Chen-Yuan-Lai commented on code in PR #14826:
URL: https://github.com/apache/datafusion/pull/14826#discussion_r2013574522
##########
datafusion/functions/src/crypto/basic.rs:
##########
@@ -328,6 +322,37 @@ impl DigestAlgorithm {
}
}
}
+
+ pub fn digest_binary_array_impl<'a, BinaryArrType>(
+ self,
+ input_value: BinaryArrType,
+ ) -> ArrayRef
+ where
+ BinaryArrType: BinaryArrayType<'a>,
+ {
+ match self {
+ Self::Md5 => digest_to_array!(Md5, input_value),
+ Self::Sha224 => digest_to_array!(Sha224, input_value),
+ Self::Sha256 => digest_to_array!(Sha256, input_value),
+ Self::Sha384 => digest_to_array!(Sha384, input_value),
+ Self::Sha512 => digest_to_array!(Sha512, input_value),
+ Self::Blake2b => digest_to_array!(Blake2b512, input_value),
+ Self::Blake2s => digest_to_array!(Blake2s256, input_value),
+ Self::Blake3 => {
+ let binary_array: BinaryArray = input_value
+ .iter()
+ .map(|opt| {
+ opt.map(|x| {
+ let mut digest = Blake3::default();
+ digest.update(x);
+ Blake3::finalize(&digest).as_bytes().to_vec()
+ })
+ })
+ .collect();
+ Arc::new(binary_array)
+ }
+ }
+ }
Review Comment:
I found that these two array types don't share a common trait that would
allow implementing a single generic function. Since the key difference is in
how bytes are accessed, I'll keep these functions separate to maintain type
safety.
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