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https://issues.apache.org/jira/browse/HIVE-9177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14254252#comment-14254252
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Xuefu Zhang commented on HIVE-9177:
-----------------------------------
+1.
> Fix child operator references after NonBlockingOpDeDupProc (II)
> ---------------------------------------------------------------
>
> Key: HIVE-9177
> URL: https://issues.apache.org/jira/browse/HIVE-9177
> Project: Hive
> Issue Type: Bug
> Components: Logical Optimizer
> Affects Versions: 0.15.0
> Reporter: Szehon Ho
> Assignee: Szehon Ho
> Attachments: HIVE-9177.patch
>
>
> Similar to HIVE-9060, I was trying to write another join optimizer that runs
> after NonBlockingOpDeDupProc optimizer proc, and found that more state had
> been corrupted. This is the 'mapJoinContext' which I missed earlier, and is
> separate from 'joinContext'.
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