pepijnve commented on code in PR #17131:
URL: https://github.com/apache/datafusion/pull/17131#discussion_r2271156842
##########
datafusion/functions/src/string/chr.rs:
##########
@@ -47,22 +47,14 @@ pub fn chr(args: &[ArrayRef]) -> Result<ArrayRef> {
for integer in integer_array {
match integer {
Some(integer) => {
- if integer == 0 {
- return exec_err!("null character not permitted.");
- } else if integer < 0 {
- return exec_err!("negative input not permitted.");
- } else {
- match core::char::from_u32(integer as u32) {
- Some(c) => {
- builder.append_value(c.encode_utf8(&mut buf));
- }
- None => {
- return exec_err!(
- "requested character too large for encoding."
- );
- }
+ if integer >= 0 && integer <= u32::MAX as i64 {
Review Comment:
That's better indeed. Code adjusted.
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