Method make_long_view

datafusion/functions/src/strings.rs:745–757

(&self, length: u32, offset: u32, prefix_bytes: &[u8])

    /// building the view here ourselves is faster.
    #[inline]
    fn make_long_view(&self, length: u32, offset: u32, prefix_bytes: &[u8]) -> u128 {
        let buffer_index: u32 = i32::try_from(self.completed.len())
            .expect("buffer count exceeds i32::MAX")
            as u32;
        ByteView {
            length,
            // length > 12, so prefix_bytes has at least 4 bytes.
            prefix: u32::from_le_bytes(prefix_bytes[..4].try_into().unwrap()),
            buffer_index,
            offset,
        }
        .into()
    }

    /// See [`BulkNullStringArrayBuilder::append_byte_map`].
    ///