Neal Richardson created ARROW-16607:
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Summary: [R] Improve KeyValueMetadata handling
Key: ARROW-16607
URL: https://issues.apache.org/jira/browse/ARROW-16607
Project: Apache Arrow
Issue Type: Improvement
Components: R
Reporter: Neal Richardson
Assignee: Neal Richardson
Fix For: 9.0.0
Followup to ARROW-15271. Among the objectives:
* Push KVM handling in ExecPlan so that Run() preserves the R metadata we want;
also remove the duplicate handling of it for Write()
* Better encapsulate KVM for the the $metadata and $r_metadata so that as a
user/developer, you never have to touch the serialize/deserialize functions,
you just have a list to work with
* Factor out a common utility in r/src for taking cpp11::strings (named
character vector) and producing arrow::KeyValueMetadata
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