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https://issues.apache.org/jira/browse/ARROW-13048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17362948#comment-17362948
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David Li commented on ARROW-13048:
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I can confirm this with both 4.0.1 and the latest master. Turning on debug
logging, I see that the source key has been double-encoded: "x-amz-copy-source:
foo/a*%253D*1/foo.parquet". I also see that Arrow is URL-encoding the source
key as required by the SDK. But the SDK itself URL-encodes the source again!
([source|https://github.com/aws/aws-sdk-cpp/blob/bd00fe8d76e2a774c6342f659b49d4458658f4c3/aws-cpp-sdk-s3-crt/source/model/CopyObjectRequest.cpp#L144-L149])
> [Python] S3FileSystem fails moving filepaths containing = or +
> --------------------------------------------------------------
>
> Key: ARROW-13048
> URL: https://issues.apache.org/jira/browse/ARROW-13048
> Project: Apache Arrow
> Issue Type: Bug
> Affects Versions: 4.0.1
> Reporter: Joerg Schneider
> Priority: Major
>
> Hi Arrow team,
> we have the very common use-case of having partitioned parquet tables on S3,
> written by Spark. These include equals (=) to denote the partition value per
> folder.
>
> In trying to use PyArrows S3FileSystem `move` function, it's not possible to
> move these objects in the bucket underneath a path which contains `=`
> somewhere:
> {code:java}
> OSError: When copying key
> 'table/date=202007/part-00000-e39069c2-0ea6-4a62-85ea-8011047cd4f4.c000.snappy.parquet'
> in bucket 'bucket' to key
> 'table2/date=202007/part-00000-e39069c2-0ea6-4a62-85ea-8011047cd4f4.c000.snappy.parquet'
> in bucket 'bucket': AWS Error [code 133]: The specified key does not
> exist.{code}
> It is also not possible to move, using preemptively URL-quoted paths, like
> these:
>
> {code:java}
> OSError: When copying key
> 'table/date%3D202007/part-00000-e39069c2-0ea6-4a62-85ea-8011047cd4f4.c000.snappy.parquet'
> in bucket 'bucket' to key
> 'table2/date%3D202007/part-00000-e39069c2-0ea6-4a62-85ea-8011047cd4f4.c000.snappy.parquet'
> in bucket 'bucket': AWS Error [code 133]: The specified key does not
> exist.{code}
>
> The source object does definitely exist, it has in fact been returned by a
> FileSelector from PyArrow itself and is just passed to move.
> Is there any configuration option to be set, or special quoting to be used?
> Thanks in advance.
> Joerg
>
>
>
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