Mutations write data for STRUCT queries

  void 
  
 WriteDataForStructQueries 
 ( 
 google 
 :: 
 cloud 
 :: 
 spanner 
 :: 
 Client 
  
 client 
 ) 
  
 { 
  
 namespace 
  
 spanner 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 spanner 
 ; 
  
 auto 
  
 commit_result 
  
 = 
  
 client 
 . 
 Commit 
 ( 
  
 spanner 
 :: 
 Mutations 
 { 
 spanner 
 :: 
 InsertMutationBuilder 
 ( 
  
 "Singers" 
 , 
  
 { 
 "SingerId" 
 , 
  
 "FirstName" 
 , 
  
 "LastName" 
 }) 
  
 . 
 EmplaceRow 
 ( 
 6 
 , 
  
 "Elena" 
 , 
  
 "Campbell" 
 ) 
  
 . 
 EmplaceRow 
 ( 
 7 
 , 
  
 "Gabriel" 
 , 
  
 "Wright" 
 ) 
  
 . 
 EmplaceRow 
 ( 
 8 
 , 
  
 "Benjamin" 
 , 
  
 "Martinez" 
 ) 
  
 . 
 EmplaceRow 
 ( 
 9 
 , 
  
 "Hannah" 
 , 
  
 "Harris" 
 ) 
  
 . 
 Build 
 ()}); 
  
 if 
  
 ( 
 ! 
 commit_result 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 commit_result 
 ). 
 status 
 (); 
  
 std 
 :: 
 cout 
 << 
 "Insert was successful " 
 << 
 "[spanner_write_data_for_struct_queries] 
 \n 
 " 
 ; 
 } 
 

  using 
  
  Google.Cloud.Spanner.Data 
 
 ; 
 using 
  
 System.Collections.Generic 
 ; 
 using 
  
 System.Linq 
 ; 
 using 
  
 System.Threading.Tasks 
 ; 
 public 
  
 class 
  
 InsertStructSampleDataAsyncSample 
 { 
  
 public 
  
 class 
  
 Singer 
  
 { 
  
 public 
  
 int 
  
 SingerId 
  
 { 
  
 get 
 ; 
  
 set 
 ; 
  
 } 
  
 public 
  
 string 
  
 FirstName 
  
 { 
  
 get 
 ; 
  
 set 
 ; 
  
 } 
  
 public 
  
 string 
  
 LastName 
  
 { 
  
 get 
 ; 
  
 set 
 ; 
  
 } 
  
 } 
  
 public 
  
 async 
  
 Task<int> 
  
 InsertStructSampleDataAsync 
 ( 
 string 
  
 projectId 
 , 
  
 string 
  
 instanceId 
 , 
  
 string 
  
 databaseId 
 ) 
  
 { 
  
 string 
  
 connectionString 
  
 = 
  
 $"Data Source=projects/{projectId}/instances/{instanceId}/databases/{databaseId}" 
 ; 
  
 List<Singer> 
  
 singers 
  
 = 
  
 new 
  
 List<Singer> 
  
 { 
  
 new 
  
 Singer 
  
 { 
  
 SingerId 
  
 = 
  
 6 
 , 
  
 FirstName 
  
 = 
  
 "Elena" 
 , 
  
 LastName 
  
 = 
  
 "Campbell" 
  
 }, 
  
 new 
  
 Singer 
  
 { 
  
 SingerId 
  
 = 
  
 7 
 , 
  
 FirstName 
  
 = 
  
 "Gabriel" 
 , 
  
 LastName 
  
 = 
  
 "Wright" 
  
 }, 
  
 new 
  
 Singer 
  
 { 
  
 SingerId 
  
 = 
  
 8 
 , 
  
 FirstName 
  
 = 
  
 "Benjamin" 
 , 
  
 LastName 
  
 = 
  
 "Martinez" 
  
 }, 
  
 new 
  
 Singer 
  
 { 
  
 SingerId 
  
 = 
  
 9 
 , 
  
 FirstName 
  
 = 
  
 "Hannah" 
 , 
  
 LastName 
  
 = 
  
 "Harris" 
  
 } 
  
 }; 
  
 using 
  
 var 
  
 connection 
  
 = 
  
 new 
  
  SpannerConnection 
 
 ( 
 connectionString 
 ); 
  
 await 
  
 connection 
 . 
  OpenAsync 
 
 (); 
  
 var 
  
 rows 
  
 = 
  
 await 
  
 Task 
 . 
 WhenAll 
 ( 
 singers 
 . 
  Select 
 
 ( 
 singer 
  
 = 
>  
 { 
  
 var 
  
 cmd 
  
 = 
  
 connection 
 . 
  CreateInsertCommand 
 
 ( 
 "Singers" 
 , 
  
 new 
  
  SpannerParameterCollection 
 
  
 { 
  
 { 
  
 "SingerId" 
 , 
  
  SpannerDbType 
 
 . 
  Int64 
 
 , 
  
 singer 
 . 
 SingerId 
  
 }, 
  
 { 
  
 "FirstName" 
 , 
  
  SpannerDbType 
 
 . 
  String 
 
 , 
  
 singer 
 . 
 FirstName 
  
 }, 
  
 { 
  
 "LastName" 
 , 
  
  SpannerDbType 
 
 . 
  String 
 
 , 
  
 singer 
 . 
 LastName 
  
 } 
  
 }); 
  
 return 
  
 cmd 
 . 
 ExecuteNonQueryAsync 
 (); 
  
 })); 
  
 return 
  
 rows 
 . 
 Sum 
 (); 
  
 } 
 } 
 

  import 
  
 ( 
  
 "context" 
  
 "io" 
  
 "cloud.google.com/go/spanner" 
 ) 
 func 
  
 writeStructData 
 ( 
 w 
  
 io 
 . 
 Writer 
 , 
  
 db 
  
 string 
 ) 
  
 error 
  
 { 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 client 
 , 
  
 err 
  
 := 
  
 spanner 
 . 
 NewClient 
 ( 
 ctx 
 , 
  
 db 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 err 
  
 } 
  
 defer 
  
 client 
 . 
 Close 
 () 
  
 singerColumns 
  
 := 
  
 [] 
 string 
 { 
 "SingerId" 
 , 
  
 "FirstName" 
 , 
  
 "LastName" 
 } 
  
 m 
  
 := 
  
 [] 
 * 
 spanner 
 . 
 Mutation 
 { 
  
 spanner 
 . 
  InsertOrUpdate 
 
 ( 
 "Singers" 
 , 
  
 singerColumns 
 , 
  
 [] 
 interface 
 {}{ 
 6 
 , 
  
 "Elena" 
 , 
  
 "Campbell" 
 }), 
  
 spanner 
 . 
  InsertOrUpdate 
 
 ( 
 "Singers" 
 , 
  
 singerColumns 
 , 
  
 [] 
 interface 
 {}{ 
 7 
 , 
  
 "Gabriel" 
 , 
  
 "Wright" 
 }), 
  
 spanner 
 . 
  InsertOrUpdate 
 
 ( 
 "Singers" 
 , 
  
 singerColumns 
 , 
  
 [] 
 interface 
 {}{ 
 8 
 , 
  
 "Benjamin" 
 , 
  
 "Martinez" 
 }), 
  
 spanner 
 . 
  InsertOrUpdate 
 
 ( 
 "Singers" 
 , 
  
 singerColumns 
 , 
  
 [] 
 interface 
 {}{ 
 9 
 , 
  
 "Hannah" 
 , 
  
 "Harris" 
 }), 
  
 } 
  
 _ 
 , 
  
 err 
  
 = 
  
 client 
 . 
  Apply 
 
 ( 
 ctx 
 , 
  
 m 
 ) 
  
 return 
  
 err 
 } 
 

  static 
  
 void 
  
 writeStructExampleData 
 ( 
 DatabaseClient 
  
 dbClient 
 ) 
  
 { 
  
 final 
  
 List<Singer> 
  
 singers 
  
 = 
  
 Arrays 
 . 
 asList 
 ( 
  
 new 
  
 Singer 
 ( 
 6 
 , 
  
 "Elena" 
 , 
  
 "Campbell" 
 ), 
  
 new 
  
 Singer 
 ( 
 7 
 , 
  
 "Gabriel" 
 , 
  
 "Wright" 
 ), 
  
 new 
  
 Singer 
 ( 
 8 
 , 
  
 "Benjamin" 
 , 
  
 "Martinez" 
 ), 
  
 new 
  
 Singer 
 ( 
 9 
 , 
  
 "Hannah" 
 , 
  
 "Harris" 
 )); 
  
