[jira] [Work logged] (HIVE-24515) Analyze table job can be skipped when stats populated are already accurate

Wed, 03 May 2023 15:45:18 -0700 


     [ 
https://issues.apache.org/jira/browse/HIVE-24515?focusedWorklogId=860443&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-860443
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ASF GitHub Bot logged work on HIVE-24515:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 03/May/23 22:44
            Start Date: 03/May/23 22:44
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #4288:
URL: https://github.com/apache/hive/pull/4288#issuecomment-1533845859

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 860443)
    Time Spent: 4h  (was: 3h 50m)

> Analyze table job can be skipped when stats populated are already accurate
> --------------------------------------------------------------------------
>
>                 Key: HIVE-24515
>                 URL: https://issues.apache.org/jira/browse/HIVE-24515
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Rajesh Balamohan
>            Assignee: Dmitriy Fingerman
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 4h
>  Remaining Estimate: 0h
>
> For non-partitioned tables, stats detail should be present in table level,
> e.g
> {noformat}
> COLUMN_STATS_ACCURATE={"BASIC_STATS":"true","COLUMN_STATS":{"d_current_day":"true"...
>  }}
>   {noformat}
> For partitioned tables, stats detail should be present in partition level,
> {noformat}
> store_sales(ss_sold_date_sk=2451819)
> {totalSize=0, numRows=0, rawDataSize=0, 
> COLUMN_STATS_ACCURATE={"BASIC_STATS":"true","COLUMN_STATS":{"ss_addr_sk":"true"....}}
>  
>  {noformat}
> When stats populated are already accurate, {{analyze table tn compute 
> statistics for columns}} should skip launching the job.
>  
> For ACID tables, stats are auto computed and it can skip computing stats 
> again when stats are accurate.
>  
>  



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