(self._buffer) >= HEAP_DATA_OVERHEADand unpack_from(FMT_BE_INT, self._buffer, PARTITION_HASH_OFFSET)[<NUM_LIT:0>] != <NUM_LIT:0><EOL>
Determines whether this Data has partition hash or not.

:return: (bool), ``true`` if Data has partition hash, ``false`` otherwise.