Method set_dict

parquet/src/arrow/array_reader/byte_array_dictionary.rs:256–285

(
        &mut self,
        buf: Bytes,
        num_values: u32,
        encoding: Encoding,
        _is_sorted: bool,
    )

    }

    fn set_dict(
        &mut self,
        buf: Bytes,
        num_values: u32,
        encoding: Encoding,
        _is_sorted: bool,
    ) -> Result<()> {
        if !matches!(
            encoding,
            Encoding::PLAIN | Encoding::RLE_DICTIONARY | Encoding::PLAIN_DICTIONARY
        ) {
            return Err(nyi_err!(
                "Invalid/Unsupported encoding type for dictionary: {}",
                encoding
            ));
        }

        if K::from_usize(num_values as usize).is_none() {
            return Err(general_err!("dictionary too large for index type"));
        }

        let len = num_values as usize;
        let mut buffer = OffsetBuffer::<V>::with_capacity(0);
        let mut decoder = ByteArrayDecoderPlain::new(buf, len, Some(len), self.validate_utf8);
        decoder.read(&mut buffer, usize::MAX)?;

        let array = buffer.into_array(None, self.value_type.clone());
        self.dict = Some(array);
        Ok(())
    }

    fn set_data(
        &mut self,