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https://issues.apache.org/jira/browse/ARROW-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16338589#comment-16338589
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ASF GitHub Bot commented on ARROW-1961:
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wesm opened a new pull request #1511: ARROW-1961: [Python] Preserve
pre-existing schema metadata in Parquet files when passing flavor='spark'
URL: https://github.com/apache/arrow/pull/1511
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> [Python] Writing Parquet file with flavor='spark' loses pandas schema metadata
> ------------------------------------------------------------------------------
>
> Key: ARROW-1961
> URL: https://issues.apache.org/jira/browse/ARROW-1961
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.9.0
>
>
> You can see the issue in the {{_sanitize_schema}} method
> https://github.com/apache/arrow/blob/master/python/pyarrow/parquet.py#L201
> see https://github.com/apache/arrow/issues/1452
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