Elasticsearch | Use of "docvalue_field" in a search query

(Saiprasad Krishnamurthy) #1

Going through this documentation:


I'm trying to find out a real use case as why one would need the docvalue_field as part of the query? Already these are part of the source and can it not be achieved by means of source filtering ("_source": ....) if we're interested in specific fields?

(system) #2

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