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Posted to jira@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2020/06/29 21:28:00 UTC

[jira] [Created] (ARROW-9271) [R] Preserve data frame metadata in round trip

Neal Richardson created ARROW-9271:
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             Summary: [R] Preserve data frame metadata in round trip
                 Key: ARROW-9271
                 URL: https://issues.apache.org/jira/browse/ARROW-9271
             Project: Apache Arrow
          Issue Type: Improvement
          Components: R
            Reporter: Neal Richardson
             Fix For: 2.0.0


ARROW-8899 collects R attributes from the columns of a data.frame (including recursively in data frame columns), adds them to arrow schema metadata, and restores them when pulling a data frame into R. However, any attributes on the outer data frame itself are not preserved. These are lost in some autosplice magic code before {{AddMetadataFromDots}} can collect it.



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