[jira] [Created] (FLINK-2229) Data sets involving non-primitive arrays cannot be unioned

[Shang Yuanchun (Jira)]

Sebastian Kruse created FLINK-2229:
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             Summary: 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


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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