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https://issues.apache.org/jira/browse/KUDU-2482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16518350#comment-16518350
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Dan Burkert commented on KUDU-2482:
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KUDU-1563 is related, which discusses some other constraints that applications
sometimes want to ignore.
> Add "delete ignore" capability to spark
> ---------------------------------------
>
> Key: KUDU-2482
> URL: https://issues.apache.org/jira/browse/KUDU-2482
> Project: Kudu
> Issue Type: Improvement
> Components: spark
> Affects Versions: 1.7.1
> Reporter: Will Berkeley
> Priority: Major
>
> If a user tries to delete a row from a Kudu table using kudu-spark but the
> row is not present, they receive an exception like
> {{java.lang.RuntimeException: failed to write N rows from DataFrame to Kudu;
> sample errors: Not found: key not found (error 0)}}
> This is the expected behavior, but it might also be nice to allow users to
> ignore PK errors so they can achieve clean semantics of "delete if present,
> else ignore".
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