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https://issues.apache.org/jira/browse/HIVE-19237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16494962#comment-16494962
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Zoltan Haindrich commented on HIVE-19237:
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[~lirui] no problem...before going back to v5; I would like to propose another
approach: instead of keeping the old opids; I added markers to the operator
https://github.com/kgyrtkirk/hive/commit/797f1b44aca8bc279fb0277c6c7c570e3e13686e#diff-e23ed80edf697a98c3fd52bdc61ee5aaR105
I've used the original OPID in the marker to make sure that multiple DPP
applications doesn't interfere with eachother (but I think that might never
happen)....
> 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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