The Spanner source for importing data
| JSON representation | 
|---|
{ "projectId": string, "instanceId": string, "databaseId": string, "tableId": string, "enableDataBoost": boolean }  | 
            
| Fields | |
|---|---|
projectId | 
              
                 
 The project ID that contains the Spanner source. Has a length limit of 128 characters. If not specified, inherits the project ID from the parent request.  | 
            
instanceId | 
              
                 
 Required. The instance ID of the source Spanner table.  | 
            
databaseId | 
              
                 
 Required. The database ID of the source Spanner table.  | 
            
tableId | 
              
                 
 Required. The table name of the Spanner database that needs to be imported.  | 
            
enableDataBoost | 
              
                 
 Whether to apply data boost on Spanner export. Enabling this option will incur additional cost. More info can be found here.  |