[jira] [Created] (FLINK-7627) SingleElementIterable should implement with Serializable

[Shang Yuanchun (Jira)]

Hequn Cheng created FLINK-7627:
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             Summary: SingleElementIterable should implement with Serializable
                 Key: FLINK-7627
                 URL: https://issues.apache.org/jira/browse/FLINK-7627
             Project: Flink
          Issue Type: Bug
          Components: Table API & SQL
            Reporter: Hequn Cheng
            Assignee: Hequn Cheng


{{SingleElementIterable}} is used to merge accumulators and it should be serializable considering that it will be serialized when doing checkpoint.



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