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https://issues.apache.org/jira/browse/HIVE-19237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16494616#comment-16494616
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Rui Li commented on HIVE-19237:
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Hey [~kgyrtkirk], how about we do it this way:
# The old id should only be set to the original id if it's a cloned operator.
# Explicitly set the old id in:
{{SerializationUtilities::cloneBaseWork,cloneOperatorTree,clonePlan}}, and
{{Operator::cloneOp,clone}}.
What do you think?
> Only use an operatorId once in a plan
> -------------------------------------
>
> Key: HIVE-19237
> URL: https://issues.apache.org/jira/browse/HIVE-19237
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-19237.01.patch, HIVE-19237.02.patch,
> HIVE-19237.03.patch, HIVE-19237.04.patch, HIVE-19237.05.patch,
> HIVE-19237.05.patch, HIVE-19237.06.patch
>
>
> Column stats autogather plan part is added from a plan compiled by the driver
> itself; however that driver starts to use operatorIds from 1 ; so it's
> possible that 2 SEL_1 operators end up in the same plan...
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