tustvold commented on code in PR #4057:
URL: https://github.com/apache/arrow-datafusion/pull/4057#discussion_r1011377458
##########
datafusion/physical-expr/src/hash_utils.rs:
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@@ -68,15 +68,15 @@ hash_value!(i8, i16, i32, i64, i128, i256, u8, u16, u32,
u64);
hash_value!(bool, str, [u8]);
macro_rules! hash_float_value {
- ($($t:ty),+) => {
+ ($(($t:ty, $i:ty)),+) => {
$(impl HashValue for $t {
fn hash_one(&self, state: &RandomState) -> u64 {
- state.hash_one(self.to_le_bytes())
+ state.hash_one(<$i>::from_ne_bytes(self.to_ne_bytes()))
Review Comment:
See https://github.com/apache/arrow-datafusion/issues/4051
TLDR OrderedFloat is a more strict ordering than we need
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