Elasticsearch data store — GeoServer 2.21.x User Manual
Finding documents with empty string as value · Issue #7515 · elastic/ elasticsearch · GitHub
Missing vs. Empty Fields - The Elasticsearch Handbook
Stretching the Elasticsearch | SecureFlag
How to filter out blank messages using Kibana and ElasticSearch? - Stack Overflow
Including empty or null values in XML files
NXQL | Nuxeo Documentation
How to Query Data on Elasticsearch — From Zero to Hero! | by Andrea Valenzuela | ForCodeSake | Medium
How to filter out blank messages using Kibana and ElasticSearch? - Stack Overflow
kibana - How to substitute all empty/blank values by "Others" in Elasticsearch? - Stack Overflow
Elasticsearch return empty result page - SuiteCRM General Discussion - SuiteCRM
Replace empty strings with Ruby code - Logstash - Discuss the Elastic Stack
c# - Elastic Search adding empty values for all the documents. How can I add complete object/class? - Stack Overflow
Queries for null or empty strings | Sitecore Documentation
Working with NULL in Databases: Turn Frustration Into Delight
c# - NEST Elastic search empty values in Documents result - Stack Overflow
How To Construct Elasticsearch Queries From A String Using Golang | ObjectRocket
elasticsearch - Elastic Search "must_not" doesn't work with strings at "filter" - Stack Overflow
c# - Why Elasticsearch search query returns hits always empty? - Stack Overflow
ElasticSearch 에서 null 과 empty string 의 차이 - mysetting
