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

2023-05-03 Thread Dmitriy Fingerman (Jira) 


 [ 
https://issues.apache.org/jira/browse/HIVE-24515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Dmitriy Fingerman reassigned HIVE-24515:


Assignee: Dmitriy Fingerman  (was: mahesh kumar behera)

> 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: 3h 40m
>  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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[jira] [Assigned] (HIVE-24515) Analyze table job can be skipped when stats populated are already accurate

2020-12-13 Thread mahesh kumar behera (Jira) 


 [ 
https://issues.apache.org/jira/browse/HIVE-24515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

mahesh kumar behera reassigned HIVE-24515:
--

Assignee: mahesh kumar behera

> 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: mahesh kumar behera
>Priority: Major
>
> 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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