List tables

  using 
  
  Google.Cloud.BigQuery.V2 
 
 ; 
 using 
  
 System 
 ; 
 using 
  
 System.Collections.Generic 
 ; 
 using 
  
 System.Linq 
 ; 
 public 
  
 class 
  
 BigQueryListTables 
 { 
  
 public 
  
 void 
  
 ListTables 
 ( 
  
 string 
  
 projectId 
  
 = 
  
 "your-project-id" 
 , 
  
 string 
  
 datasetId 
  
 = 
  
 "your_dataset_id" 
  
 ) 
  
 { 
  
  BigQueryClient 
 
  
 client 
  
 = 
  
  BigQueryClient 
 
 . 
  Create 
 
 ( 
 projectId 
 ); 
  
 // Retrieve list of tables in the dataset 
  
 List<BigQueryTable> 
  
 tables 
  
 = 
  
 client 
 . 
  ListTables 
 
 ( 
 datasetId 
 ). 
 ToList 
 (); 
  
 // Display the results 
  
 if 
  
 ( 
 tables 
 . 
 Count 
 > 
 0 
 ) 
  
 { 
  
 Console 
 . 
 WriteLine 
 ( 
 $"Tables in dataset {datasetId}:" 
 ); 
  
 foreach 
  
 ( 
 var 
  
 table 
  
 in 
  
 tables 
 ) 
  
 { 
  
 Console 
 . 
 WriteLine 
 ( 
 $"\t{table.Reference.TableId}" 
 ); 
  
 } 
  
 } 
  
 else 
  
 { 
  
 Console 
 . 
 WriteLine 
 ( 
 $"{datasetId} does not contain any tables." 
 ); 
  
 } 
  
 } 
 } 
 

  import 
  
 ( 
  
 "context" 
  
 "fmt" 
  
 "io" 
  
 "cloud.google.com/go/bigquery" 
  
 "google.golang.org/api/iterator" 
 ) 
 // listTables demonstrates iterating through the collection of tables in a given dataset. 
 func 
  
 listTables 
 ( 
 w 
  
 io 
 . 
 Writer 
 , 
  
 projectID 
 , 
  
 datasetID 
  
 string 
 ) 
  
 error 
  
 { 
  
 // projectID := "my-project-id" 
  
 // datasetID := "mydataset" 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 client 
 , 
  
 err 
  
 := 
  
 bigquery 
 . 
 NewClient 
 ( 
 ctx 
 , 
  
 projectID 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "bigquery.NewClient: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 defer 
  
 client 
 . 
 Close 
 () 
  
 ts 
  
 := 
  
 client 
 . 
 Dataset 
 ( 
 datasetID 
 ). 
  Tables 
 
 ( 
 ctx 
 ) 
  
 for 
  
 { 
  
 t 
 , 
  
 err 
  
 := 
  
 ts 
 . 
 Next 
 () 
  
 if 
  
 err 
  
 == 
  
 iterator 
 . 
 Done 
  
 { 
  
 break 
  
 } 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 err 
  
 } 
  
 fmt 
 . 
 Fprintf 
 ( 
 w 
 , 
  
 "Table: %q\n" 
 , 
  
 t 
 . 
 TableID 
 ) 
  
 } 
  
 return 
  
 nil 
 } 
 

  import 
  
 com.google.api.gax.paging. Page 
 
 ; 
 import 
  
 com.google.cloud.bigquery. BigQuery 
 
 ; 
 import 
  
 com.google.cloud.bigquery. BigQuery 
. TableListOption 
 
 ; 
 import 
  
 com.google.cloud.bigquery. BigQueryException 
 
 ; 
 import 
  
 com.google.cloud.bigquery. BigQueryOptions 
 
 ; 
 import 
  
 com.google.cloud.bigquery. DatasetId 
 
 ; 
 import 
  
 com.google.cloud.bigquery. Table 
 
 ; 
 public 
  
 class 
 ListTables 
  
 { 
  
 public 
  
 static 
  
 void 
  
 main 
 ( 
 String 
 [] 
  
 args 
 ) 
  
 { 
  
 // TODO(developer): Replace these variables before running the sample. 
  
 String 
  
 projectId 
  
 = 
  
 "bigquery-public-data" 
 ; 
  
 String 
  
 datasetName 
  
 = 
  
 "samples" 
 ; 
  
 listTables 
 ( 
 projectId 
 , 
  
 datasetName 
 ); 
  
 } 
  
 public 
  
 static 
  
 void 
  
 listTables 
 ( 
 String 
  
 projectId 
 , 
  
 String 
  
 datasetName 
 ) 
  
 { 
  
 try 
  
 { 
  
 // Initialize client that will be used to send requests. This client only needs to be created 
  
 // once, and can be reused for multiple requests. 
  
