Weijun-H commented on code in PR #3763:
URL: https://github.com/apache/arrow-rs/pull/3763#discussion_r1120941333
##########
arrow-string/src/concat_elements.rs:
##########
@@ -156,10 +158,35 @@ pub fn concat_elements_utf8_many<Offset: OffsetSizeTrait>(
Ok(unsafe { builder.build_unchecked() }.into())
}
+pub fn concat_elements_dyn(
+ left: &dyn Array,
+ right: &dyn Array,
+) -> Result<ArrayRef, ArrowError> {
+ if left.data_type() != right.data_type() {
+ return Err(ArrowError::ComputeError(format!(
+ "Cannot concat arrays of different types: {} != {}",
+ left.data_type(),
+ right.data_type()
+ )));
+ }
+ match (left.data_type(), right.data_type()) {
Review Comment:
Do I need to write a separate concat function for `LargeUtf8` or is it
unnecessary since `concat_elements_utf8` can already handle `LargeUtf8`?
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