def to_pb(self):
"""Converts the row filter to a protobuf.
First converts to a :class:`.data_v2_pb2.ColumnRange` and then uses it
in the ``column_range_filter`` field.
:rtype: :class:`.data_v2_pb2.RowFilter`
:returns: The converted current object.
"""
column_range_kwargs = {'family_name': self.column_family_id}
if self.start_column is not None:
if self.inclusive_start:
key = 'start_qualifier_closed'
else:
key = 'start_qualifier_open'
column_range_kwargs[key] = _to_bytes(self.start_column)
if self.end_column is not None:
if self.inclusive_end:
key = 'end_qualifier_closed'
else:
key = 'end_qualifier_open'
column_range_kwargs[key] = _to_bytes(self.end_column)
column_range = data_v2_pb2.ColumnRange(**column_range_kwargs)
return data_v2_pb2.RowFilter(column_range_filter=column_range)
def _ColumnRangePB(*args, **kw):
from google.cloud.bigtable._generated import (data_pb2 as data_v2_pb2)
return data_v2_pb2.ColumnRange(*args, **kw)