Package org.apache.arrow.vector.dictionary
package org.apache.arrow.vector.dictionary
-
ClassDescriptionA dictionary (integer to Value mapping) that is used to facilitate dictionary encoding compression.Encoder/decoder for Dictionary encoded
ValueVector
.Benchmarks forDictionaryEncoder
.HashTable used for Dictionary encoding.A manager for association of dictionary IDs to their correspondingDictionary
.Implementation ofDictionaryProvider
that is backed by a hash-map.Sub fields encoder/decoder for Dictionary encodedBaseListVector
.Sub fields encoder/decoder for Dictionary encodedStructVector
.