advancedxy commented on code in PR #424:
URL: https://github.com/apache/datafusion-comet/pull/424#discussion_r1600023085
##########
core/src/execution/datafusion/spark_hash.rs:
##########
@@ -218,6 +263,34 @@ fn create_hashes_dictionary<K: ArrowDictionaryKeyType>(
Ok(())
}
+fn create_xxhash64_hashes_dictionary<K: ArrowDictionaryKeyType>(
Review Comment:
This is mostly copied and pasted from `create_hashes_dictionary`, maybe we
should rewrite it with macros?
##########
core/src/execution/datafusion/spark_hash.rs:
##########
@@ -347,6 +513,213 @@ pub fn create_hashes<'a>(
Ok(hashes_buffer)
}
+pub fn create_xxhash64_hashes<'a>(
+ arrays: &[ArrayRef],
+ hashes_buffer: &'a mut [u64],
Review Comment:
It's similar as `create_hashes` as well.
I'm not sure how to define a generic method that take both `&'a mut [u32]`
and `&'a mut [u64]`
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