BUG 9796 Slow Query deleting a task ( error collected by New Relic ) SOLVED

- The query used to check if a task can be deleted was very slow
- Change the businnes logic to check if a task can be deleted

workflow/engine/js/processmap/core/processmap.js

@@ -1540,6 +1540,7 @@ var processmap=function(){
             var r = new leimnud.module.rpc.xmlhttp({
               url: this.options.dataServer,
               args: "action=taskCases&data=" + {
+                pro_uid: this.options.uid,
                 task_uid: data.uid
               }.toJSONString()
             });