Using empty string in range query 'gt' returns no documents · Issue #63386 · elastic/elasticsearch · GitHub
Setting empty string as null_value in date field breaks 7.9 upgrade · Issue #62363 · elastic/elasticsearch · GitHub
![How to filter records containing a particular string in a field value for a kibana visualization - Kibana - Discuss the Elastic Stack How to filter records containing a particular string in a field value for a kibana visualization - Kibana - Discuss the Elastic Stack](https://global.discourse-cdn.com/elastic/optimized/3X/b/7/b77ad83b8541572d35d6b884fee046bab213c52e_2_609x500.png)
How to filter records containing a particular string in a field value for a kibana visualization - Kibana - Discuss the Elastic Stack
![Filter document with not null value in Kibana Discover. Should I use "exist", but it still return me docs with empty field - Kibana - Discuss the Elastic Stack Filter document with not null value in Kibana Discover. Should I use "exist", but it still return me docs with empty field - Kibana - Discuss the Elastic Stack](https://global.discourse-cdn.com/elastic/original/3X/d/e/de77ad1470e8cd8e9010318f9f7e940be05d4a92.png)
Filter document with not null value in Kibana Discover. Should I use "exist", but it still return me docs with empty field - Kibana - Discuss the Elastic Stack
![How to filter records containing a particular string in a field value for a kibana visualization - Kibana - Discuss the Elastic Stack How to filter records containing a particular string in a field value for a kibana visualization - Kibana - Discuss the Elastic Stack](https://global.discourse-cdn.com/elastic/optimized/3X/7/e/7e1a184482567c80ce31234263351f9b1adc1a37_2_690x458.png)