def _str_len(self):
# utf8_length added in pyarrow 4.0.0
if hasattr(pc, "utf8_length"):
result = pc.utf8_length(self._data)
return Int64Dtype().__from_arrow__(result)
else:
return super()._str_len()
def _str_len(self):
if pa_version_under4p0:
fallback_performancewarning(version="4")
return super()._str_len()
result = pc.utf8_length(self._data)
return Int64Dtype().__from_arrow__(result)
def _str_len(self):
if pa_version_under4p0:
return super()._str_len()
result = pc.utf8_length(self._data)
return Int64Dtype().__from_arrow__(result)
def my_string_length(arr, **kwargs):
# arr is a pyarrow.StringArray
return pc.cast(pc.multiply(pc.utf8_length(arr), 2), target_type='int64')
