Function polars_arrow::compute::cast::dictionary_to_dictionary_values

source · 
pub fn dictionary_to_dictionary_values<K: DictionaryKey>(
    from: &DictionaryArray<K>,
    values_type: &ArrowDataType,
) -> PolarsResult<DictionaryArray<K>>
Available on crate feature compute_cast only.
Expand description

Casts a DictionaryArray to a new DictionaryArray by keeping the keys and casting the values to values_type.

§Errors

This function errors if the values are not castable to values_type