Dewey Dunnington created ARROW-15013:
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             Summary: [R] Expose concatenate at the R level
                 Key: ARROW-15013
                 URL: https://issues.apache.org/jira/browse/ARROW-15013
             Project: Apache Arrow
          Issue Type: Improvement
          Components: R
            Reporter: Dewey Dunnington


Currently {{arrow::Concatenate()}} is not exposed at the R level. I imagine the 
preferred way to deal with this from a user perspective is to use 
{{ChunkedArray$create()}} for this; however, from a developer perspective it's 
very difficult to replicate this functionality. For example, another package 
using the Arrow C API might want to use the arrow R package to concatenate 
record batches complex nested types instead of implementing it themselves.

Example usage in C++: 
https://github.com/apache/arrow/blob/9cf4275a19c994879172e5d3b03ade9a96a10721/r/src/r_to_arrow.cpp#L1215



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