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https://issues.apache.org/jira/browse/ARROW-6823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17079994#comment-17079994
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Neal Richardson commented on ARROW-6823:
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[~wesm] [~jorisvandenbossche] so is this resolved now by feather v2?
> [C++][Python][R] Support metadata in the feather format?
> --------------------------------------------------------
>
> Key: ARROW-6823
> URL: https://issues.apache.org/jira/browse/ARROW-6823
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Python, R
> Reporter: Joris Van den Bossche
> Priority: Major
> Labels: feather
>
> This might need to wait / could be enabled by the feather v2 (ARROW-5510),
> but thought to open a specific issue about it: do we want to support saving
> metadata in feather files?
> With Parquet files, you can have file-level metadata (which we currently use
> to eg store the pandas_metadata). I think it would be useful to have a
> similar mechanism for Feather files.
> A use case where this came up is in GeoPandas where we would like to store
> the Coordinate Reference System identifier of the geometry data inside the
> file, to avoid needing a sidecar file just for that.
> In a v2 world (using the IPC format), I suppose this could be the metadata of
> the Schema.
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