I was searching for multiple fields in Kibana and I knew that the search string would be part of the query_string. However, there are something I don't fully understand.
When I use an empty string like
status:"", Kibana will give me nothing. However, if I combine it with a non-empty string search for another field, like
serviceName:"abc" AND status:"", it will return the result of
serviceName:"abc" and seems to ignore the
status:"". It will be the same if I put characters like
* inside, as
This really puzzles me. I will be more than grateful if anyone can help me to sort it out. Thank you so much.