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https://issues.apache.org/jira/browse/HIVE-24203?focusedWorklogId=523680&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-523680
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ASF GitHub Bot logged work on HIVE-24203:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Dec/20 00:53
Start Date: 14/Dec/20 00:53
Worklog Time Spent: 10m
Work Description: github-actions[bot] commented on pull request #1531:
URL: https://github.com/apache/hive/pull/1531#issuecomment-744104263
This pull request has been automatically marked as stale because it has not
had recent activity. It will be closed if no further activity occurs.
Feel free to reach out on the [email protected] list if the patch is in
need of reviews.
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Issue Time Tracking
-------------------
Worklog Id: (was: 523680)
Time Spent: 3h 10m (was: 3h)
> Implement stats annotation rule for the LateralViewJoinOperator
> ---------------------------------------------------------------
>
> Key: HIVE-24203
> URL: https://issues.apache.org/jira/browse/HIVE-24203
> Project: Hive
> Issue Type: Improvement
> Components: Physical Optimizer
> Affects Versions: 2.3.7, 3.1.2, 4.0.0
> Reporter: okumin
> Assignee: okumin
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3h 10m
> Remaining Estimate: 0h
>
> StatsRulesProcFactory doesn't have any rules to handle a JOIN by LATERAL VIEW.
> This can cause an underestimation in case that UDTF in LATERAL VIEW generates
> multiple rows.
> HIVE-20262 has already added the rule for UDTF.
> This issue would add the rule for LateralViewJoinOperator.
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