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Posted to issues@hive.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/07/03 15:58:00 UTC
[jira] [Work logged] (HIVE-21928) Fix for statistics annotation in
nested AND expressions
[ https://issues.apache.org/jira/browse/HIVE-21928?focusedWorklogId=271702&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-271702 ]
ASF GitHub Bot logged work on HIVE-21928:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Jul/19 15:57
Start Date: 03/Jul/19 15:57
Worklog Time Spent: 10m
Work Description: jcamachor commented on pull request #700: HIVE-21928
URL: https://github.com/apache/hive/pull/700
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Issue Time Tracking
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Worklog Id: (was: 271702)
Time Spent: 10m
Remaining Estimate: 0h
> Fix for statistics annotation in nested AND expressions
> -------------------------------------------------------
>
> Key: HIVE-21928
> URL: https://issues.apache.org/jira/browse/HIVE-21928
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Critical
> Labels: pull-request-available
> Attachments: HIVE-21928.01.patch, HIVE-21928.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Discovered while working on HIVE-21867. Having predicates with nested AND expressions may result in different stats, even if predicates are basically similar (from stats estimation standpoint).
> For instance, stats for {{AND(x=5, true, true)}} are different from {{x=5}}.
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