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. |