tustvold commented on code in PR #1762:
URL: https://github.com/apache/arrow-rs/pull/1762#discussion_r885459663
##########
parquet/src/data_type.rs:
##########
@@ -1194,8 +1196,8 @@ make_type!(
impl FromBytes for Int96 {
type Buffer = [u8; 12];
- fn from_le_bytes(_bs: Self::Buffer) -> Self {
- unimplemented!()
+ fn from_le_bytes(bs: Self::Buffer) -> Self {
+ Self::from_ne_bytes(bs)
Review Comment:
It looks correct to me, it is a bit funky because Int96 is internally
represented as a [u32; 3] with the least significant u32 first (i.e. little
endian).
So on a big endian machine, you need to decode to big endian u32, which are
then stored in a little endian array :exploding_head:
In practice Int96 is deprecated, and I'm not sure there are any big endian
platforms supported by this crate, but good to be thorough :+1:.
> how should i test this
It should be covered by the existing tests, I'll create a ticket for
clarifying how this is being handled crate-wide
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