Package org.apache.arrow.vector.dictionary

Interface Summary

Interface	Description
DictionaryProvider	A manager for association of dictionary IDs to their corresponding Dictionary.

Class Summary

Class	Description
Dictionary	A dictionary (integer to Value mapping) that is used to facilitate dictionary encoding compression.
DictionaryEncoder	Encoder/decoder for Dictionary encoded ValueVector.
DictionaryHashTable	HashTable used for Dictionary encoding.
DictionaryProvider.MapDictionaryProvider	Implementation of DictionaryProvider that is backed by a hash-map.
ListSubfieldEncoder	Sub fields encoder/decoder for Dictionary encoded BaseListVector.
StructSubfieldEncoder	Sub fields encoder/decoder for Dictionary encoded StructVector.