1// Copyright 2021 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 15// [START spanner_generated_spanner_Row_Size] 16 17package main 18 19import ( 20 "context" 21 "fmt" 22 23 "cloud.google.com/go/spanner" 24) 25 26const myDB = "projects/my-project/instances/my-instance/database/my-db" 27 28func main() { 29 ctx := context.Background() 30 client, err := spanner.NewClient(ctx, myDB) 31 if err != nil { 32 // TODO: Handle error. 33 } 34 row, err := client.Single().ReadRow(ctx, "Accounts", spanner.Key{"alice"}, []string{"name", "balance"}) 35 if err != nil { 36 // TODO: Handle error. 37 } 38 fmt.Println(row.Size()) // 2 39} 40 41// [END spanner_generated_spanner_Row_Size] 42