[jira] [Work started] (HIVE-13982) Extensions to RS dedup: execute with different column order and sorting direction if possible

2016-06-24 Thread Jesus Camacho Rodriguez (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-13982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Work on HIVE-13982 started by Jesus Camacho Rodriguez.
--
> Extensions to RS dedup: execute with different column order and sorting 
> direction if possible
> -
>
> Key: HIVE-13982
> URL: https://issues.apache.org/jira/browse/HIVE-13982
> Project: Hive
>  Issue Type: Improvement
>  Components: Physical Optimizer
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-13982.2.patch, HIVE-13982.3.patch, 
> HIVE-13982.4.patch, HIVE-13982.5.patch, HIVE-13982.6.patch, 
> HIVE-13982.7.patch, HIVE-13982.patch
>
>
> Pointed out by [~gopalv].
> RS dedup should kick in for these cases, avoiding an additional shuffle stage.
> {code}
> select state, city, sum(sales) from table
> group by state, city
> order by state, city
> limit 10;
> {code}
> {code}
> select state, city, sum(sales) from table
> group by city, state
> order by state, city
> limit 10;
> {code}
> {code}
> select state, city, sum(sales) from table
> group by city, state
> order by state desc, city
> limit 10;
> {code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

[jira] [Work started] (HIVE-13982) Extensions to RS dedup: execute with different column order and sorting direction if possible

2016-06-22 Thread Jesus Camacho Rodriguez (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-13982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Work on HIVE-13982 started by Jesus Camacho Rodriguez.
--
> Extensions to RS dedup: execute with different column order and sorting 
> direction if possible
> -
>
> Key: HIVE-13982
> URL: https://issues.apache.org/jira/browse/HIVE-13982
> Project: Hive
>  Issue Type: Improvement
>  Components: Physical Optimizer
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-13982.2.patch, HIVE-13982.3.patch, 
> HIVE-13982.4.patch, HIVE-13982.5.patch, HIVE-13982.6.patch, HIVE-13982.patch
>
>
> Pointed out by [~gopalv].
> RS dedup should kick in for these cases, avoiding an additional shuffle stage.
> {code}
> select state, city, sum(sales) from table
> group by state, city
> order by state, city
> limit 10;
> {code}
> {code}
> select state, city, sum(sales) from table
> group by city, state
> order by state, city
> limit 10;
> {code}
> {code}
> select state, city, sum(sales) from table
> group by city, state
> order by state desc, city
> limit 10;
> {code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

[jira] [Work started] (HIVE-13982) Extensions to RS dedup: execute with different column order and sorting direction if possible

2016-06-21 Thread Jesus Camacho Rodriguez (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-13982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Work on HIVE-13982 started by Jesus Camacho Rodriguez.
--
> Extensions to RS dedup: execute with different column order and sorting 
> direction if possible
> -
>
> Key: HIVE-13982
> URL: https://issues.apache.org/jira/browse/HIVE-13982
> Project: Hive
>  Issue Type: Improvement
>  Components: Physical Optimizer
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-13982.2.patch, HIVE-13982.3.patch, 
> HIVE-13982.4.patch, HIVE-13982.5.patch, HIVE-13982.patch
>
>
> Pointed out by [~gopalv].
> RS dedup should kick in for these cases, avoiding an additional shuffle stage.
> {code}
> select state, city, sum(sales) from table
> group by state, city
> order by state, city
> limit 10;
> {code}
> {code}
> select state, city, sum(sales) from table
> group by city, state
> order by state, city
> limit 10;
> {code}
> {code}
> select state, city, sum(sales) from table
> group by city, state
> order by state desc, city
> limit 10;
> {code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

[jira] [Work started] (HIVE-13982) Extensions to RS dedup: execute with different column order and sorting direction if possible

2016-06-20 Thread Jesus Camacho Rodriguez (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-13982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Work on HIVE-13982 started by Jesus Camacho Rodriguez.
--
> Extensions to RS dedup: execute with different column order and sorting 
> direction if possible
> -
>
> Key: HIVE-13982
> URL: https://issues.apache.org/jira/browse/HIVE-13982
> Project: Hive
>  Issue Type: Improvement
>  Components: Physical Optimizer
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-13982.2.patch, HIVE-13982.3.patch, 
> HIVE-13982.4.patch, HIVE-13982.patch
>
>
> Pointed out by [~gopalv].
> RS dedup should kick in for these cases, avoiding an additional shuffle stage.
> {code}
> select state, city, sum(sales) from table
> group by state, city
> order by state, city
> limit 10;
> {code}
> {code}
> select state, city, sum(sales) from table
> group by city, state
> order by state, city
> limit 10;
> {code}
> {code}
> select state, city, sum(sales) from table
> group by city, state
> order by state desc, city
> limit 10;
> {code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)