Package org.apache.druid.query.lookup
package org.apache.druid.query.lookup
-
ClassDescriptionSimilar to
MapLookupExtractor, but immutable, and also reversible without iterating the entire map.Users of Lookup Extraction need to implement aLookupExtractorFactorysupplier of typeLookupExtractor.ProvidesLookupExtractorFactoryContainerto query and indexing time dimension transformations.This interface is empty because it only exists to signal intent.ASegmentthat is based on aLookupExtractor.LookupsState<T>