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https://issues.apache.org/jira/browse/HIVE-24154?focusedWorklogId=483662&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-483662
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ASF GitHub Bot logged work on HIVE-24154:
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Author: ASF GitHub Bot
Created on: 13/Sep/20 16:04
Start Date: 13/Sep/20 16:04
Worklog Time Spent: 10m
Work Description: jcamachor commented on pull request #1492:
URL: https://github.com/apache/hive/pull/1492#issuecomment-691690227
Thanks for checking Zoltan! I had in draft because I wanted to regenerate
the q files before making it final, but the code was ready to be reviewed.
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Issue Time Tracking
-------------------
Worklog Id: (was: 483662)
Time Spent: 1h (was: 50m)
> Missing simplification opportunity with IN and EQUALS clauses
> -------------------------------------------------------------
>
> Key: HIVE-24154
> URL: https://issues.apache.org/jira/browse/HIVE-24154
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> For instance, in perf driver CBO query 74, there are several filters that
> could be simplified further:
> {code}
> HiveFilter(condition=[AND(=($1, 1999), IN($1, 1998, 1999))])
> {code}
> This may lead to incorrect estimates and leads to unnecessary execution time.
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