I'm running a search (below) that has results that sometimes in certain fields will display in the gui as empty (null) but aren't. We I export the results I see "" as the value in the field. I've tried several things to populate this field with data so I can search on it but I've had no luck. Any thoughts / guidance is greatly appreciated.
| rest /servicesNS/-/-/saved/searches | where disabled=0 AND splunk_server="some_server"
| fillnull value=na next_scheduled_time
When I export the results and open in notepad, results are below: