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https://issues.apache.org/jira/browse/ARROW-9562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17173216#comment-17173216
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Joris Van den Bossche commented on ARROW-9562:
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[~chj_chj_chj] Can you explain a bit more how you appended to the file? (some
code, ideally a reproducible example)
I am personally not aware of append-functionality (at least in the python
bindings), so it might be you have overwritten the original file while assuming
to append to it.
> [C++] Append table to existing feather file
> -------------------------------------------
>
> Key: ARROW-9562
> URL: https://issues.apache.org/jira/browse/ARROW-9562
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Haejin Choi
> Priority: Major
> Labels: feather
>
> As far as I know, If a new table is appended to existing feather file,
> feather::Reader::Read reads only new one not old one.
> Does this approach not match the purpose of the feather file?
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