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1# -*- coding: utf-8 -*- 

2# Copyright 2024 Google LLC 

3# 

4# Licensed under the Apache License, Version 2.0 (the "License"); 

5# you may not use this file except in compliance with the License. 

6# You may obtain a copy of the License at 

7# 

8# http://www.apache.org/licenses/LICENSE-2.0 

9# 

10# Unless required by applicable law or agreed to in writing, software 

11# distributed under the License is distributed on an "AS IS" BASIS, 

12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

13# See the License for the specific language governing permissions and 

14# limitations under the License. 

15# 

16from __future__ import annotations 

17 

18from typing import MutableMapping, MutableSequence 

19 

20from google.protobuf import descriptor_pb2 # type: ignore 

21import proto # type: ignore 

22 

23__protobuf__ = proto.module( 

24 package="google.cloud.bigquery.storage.v1", 

25 manifest={ 

26 "ProtoSchema", 

27 "ProtoRows", 

28 }, 

29) 

30 

31 

32class ProtoSchema(proto.Message): 

33 r"""ProtoSchema describes the schema of the serialized protocol 

34 buffer data rows. 

35 

36 Attributes: 

37 proto_descriptor (google.protobuf.descriptor_pb2.DescriptorProto): 

38 Descriptor for input message. The provided descriptor must 

39 be self contained, such that data rows sent can be fully 

40 decoded using only the single descriptor. For data rows that 

41 are compositions of multiple independent messages, this 

42 means the descriptor may need to be transformed to only use 

43 nested types: 

44 https://developers.google.com/protocol-buffers/docs/proto#nested 

45 

46 For additional information for how proto types and values 

47 map onto BigQuery see: 

48 https://cloud.google.com/bigquery/docs/write-api#data_type_conversions 

49 """ 

50 

51 proto_descriptor: descriptor_pb2.DescriptorProto = proto.Field( 

52 proto.MESSAGE, 

53 number=1, 

54 message=descriptor_pb2.DescriptorProto, 

55 ) 

56 

57 

58class ProtoRows(proto.Message): 

59 r""" 

60 

61 Attributes: 

62 serialized_rows (MutableSequence[bytes]): 

63 A sequence of rows serialized as a Protocol 

64 Buffer. 

65 See 

66 https://developers.google.com/protocol-buffers/docs/overview 

67 for more information on deserializing this 

68 field. 

69 """ 

70 

71 serialized_rows: MutableSequence[bytes] = proto.RepeatedField( 

72 proto.BYTES, 

73 number=1, 

74 ) 

75 

76 

77__all__ = tuple(sorted(__protobuf__.manifest))