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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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Ufuk Celebi resolved FLINK-2229.
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Resolution: Fixed
Fix Version/s: 0.10
Fixed via c0d3fed.
> 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
> Affects Versions: 0.9
> 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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