Create IAM policy

Create an IAM policy for a table.

Code sample

Java

Before trying this sample, follow the Java setup instructions in the BigQuery quickstart using client libraries . For more information, see the BigQuery Java API reference documentation .

To authenticate to BigQuery, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

  import 
  
 com.google.cloud. Identity 
 
 ; 
 import 
  
 com.google.cloud. Policy 
 
 ; 
 import 
  
 com.google.cloud. Role 
 
 ; 
 import 
  
 com.google.cloud.bigquery. BigQuery 
 
 ; 
 import 
  
 com.google.cloud.bigquery. BigQueryException 
 
 ; 
 import 
  
 com.google.cloud.bigquery. BigQueryOptions 
 
 ; 
 import 
  
 com.google.cloud.bigquery. TableId 
 
 ; 
 // Sample to create iam policy for table 
 public 
  
 class 
 CreateIamPolicy 
  
 { 
  
 public 
  
 static 
  
 void 
  
 main 
 ( 
  String 
 
 [] 
  
 args 
 ) 
  
 { 
  
 // TODO(developer): Replace these variables before running the sample. 
  
  String 
 
  
 datasetName 
  
 = 
  
 "MY_DATASET_NAME" 
 ; 
  
  String 
 
  
 tableName 
  
 = 
  
 "MY_TABLE_NAME" 
 ; 
  
 createIamPolicy 
 ( 
 datasetName 
 , 
  
 tableName 
 ); 
  
 } 
  
 public 
  
 static 
  
 void 
  
 createIamPolicy 
 ( 
  String 
 
  
 datasetName 
 , 
  
  String 
 
  
 tableName 
 ) 
  
 { 
  
 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 
 (); 
  
  TableId 
 
  
 tableId 
  
 = 
  
  TableId 
 
 . 
 of 
 ( 
 datasetName 
 , 
  
 tableName 
 ); 
  
  Policy 
 
  
 policy 
  
 = 
  
 bigquery 
 . 
  getIamPolicy 
 
 ( 
 tableId 
 ); 
  
 policy 
  
 . 
 toBuilder 
 () 
  
 . 
  addIdentity 
 
 ( 
  
  Role 
 
 . 
 of 
 ( 
 "roles/bigquery.dataViewer" 
 ), 
  
  Identity 
 
 . 
  user 
 
 ( 
 "example-analyst-group@google.com" 
 )) 
  
 . 
 build 
 (); 
  
 bigquery 
 . 
  setIamPolicy 
 
 ( 
 tableId 
 , 
  
 policy 
 ); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Iam policy created successfully" 
 ); 
  
 } 
  
 catch 
  
 ( 
  BigQueryException 
 
  
 e 
 ) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Iam policy was not created. \n" 
  
 + 
  
 e 
 . 
 toString 
 ()); 
  
 } 
  
 } 
 }

Python

Before trying this sample, follow the Python setup instructions in the BigQuery quickstart using client libraries . For more information, see the BigQuery Python API reference documentation .

To authenticate to BigQuery, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

  from 
  
 google.cloud 
  
 import 
  bigquery 
 
 bqclient 
 = 
  bigquery 
 
 . 
  Client 
 
 () 
 policy 
 = 
 bqclient 
 . 
  get_iam_policy 
 
 ( 
 your_table_id 
 , 
 # e.g. "project.dataset.table" 
 ) 
 analyst_email 
 = 
 "example-analyst-group@google.com" 
 binding 
 = 
 { 
 "role" 
 : 
 "roles/bigquery.dataViewer" 
 , 
 "members" 
 : 
 { 
 f 
 "group: 
 { 
 analyst_email 
 } 
 " 
 }, 
 } 
 policy 
 . 
 bindings 
 . 
 append 
 ( 
 binding 
 ) 
 updated_policy 
 = 
 bqclient 
 . 
  set_iam_policy 
 
 ( 
 your_table_id 
 , 
 # e.g. "project.dataset.table" 
 policy 
 , 
 ) 
 for 
 binding 
 in 
 updated_policy 
 . 
 bindings 
 : 
 print 
 ( 
 repr 
 ( 
 binding 
 ))

What's next

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Code sample

Java

Python

What's next

Create IAM policy