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Posted to issues@hive.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/04/22 18:27:00 UTC

[jira] [Work logged] (HIVE-21634) Materialized view rewriting over aggregate operators containing with grouping sets

     [ https://issues.apache.org/jira/browse/HIVE-21634?focusedWorklogId=230821&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-230821 ]

ASF GitHub Bot logged work on HIVE-21634:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 22/Apr/19 18:26
            Start Date: 22/Apr/19 18:26
    Worklog Time Spent: 10m 
      Work Description: jcamachor commented on pull request #602: HIVE-21634
URL: https://github.com/apache/hive/pull/602
 
 
   
 
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 230821)
            Time Spent: 10m
    Remaining Estimate: 0h

> Materialized view rewriting over aggregate operators containing with grouping sets
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-21634
>                 URL: https://issues.apache.org/jira/browse/HIVE-21634
>             Project: Hive
>          Issue Type: Improvement
>          Components: Materialized views
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21634.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> A possible approach to support rewriting queries with an aggregate with grouping sets is implementing a rule that splits the aggregate in the query into an aggregate without grouping sets (bottom) and an aggregate with grouping sets (top). Then the materialized view rewriting rule will trigger on the former.



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