+# UPDATE myslice:slice SET researcher=['ple.upmc.jordan_auge','ple.inria.thierry_parmentelat','ple.upmc.loic_baron','ple.upmc.ciro_scognamiglio','ple.upmc.mohammed-yasin_rahman','ple.upmc.azerty'] where slice_hrn=='ple.upmc.myslicedemo'
+ query_current_users = Query.get('slice').select('user').filter_by('slice_hrn','==',slice_params['hrn'])
+ results_current_users = execute_query(request, query_current_users)
+ slice_params['researcher'] = slice_params['researcher'] | results_current_users