Type Definition arrow_array::builder::LargeBinaryDictionaryBuilder
source · pub type LargeBinaryDictionaryBuilder<K> = GenericByteDictionaryBuilder<K, GenericBinaryType<i64>>;
Expand description
Array builder for DictionaryArray
that stores large binary. For example to map a set of byte indices
to binary values. Note that the use of a HashMap
here will not scale to very large
arrays or result in an ordered dictionary.