Module dictionary 

Functions

binary_view_to_dictionary 🔒

cast_to_dictionary 🔒

Attempts to encode an array into an ArrayDictionary with index type K and value (dictionary) type value_type

dictionary_cast 🔒

Attempts to cast an ArrayDictionary with index type K into to_type for supported types.

dictionary_to_dictionary_cast 🔒

pack_array_to_dictionary_via_primitive 🔒

Pack a data type into a dictionary array passing the values through a primitive array

pack_byte_to_dictionary 🔒

pack_byte_to_fixed_size_dictionary 🔒

pack_decimal_to_dictionary 🔒

pack_numeric_to_dictionary 🔒

pack_struct_to_dictionary 🔒

Wrap a struct-valued array as a DictionaryArray<K, Struct> with identity keys [0, 1, ..., len-1]. Unlike the primitive / byte packers above, no deduplication is performed, since struct values have no general hash/equality builder in arrow-rs.

string_view_to_dictionary 🔒

unpack_dictionary 🔒

view_from_dict_values 🔒