Neal Richardson created ARROW-13854:
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Summary: [R] More accurately determine output type of an
aggregation expression
Key: ARROW-13854
URL: https://issues.apache.org/jira/browse/ARROW-13854
Project: Apache Arrow
Issue Type: New Feature
Components: R
Reporter: Neal Richardson
Fix For: 6.0.0
ARROW-13740 added some basic heuristics but the C++ library surely knows the
actual types, we just need to find out how to ask it.
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