Cannot use “OR” with “NOT _exists_” in Kibana 6.8.0 search bar
问题 I am trying to create one query in the Kibana search bar to retrieve some specific documents. The goal is to get the documents that either have the field "myDate" before 2019-10-08 or "myDate" does not exist. I have documents that meet one or the other condition. I started by creating this query : myDate:<=2019-10-08 OR NOT _exists_:myDate But no documents were returned. Since it did not work, I tried some other ways i found online : myDate:<=2019-10-08 OR NOT (_exists_:myDate) myDate:<=2019