 List<Mutation> 
  
 mutations 
  
 = 
  
 new 
  
 ArrayList 
<> (); 
  
 for 
  
 ( 
 Singer 
  
 singer 
  
 : 
  
 singers 
 ) 
  
 { 
  
 mutations 
 . 
 add 
 ( 
  
 Mutation 
 . 
 newInsertBuilder 
 ( 
 "Singers" 
 ) 
  
 . 
 set 
 ( 
 "SingerId" 
 ) 
  
 . 
 to 
 ( 
 singer 
 . 
 singerId 
 ) 
  
 . 
 set 
 ( 
 "FirstName" 
 ) 
  
 . 
 to 
 ( 
 singer 
 . 
 firstName 
 ) 
  
 . 
 set 
 ( 
 "LastName" 
 ) 
  
 . 
 to 
 ( 
 singer 
 . 
 lastName 
 ) 
  
 . 
 build 
 ()); 
  
 } 
  
 dbClient 
 . 
 write 
 ( 
 mutations 
 ); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Inserted example data for struct parameter queries." 
 ); 
 } 
 

  // Imports the Google Cloud client library 
 const 
  
 { 
 Spanner 
 } 
  
 = 
  
 require 
 ( 
 ' @google-cloud/spanner 
' 
 ); 
 /** 
 * TODO(developer): Uncomment and update the following lines before running the sample. 
 */ 
 // const projectId = 'my-project-id'; 
 // const instanceId = 'my-instance'; 
 // const databaseId = 'my-database'; 
 // Creates a client 
 const 
  
 spanner 
  
 = 
  
 new 
  
  Spanner 
 
 ({ 
  
 projectId 
 : 
  
 projectId 
 , 
 }); 
 // Gets a reference to a Cloud Spanner instance and database 
 const 
  
 instance 
  
 = 
  
 spanner 
 . 
 instance 
 ( 
 instanceId 
 ); 
 const 
  
 database 
  
 = 
  
 instance 
 . 
 database 
 ( 
 databaseId 
 ); 
 // Instantiates Spanner table objects 
 const 
  
 singersTable 
  
 = 
  
 database 
 . 
 table 
 ( 
 'Singers' 
 ); 
 // Inserts rows into the Singers table 
 // Note: Cloud Spanner interprets Javascript numbers as FLOAT64s. 
 // Use strings as shown in this example if you need INT64s. 
 try 
  
 { 
  
 const 
  
 data 
  
 = 
  
 [ 
  
 { 
  
 SingerId 
 : 
  
 '6' 
 , 
  
 FirstName 
 : 
  
 'Elena' 
 , 
  
 LastName 
 : 
  
 'Campbell' 
 , 
  
 }, 
  
 { 
  
 SingerId 
 : 
  
 '7' 
 , 
  
 FirstName 
 : 
  
 'Gabriel' 
 , 
  
 LastName 
 : 
  
 'Wright' 
 , 
  
 }, 
  
 { 
  
 SingerId 
 : 
  
 '8' 
 , 
  
 FirstName 
 : 
  
 'Benjamin' 
 , 
  
 LastName 
 : 
  
 'Martinez' 
 , 
  
 }, 
  
 { 
  
 SingerId 
 : 
  
 '9' 
 , 
  
 FirstName 
 : 
  
 'Hannah' 
 , 
  
 LastName 
 : 
  
 'Harris' 
 , 
  
 }, 
  
 ]; 
  
 await 
  
 singersTable 
 . 
 insert 
 ( 
 data 
 ); 
  
 console 
 . 
 log 
 ( 
 'Inserted data.' 
 ); 
 } 
  
 catch 
  
 ( 
 err 
 ) 
  
 { 
  
 console 
 . 
 error 
 ( 
 'ERROR:' 
 , 
  
 err 
 ); 
 } 
  
 finally 
  
 { 
  
 // Close the database when finished. 
  
