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https://issues.apache.org/jira/browse/HIVE-19237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16493479#comment-16493479
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Rui Li commented on HIVE-19237:
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Hi [~kgyrtkirk], my concern is there can be multiple logically-same operators.
Does it make sense to remember the original operatorId in the cloned operator,
i.e. add an extra field like "clonedFrom"?
> 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
>
>
> 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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