[
https://issues.apache.org/jira/browse/HIVE-24154?focusedWorklogId=483662&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-483662
]
ASF GitHub Bot logged work on HIVE-24154:
-----------------------------------------
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.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
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.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
