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annotations.proto
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annotations.proto
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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
package google.cloud.bigquery.storage.v1;
import "google/protobuf/descriptor.proto";
option go_package = "cloud.google.com/go/bigquery/storage/managedwriter/internal/annotations;annotations";
option java_package = "com.google.cloud.bigquery.storage.v1";
option java_multiple_files = true;
option java_outer_classname = "AnnotationsProto";
extend google.protobuf.FieldOptions {
// Setting the column_name extension allows users to reference
// bigquery column independently of the field name in the protocol buffer
// message.
//
// The intended use of this annotation is to reference a destination column
// named using characters unavailable for protobuf field names (e.g. unicode
// characters).
//
// More details about BigQuery naming limitations can be found here:
// https://cloud.google.com/bigquery/docs/schemas#column_names
//
// This extension is currently experimental.
optional string column_name = 454943157;
}