  BigQuery 
 
  
 bigquery 
  
 = 
  
  BigQueryOptions 
 
 . 
 getDefaultInstance 
 (). 
 getService 
 (); 
  
  DatasetId 
 
  
 datasetId 
  
 = 
  
  DatasetId 
 
 . 
 of 
 ( 
 projectId 
 , 
  
 datasetName 
 ); 
  
 Page<Table> 
  
 tables 
  
 = 
  
 bigquery 
 . 
  listTables 
 
 ( 
 datasetId 
 , 
  
 TableListOption 
 . 
 pageSize 
 ( 
 100 
 )); 
  
 tables 
 . 
 iterateAll 
 (). 
 forEach 
 ( 
 table 
  
 - 
>  
 System 
 . 
 out 
 . 
 print 
 ( 
 table 
 . 
 getTableId 
 (). 
 getTable 
 () 
  
 + 
  
 "\n" 
 )); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Tables listed successfully." 
 ); 
  
 } 
  
 catch 
  
 ( 
  BigQueryException 
 
  
 e 
 ) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Tables were not listed. Error occurred: " 
  
 + 
  
 e 
 . 
 toString 
 ()); 
  
 } 
  
 } 
 } 
 

  // Import the Google Cloud client library 
 const 
  
 { 
 BigQuery 
 } 
  
 = 
  
 require 
 ( 
 ' @google-cloud/bigquery 
' 
 ); 
 const 
  
 bigquery 
  
 = 
  
 new 
  
  BigQuery 
 
 (); 
 async 
  
 function 
  
 listTables 
 () 
  
 { 
  
 // Lists tables in 'my_dataset'. 
  
 /** 
 * TODO(developer): Uncomment the following lines before running the sample. 
 */ 
  
 // const datasetId = 'my_dataset'; 
  
 // List all tables in the dataset 
  
 const 
  
 [ 
 tables 
 ] 
  
 = 
  
 await 
  
 bigquery 
 . 
 dataset 
 ( 
 datasetId 
 ). 
  getTables 
 
 (); 
  
 console 
 . 
 log 
 ( 
 'Tables:' 
 ); 
  
 tables 
 . 
 forEach 
 ( 
 table 
  
 = 
>  
 console 
 . 
 log 
 ( 
 table 
 . 
 id 
 )); 
 } 
 

  use Google\Cloud\BigQuery\BigQueryClient; 
 /** 
 * List all the tables in the given dataset. 
 * 
 * @param string $projectId The project Id of your Google Cloud Project. 
 * @param string $datasetId The BigQuery dataset ID. 
 */ 
 function list_tables(string $projectId, string $datasetId): void 
 { 
 $bigQuery = new BigQueryClient([ 
 'projectId' => $projectId, 
 ]); 
 $dataset = $bigQuery->dataset($datasetId); 
 $tables = $dataset->tables(); 
 foreach ($tables as $table) { 
 print($table->id() . PHP_EOL); 
 } 
 } 
 

  from 
  
 google.cloud 
  
 import 
  bigquery 
 
 # Construct a BigQuery client object. 
 client 
 = 
  bigquery 
 
 . 
  Client 
 
 () 
 # TODO(developer): Set dataset_id to the ID of the dataset that contains 
 #                  the tables you are listing. 
 # dataset_id = 'your-project.your_dataset' 
 tables 
 = 
 client 
 . 
  list_tables 
 
 ( 
 dataset_id 
 ) 
 # Make an API request. 
 print 
 ( 
 "Tables contained in ' 
 {} 
 ':" 
 . 
 format 
 ( 
 dataset_id 
 )) 
 for 
 table 
 in 
 tables 
 : 
 print 
 ( 
 " 
 {} 
 . 
 {} 
 . 
 {} 
 " 
 . 
 format 
 ( 
 table 
 . 
 project 
 , 
 table 
 . 
 dataset_id 
 , 
 table 
 . 
 table_id 
 )) 
 

  require 
  
 "google/cloud/bigquery" 
 def 
  
 list_tables 
  
 dataset_id 
  
 = 
  
 "your_dataset_id" 
  
 bigquery 
  
 = 
  
 Google 
 :: 
 Cloud 
 :: 
  Bigquery 
 
 . 
  new 
 
  
 dataset 
  
 = 
  
 bigquery 
 . 
 dataset 
  
 dataset_id 
  
 puts 
  
 "Tables in dataset 
 #{ 
 dataset_id 
 } 
 :" 
  
 dataset 
 . 
 tables 
 . 
 each 
  
 do 
  
 | 
 table 
 | 
  
 puts 
  
 " 
 \t 
 #{ 
 table 
 . 
 table_id 
 } 
 " 
  
 end 
 end