Function polars::export::arrow::io::ipc::read::read_dictionary

pub fn read_dictionary<R>(
    batch: DictionaryBatchRef<'_>, 
    fields: &[Field], 
    ipc_schema: &IpcSchema, 
    dictionaries: &mut HashMap<i64, Arc<dyn Array + 'static>, RandomState>, 
    reader: &mut R, 
    block_offset: u64
) -> Result<(), ArrowError> where
    R: Read + Seek, 

This is supported on crate feature io_ipc only.

Read the dictionary from the buffer and provided metadata, updating the dictionaries with the resulting dictionary