 database 
 . 
 close 
 (); 
 } 
 

  use Google\Cloud\Spanner\SpannerClient; 
 /** 
 * Inserts sample data that can be used to test STRUCT parameters in queries. 
 * 
 * The database and table must already exist and can be created using 
 * `create_database`. 
 * Example: 
 * ``` 
 * insert_struct_data($instanceId, $databaseId); 
 * ``` 
 * 
 * @param string $instanceId The Spanner instance ID. 
 * @param string $databaseId The Spanner database ID. 
 */ 
 function insert_struct_data(string $instanceId, string $databaseId): void 
 { 
 $spanner = new SpannerClient(); 
 $instance = $spanner->instance($instanceId); 
 $database = $instance->database($databaseId); 
 $operation = $database->transaction(['singleUse' => true]) 
 ->insertBatch('Singers', [ 
 ['SingerId' => 6, 'FirstName' => 'Elena', 'LastName' => 'Campbell'], 
 ['SingerId' => 7, 'FirstName' => 'Gabriel', 'LastName' => 'Wright'], 
 ['SingerId' => 8, 'FirstName' => 'Benjamin', 'LastName' => 'Martinez'], 
 ['SingerId' => 9, 'FirstName' => 'Hannah', 'LastName' => 'Harris'], 
 ]) 
 ->commit(); 
 print('Inserted data.' . PHP_EOL); 
 } 
 

  def 
  
 write_struct_data 
 ( 
 instance_id 
 , 
 database_id 
 ): 
  
 """Inserts sample data that can be used to test STRUCT parameters 
 in queries. 
 """ 
 spanner_client 
 = 
 spanner 
 . 
 Client 
 () 
 instance 
 = 
 spanner_client 
 . 
 instance 
 ( 
 instance_id 
 ) 
 database 
 = 
 instance 
 . 
 database 
 ( 
 database_id 
 ) 
 with 
 database 
 . 
 batch 
 () 
 as 
 batch 
 : 
 batch 
 . 
 insert 
 ( 
 table 
 = 
 "Singers" 
 , 
 columns 
 = 
 ( 
 "SingerId" 
 , 
 "FirstName" 
 , 
 "LastName" 
 ), 
 values 
 = 
 [ 
 ( 
 6 
 , 
 "Elena" 
 , 
 "Campbell" 
 ), 
 ( 
 7 
 , 
 "Gabriel" 
 , 
 "Wright" 
 ), 
 ( 
 8 
 , 
 "Benjamin" 
 , 
 "Martinez" 
 ), 
 ( 
 9 
 , 
 "Hannah" 
 , 
 "Harris" 
 ), 
 ], 
 ) 
 print 
 ( 
 "Inserted sample data for STRUCT queries" 
 ) 
 

  # project_id  = "Your Google Cloud project ID" 
 # instance_id = "Your Spanner instance ID" 
 # database_id = "Your Spanner database ID" 
 require 
  
 "google/cloud/spanner" 
 spanner 
  
 = 
  
 Google 
 :: 
 Cloud 
 :: 
  Spanner 
 
 . 
 new 
  
 project 
 : 
  
 project_id 
 client 
  
 = 
  
 spanner 
 . 
  client 
 
  
 instance_id 
 , 
  
 database_id 
 client 
 . 
 commit 
  
 do 
  
 | 
 c 
 | 
  
 c 
 . 
 insert 
  
 "Singers" 
 , 
  
 [ 
  
 { 
  
 SingerId 
 : 
  
 6 
 , 
  
 FirstName 
 : 
  
 "Elena" 
 , 
  
 LastName 
 : 
  
 "Campbell" 
  
 }, 
  
 { 
  
 SingerId 
 : 
  
 7 
 , 
  
 FirstName 
 : 
  
 "Gabriel" 
 , 
  
 LastName 
 : 
  
 "Wright" 
  
 }, 
  
 { 
  
 SingerId 
 : 
  
 8 
 , 
  
 FirstName 
 : 
  
 "Benjamin" 
 , 
  
 LastName 
 : 
  
 "Martinez" 
  
 }, 
  
 { 
  
 SingerId 
 : 
  
 9 
 , 
  
 FirstName 
 : 
  
 "Hannah" 
 , 
  
 LastName 
 : 
  
 "Harris" 
  
 } 
  
 ] 
 end 
 puts 
  
 "Inserted Data for Struct queries"