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https://issues.apache.org/jira/browse/HIVE-23928?focusedWorklogId=508935&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-508935
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ASF GitHub Bot logged work on HIVE-23928:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Nov/20 00:42
Start Date: 09/Nov/20 00:42
Worklog Time Spent: 10m
Work Description: github-actions[bot] closed pull request #1459:
URL: https://github.com/apache/hive/pull/1459
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Issue Time Tracking
-------------------
Worklog Id: (was: 508935)
Time Spent: 20m (was: 10m)
> Support conversion of not-exists to Anti join directly
> ------------------------------------------------------
>
> Key: HIVE-23928
> URL: https://issues.apache.org/jira/browse/HIVE-23928
> Project: Hive
> Issue Type: Bug
> Reporter: mahesh kumar behera
> Assignee: mahesh kumar behera
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The current anti join conversion does not support direct conversion of
> not-exists to anti join. The not exists sub query is converted first to left
> out join and then its converted to anti join. This may cause some of the
> optimization rule to be skipped.
>
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