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https://issues.apache.org/jira/browse/HIVE-1117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12833118#action_12833118
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Zheng Shao commented on HIVE-1117:
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Hi Jeff, Hive was using the XMLEncoder for the plan from the beginning. I don't
see a strong reason that we need to switch now. Maybe we can revisit it at some
time later when there is a need.
Also, I have a question for Avro: does it support circular dependency in the
object graph? For example, a plan object that contains a field which is an
operator object, and the operator object contains a field which stores the plan
object.
> Make QueryPlan serializable
> ---------------------------
>
> Key: HIVE-1117
> URL: https://issues.apache.org/jira/browse/HIVE-1117
> Project: Hadoop Hive
> Issue Type: Improvement
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Fix For: 0.6.0
>
>
> We need to make QueryPlan serializable so that we can resume the query some
> time later.
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