Class RankFeatureMetaFieldMapper

All Implemented Interfaces:
java.lang.Cloneable, java.lang.Iterable<Mapper>, ToXContent, ToXContentFragment

public class RankFeatureMetaFieldMapper
extends MetadataFieldMapper
This meta field only exists because rank feature fields index everything into a common _feature field and Elasticsearch has a custom codec that complains when fields exist in the index and not in mappings.