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https://issues.apache.org/jira/browse/FLINK-2229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maximilian Michels updated FLINK-2229:
--------------------------------------
    Affects Version/s: 0.10
                       0.9.0

> Data sets involving non-primitive arrays cannot be unioned
> ----------------------------------------------------------
>
>                 Key: FLINK-2229
>                 URL: https://issues.apache.org/jira/browse/FLINK-2229
>             Project: Flink
>          Issue Type: Bug
>          Components: Java API, Scala API
>    Affects Versions: 0.9, 0.10, 0.9.0
>            Reporter: Sebastian Kruse
>            Assignee: Sebastian Kruse
>             Fix For: 0.10
>
>
> The class {{ObjectArrayTypeInfo}} misses {{equals(...)}} and {{hashCode()}}. 
> This becomes an issue when applying a union to data sets that somehow involve 
> non-primitive arrays, because their data types appear to be different even 
> though they are not.



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