[jira] [Updated] (ARROW-4748) [Rust] [DataFusion] GROUP BY performance could be optimized

2019-10-12 Thread ASF GitHub Bot (Jira)


 [ 
https://issues.apache.org/jira/browse/ARROW-4748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

ASF GitHub Bot updated ARROW-4748:
--
Labels: pull-request-available  (was: )

> [Rust] [DataFusion] GROUP BY performance could be optimized
> ---
>
> Key: ARROW-4748
> URL: https://issues.apache.org/jira/browse/ARROW-4748
> Project: Apache Arrow
>  Issue Type: Improvement
>  Components: Rust, Rust - DataFusion
>Affects Versions: 0.12.0
>Reporter: Andy Grove
>Assignee: Andy Grove
>Priority: Major
>  Labels: pull-request-available
>
> The logic to build the group by keys is row-based, performing an array 
> downcast on every single group by value. This could be done in a columnar way 
> instead.
>  
> I also wonder if it is possible to avoid converting the result map to an 
> array of map entries.



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[jira] [Updated] (ARROW-4748) [Rust] [DataFusion] GROUP BY performance could be optimized

2019-06-01 Thread Andy Grove (JIRA)


 [ 
https://issues.apache.org/jira/browse/ARROW-4748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andy Grove updated ARROW-4748:
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Fix Version/s: (was: 0.14.0)

> [Rust] [DataFusion] GROUP BY performance could be optimized
> ---
>
> Key: ARROW-4748
> URL: https://issues.apache.org/jira/browse/ARROW-4748
> Project: Apache Arrow
>  Issue Type: Improvement
>  Components: Rust, Rust - DataFusion
>Affects Versions: 0.12.0
>Reporter: Andy Grove
>Priority: Major
>
> The logic to build the group by keys is row-based, performing an array 
> downcast on every single group by value. This could be done in a columnar way 
> instead.
>  
> I also wonder if it is possible to avoid converting the result map to an 
> array of map entries.



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[jira] [Updated] (ARROW-4748) [Rust] [DataFusion] GROUP BY performance could be optimized

2019-03-12 Thread Andy Grove (JIRA)


 [ 
https://issues.apache.org/jira/browse/ARROW-4748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andy Grove updated ARROW-4748:
--
Fix Version/s: (was: 0.13.0)
   0.14.0

> [Rust] [DataFusion] GROUP BY performance could be optimized
> ---
>
> Key: ARROW-4748
> URL: https://issues.apache.org/jira/browse/ARROW-4748
> Project: Apache Arrow
>  Issue Type: Improvement
>  Components: Rust, Rust - DataFusion
>Affects Versions: 0.12.0
>Reporter: Andy Grove
>Priority: Major
> Fix For: 0.14.0
>
>
> The logic to build the group by keys is row-based, performing an array 
> downcast on every single group by value. This could be done in a columnar way 
> instead.
>  
> I also wonder if it is possible to avoid converting the result map to an 
> array of map entries.



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