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// Copyright 2017 Google Inc.
//
// 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
//
// http://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.spanner.v1;
import "google/api/annotations.proto";
import "google/protobuf/struct.proto";
import "google/spanner/v1/keys.proto";
option csharp_namespace = "Google.Cloud.Spanner.V1";
option go_package = "google.golang.org/genproto/googleapis/spanner/v1;spanner";
option java_multiple_files = true;
option java_outer_classname = "MutationProto";
option java_package = "com.google.spanner.v1";
// A modification to one or more Cloud Spanner rows. Mutations can be
// applied to a Cloud Spanner database by sending them in a
// [Commit][google.spanner.v1.Spanner.Commit] call.
message Mutation {
// Arguments to [insert][google.spanner.v1.Mutation.insert], [update][google.spanner.v1.Mutation.update], [insert_or_update][google.spanner.v1.Mutation.insert_or_update], and
// [replace][google.spanner.v1.Mutation.replace] operations.
message Write {
// Required. The table whose rows will be written.
string table = 1;
// The names of the columns in [table][google.spanner.v1.Mutation.Write.table] to be written.
//
// The list of columns must contain enough columns to allow
// Cloud Spanner to derive values for all primary key columns in the
// row(s) to be modified.
repeated string columns = 2;
// The values to be written. `values` can contain more than one
// list of values. If it does, then multiple rows are written, one
// for each entry in `values`. Each list in `values` must have
// exactly as many entries as there are entries in [columns][google.spanner.v1.Mutation.Write.columns]
// above. Sending multiple lists is equivalent to sending multiple
// `Mutation`s, each containing one `values` entry and repeating
// [table][google.spanner.v1.Mutation.Write.table] and [columns][google.spanner.v1.Mutation.Write.columns]. Individual values in each list are
// encoded as described [here][google.spanner.v1.TypeCode].
repeated google.protobuf.ListValue values = 3;
}
// Arguments to [delete][google.spanner.v1.Mutation.delete] operations.
message Delete {
// Required. The table whose rows will be deleted.
string table = 1;
// Required. The primary keys of the rows within [table][google.spanner.v1.Mutation.Delete.table] to delete.
KeySet key_set = 2;
}
// Required. The operation to perform.
oneof operation {
// Insert new rows in a table. If any of the rows already exist,
// the write or transaction fails with error `ALREADY_EXISTS`.
Write insert = 1;
// Update existing rows in a table. If any of the rows does not
// already exist, the transaction fails with error `NOT_FOUND`.
Write update = 2;
// Like [insert][google.spanner.v1.Mutation.insert], except that if the row already exists, then
// its column values are overwritten with the ones provided. Any
// column values not explicitly written are preserved.
Write insert_or_update = 3;
// Like [insert][google.spanner.v1.Mutation.insert], except that if the row already exists, it is
// deleted, and the column values provided are inserted
// instead. Unlike [insert_or_update][google.spanner.v1.Mutation.insert_or_update], this means any values not
// explicitly written become `NULL`.
Write replace = 4;
// Delete rows from a table. Succeeds whether or not the named
// rows were present.
Delete delete = 5;
}
}
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