ShiKaiWi commented on code in PR #6767:
URL: https://github.com/apache/arrow-datafusion/pull/6767#discussion_r1243079994
##########
datafusion/sql/src/expr/value.rs:
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@@ -357,3 +366,63 @@ fn has_units(val: &str) -> bool {
|| val.ends_with("nanosecond")
|| val.ends_with("nanoseconds")
}
+
+/// Try to decode bytes from hex literal string.
+///
+/// None will be returned if the input literal is hex-invalid.
+fn try_decode_hex_literal(s: &str) -> Option<Vec<u8>> {
Review Comment:
I guess the error detail of the decode failure is not necessary because the
original invalid hex string literal is enough for troubleshooting if decode
fails.
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