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https://issues.apache.org/jira/browse/HIVE-12021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14943936#comment-14943936
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Jesus Camacho Rodriguez commented on HIVE-12021:
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[~jpullokkaran], IMO we could solve the correctness issue in this JIRA case,
and check it in 2.0, 1.3, and 1.2.2 asap.
The rule, as it stands with the fix, will cover the same use cases that it
originally covered.
Then I could open another JIRA to extend the rule to cover more cases.
> HivePreFilteringRule may introduce wrong common operands
> --------------------------------------------------------
>
> Key: HIVE-12021
> URL: https://issues.apache.org/jira/browse/HIVE-12021
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Affects Versions: 1.3.0, 1.2.1, 2.0.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Fix For: 1.3.0, 2.0.0, 1.2.2
>
> Attachments: HIVE-12021.01.patch, HIVE-12021.02.patch,
> HIVE-12021.02.patch
>
>
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