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https://issues.apache.org/jira/browse/FLINK-7627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hequn Cheng closed FLINK-7627.
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Resolution: Not A Problem
> 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
> Priority: Major
>
> {{SingleElementIterable}} is used to merge accumulators and it should be
> serializable considering that it will be serialized when doing checkpoint.
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