jorgecarleitao commented on a change in pull request #416:
URL: https://github.com/apache/arrow-rs/pull/416#discussion_r646930397
##########
File path: arrow/src/util/bit_chunk_iterator.rs
##########
@@ -137,14 +137,16 @@ impl Iterator for BitChunkIterator<'_> {
// so when reading as u64 on a big-endian machine, the bytes need to
be swapped
let current = unsafe {
std::ptr::read_unaligned(raw_data.add(index)).to_le() };
- let combined = if self.bit_offset == 0 {
+ let bit_offset = self.bit_offset;
+
+ let combined = if bit_offset == 0 {
current
} else {
- let next =
- unsafe { std::ptr::read_unaligned(raw_data.add(index +
1)).to_le() };
+ let next = unsafe {
+ std::ptr::read_unaligned(raw_data.add(index + 1) as *const u8)
as u64
Review comment:
You are right 👍 Good thinking. Thanks for the clarification.
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