1// Copyright 2023 Google LLC 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15syntax = "proto3"; 16 17package google.cloud.bigquery.storage.v1; 18 19option csharp_namespace = "Google.Cloud.BigQuery.Storage.V1"; 20option go_package = "cloud.google.com/go/bigquery/storage/apiv1/storagepb;storagepb"; 21option java_multiple_files = true; 22option java_outer_classname = "AvroProto"; 23option java_package = "com.google.cloud.bigquery.storage.v1"; 24option php_namespace = "Google\\Cloud\\BigQuery\\Storage\\V1"; 25 26// Avro schema. 27message AvroSchema { 28 // Json serialized schema, as described at 29 // https://avro.apache.org/docs/1.8.1/spec.html. 30 string schema = 1; 31} 32 33// Avro rows. 34message AvroRows { 35 // Binary serialized rows in a block. 36 bytes serialized_binary_rows = 1; 37 38 // [Deprecated] The count of rows in the returning block. 39 // Please use the format-independent ReadRowsResponse.row_count instead. 40 int64 row_count = 2 [deprecated = true]; 41} 42 43// Contains options specific to Avro Serialization. 44message AvroSerializationOptions { 45 // Enable displayName attribute in Avro schema. 46 // 47 // The Avro specification requires field names to be alphanumeric. By 48 // default, in cases when column names do not conform to these requirements 49 // (e.g. non-ascii unicode codepoints) and Avro is requested as an output 50 // format, the CreateReadSession call will fail. 51 // 52 // Setting this field to true, populates avro field names with a placeholder 53 // value and populates a "displayName" attribute for every avro field with the 54 // original column name. 55 bool enable_display_name_attribute = 1; 56} 57