question: protected void queryDataSourceMetadata ( PhysicalTable table ) { String resourcePath = String . format ( DATASOURCE_METADATA_QUERY_FORMAT , table . getName ( ) ) ; SuccessCallback success = buildDataSourceMetadataSuccessCallback ( table ) ; HttpErrorCallback errorCallback = getErrorCallback ( table ) ; druidWebService . getJsonObject ( success , errorCallback , failureCallback , resourcePath ) ; }
target:  Queries the data mart for updated datasource metadata and then updates the physical table.