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https://issues.apache.org/jira/browse/FLINK-1369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14291711#comment-14291711
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ASF GitHub Bot commented on FLINK-1369:
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Github user fhueske commented on the pull request:
https://github.com/apache/flink/pull/316#issuecomment-71447121
Yes, Pojo types with no internal fields would screw up the flat field
addressing of the optimizer.
> The Pojo Serializers/Comparators fail when using Subclasses or Interfaces
> -------------------------------------------------------------------------
>
> Key: FLINK-1369
> URL: https://issues.apache.org/jira/browse/FLINK-1369
> Project: Flink
> Issue Type: Improvement
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
> Priority: Minor
>
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