alamb commented on code in PR #1720:
URL: https://github.com/apache/arrow-rs/pull/1720#discussion_r880499706
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arrow/src/compute/kernels/concat.rs:
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@@ -102,6 +102,25 @@ pub fn concat(arrays: &[&dyn Array]) -> Result<ArrayRef> {
Ok(make_array(mutable.freeze()))
}
+// Elementwise concatenation of StringArrays
+pub fn string_concat<Offset: OffsetSizeTrait>(
Review Comment:
I also agree that a new string (or `utf8` module) would be good here.
There are a bunch of other potential candidates in datafusion to move into
arrow-rs (kudos to @ovr for implementing many of them initially):
https://github.com/apache/arrow-datafusion/blob/master/datafusion/physical-expr/src/string_expressions.rs
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