andygrove commented on code in PR #554:
URL: https://github.com/apache/datafusion-comet/pull/554#discussion_r1634890732
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core/src/parquet/util/hash_util.rs:
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@@ -45,17 +47,19 @@ const MURMUR_R: i32 = 47;
unsafe fn murmur_hash2_64a(data_bytes: &[u8], seed: u64) -> u64 {
let len = data_bytes.len();
let len_64 = (len / 8) * 8;
- let data_bytes_64 =
- std::slice::from_raw_parts(&data_bytes[0..len_64] as *const [u8] as
*const u64, len / 8);
Review Comment:
This violates a precondition for `from_raw_parts` because `data_bytes` is
not guaranteed to be correctly aligned for `u64`.
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