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https://issues.apache.org/jira/browse/BEAM-10785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17478104#comment-17478104
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Kenneth Knowles commented on BEAM-10785:
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[~chanyou] if you did open a PR, can you link it to this Jira? Raising to P1
since this is data corruption.
> Support for coder argument in WriteToBigQuery
> ---------------------------------------------
>
> Key: BEAM-10785
> URL: https://issues.apache.org/jira/browse/BEAM-10785
> Project: Beam
> Issue Type: Bug
> Components: io-py-gcp
> Reporter: Nakamura Yu
> Priority: P1
>
> When using WriteToBigQuery to transfer data to BigQuery, non-ascii characters
> are replaced with replacement characters.
> This was due to the RowAsDictJsonCoder being set as the coder for the
> BigQueryBatchFileLoads called inside WriteToBigQuery.
> I want to add coder to the argument of WriteToBigQuery so that I can set a
> coder other than RowAsDictJsonCoder.
> If no problem, I will create a Pull Request next weekend.
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