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https://issues.apache.org/jira/browse/ARROW-15544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17530653#comment-17530653
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Antoine Gelloz commented on ARROW-15544:
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Hey Matthew,
Sorry for the late reply.
We just tested with your fix and it work perfectly now.
Thank you for your work!
> [Go][Parquet] pqarrow.getOriginSchema error while decoding ARROW:schema
> -----------------------------------------------------------------------
>
> Key: ARROW-15544
> URL: https://issues.apache.org/jira/browse/ARROW-15544
> Project: Apache Arrow
> Issue Type: Bug
> Components: Go, Parquet
> Affects Versions: 7.0.0
> Environment: go1.17, python3.8
> Reporter: Antoine Gelloz
> Assignee: Matthew Topol
> Priority: Minor
> Labels: pull-request-available
> Fix For: 8.0.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Hello !
> This is my first time participating in the open source community as a junior
> developer and I would like to thank you all for your hard work :)
> While using the new pqarrow package for our project
> [Metronlab/bow|https://github.com/Metronlab/bow] to read parquet files
> previously written by Pandas.
> An error is returned by function getOriginSchema if the "ARROW:schema" base64
> encoded value is ending with padding characters.
> This is caused by the use of the
> [RawStdEncoding|https://pkg.go.dev/encoding/base64#pkg-variables] type that
> omits padding characters.
> Is there any reason for using raw encoding instead of standard?
> Here is a repo with a test script to demonstrate the problem:
> [antoinegelloz/arrowparquet|https://github.com/antoinegelloz/arrowparquet]
> Thank you in advance for your help,
> Antoine Gelloz
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