https://forums.smartclient.com/forum/smart-gwt-technical-q-a/255041-batchuploadoperationid-in-ds-xml-to-define-the-operationbinding-to-use-with-batchuploader-or-automatic-outputs-primarykeyfieldname-for-this-query-for-performace-reasons
batchUploadOperationId in ds.xml to define the operationBinding to use with BatchUploader OR...
Hi Isomorphic, the idea comes from here (https://forums.smartclient.com/forum/smart-gwt-technical-q-a/241134-enhancement-foreignkey-lookup-operationid