Neal Richardson created ARROW-13852:
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Summary: [R] Handle Dataset schema metadata in ExecPlan
Key: ARROW-13852
URL: https://issues.apache.org/jira/browse/ARROW-13852
Project: Apache Arrow
Issue Type: New Feature
Components: R
Reporter: Neal Richardson
Fix For: 6.0.0
See https://github.com/apache/arrow/pull/10992#issuecomment-910598194. Scanner
would preserve the schema metadata but ExecPlan does not, and that makes sense
in the general case. But this may result in unexpected behavior in R where we
keep R attributes in the schema metadata.
We could probably determine in ExecPlan$Build which fields in the resulting
Table are just carried forward from the underlying Dataset and pull in metadata
for them to the result.
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