rishvin commented on code in PR #16350:
URL: https://github.com/apache/datafusion/pull/16350#discussion_r2138403551
##########
datafusion/spark/src/function/math/hex.rs:
##########
@@ -192,7 +195,7 @@ pub fn spark_hex(args: &[ColumnarValue]) ->
Result<ColumnarValue, DataFusionErro
let hexed: StringArray = array
.iter()
- .map(|v| v.map(hex_bytes).transpose())
+ .map(|v| v.map(|b| hex_bytes(b, true)).transpose())
Review Comment:
Thanks @getChan for pointing this out. In that case, I will make change for
SHA2 hex representation only. Here is one example from spark-shell of SHA2,
```
scala> spark.sql("SELECT sha2('abc', 256) AS sha256_value").show(false)
+----------------------------------------------------------------+
|sha256_value |
+----------------------------------------------------------------+
|ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad|
+----------------------------------------------------------------+
```
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