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Posted to jira@arrow.apache.org by "Matteo Sostero (Jira)" <ji...@apache.org> on 2021/03/10 08:50:00 UTC
[jira] [Updated] (ARROW-11922) [R] Implement
feather::feather_metadata(path) in R arrow
[ https://issues.apache.org/jira/browse/ARROW-11922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matteo Sostero updated ARROW-11922:
-----------------------------------
Summary: [R] Implement feather::feather_metadata(path) in R arrow (was: Implement feather::feather_metadata(path) in R arrow)
> [R] Implement feather::feather_metadata(path) in R arrow
> --------------------------------------------------------
>
> Key: ARROW-11922
> URL: https://issues.apache.org/jira/browse/ARROW-11922
> Project: Apache Arrow
> Issue Type: Wish
> Components: R
> Affects Versions: 3.0.0
> Reporter: Matteo Sostero
> Priority: Minor
>
> The old R `feather` package had a function called `feather::feather_metadata()` that allowed to read column names and types from feather files on disk, without opening them. This was useful to select only specific columns when loading a feather file in R with `read_feather(path, columns = c(...)`
> Apparently [there is no direct replacement for this function in arrow|https://stackoverflow.com/a/66540589/926810]. Can one be implemented?
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