[jira] [Assigned] (ARROW-1561) [C++] Kernel implementations for "isin" (set containment)

2019-07-31 Thread Micah Kornfield (JIRA) 


 [ 
https://issues.apache.org/jira/browse/ARROW-1561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Micah Kornfield reassigned ARROW-1561:
--

Assignee: Preeti Suman

> [C++] Kernel implementations for "isin" (set containment)
> -
>
> Key: ARROW-1561
> URL: https://issues.apache.org/jira/browse/ARROW-1561
> Project: Apache Arrow
>  Issue Type: New Feature
>  Components: C++
>Reporter: Wes McKinney
>Assignee: Preeti Suman
>Priority: Major
>  Labels: Analytics, pull-request-available
> Fix For: 0.15.0
>
>  Time Spent: 21h 20m
>  Remaining Estimate: 0h
>
> isin determines whether each element in the left array is contained in the 
> values in the right array. This function must handle the case where the right 
> array has nulls (so that null in the left array will return true)
> {code}
> isin(['a', 'b', null], ['a', 'c'])
> returns [true, false, null]
> isin(['a', 'b', null], ['a', 'c', null])
> returns [true, false, true]
> {code}
> May need an option to return false for null instead of null



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[jira] [Assigned] (ARROW-1561) [C++] Kernel implementations for "isin" (set containment)

2019-06-21 Thread Micah Kornfield (JIRA) 


 [ 
https://issues.apache.org/jira/browse/ARROW-1561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Micah Kornfield reassigned ARROW-1561:
--

Assignee: (was: Uwe L. Korn)

> [C++] Kernel implementations for "isin" (set containment)
> -
>
> Key: ARROW-1561
> URL: https://issues.apache.org/jira/browse/ARROW-1561
> Project: Apache Arrow
>  Issue Type: New Feature
>  Components: C++
>Reporter: Wes McKinney
>Priority: Major
>  Labels: Analytics, pull-request-available
> Fix For: 1.0.0
>
>  Time Spent: 12h
>  Remaining Estimate: 0h
>
> isin determines whether each element in the left array is contained in the 
> values in the right array. This function must handle the case where the right 
> array has nulls (so that null in the left array will return true)
> {code}
> isin(['a', 'b', null], ['a', 'c'])
> returns [true, false, null]
> isin(['a', 'b', null], ['a', 'c', null])
> returns [true, false, true]
> {code}
> May need an option to return false for null instead of null



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[jira] [Assigned] (ARROW-1561) [C++] Kernel implementations for "isin" (set containment)

2018-08-22 Thread Uwe L. Korn (JIRA) 


 [ 
https://issues.apache.org/jira/browse/ARROW-1561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Uwe L. Korn reassigned ARROW-1561:
--

Assignee: Uwe L. Korn

> [C++] Kernel implementations for "isin" (set containment)
> -
>
> Key: ARROW-1561
> URL: https://issues.apache.org/jira/browse/ARROW-1561
> Project: Apache Arrow
>  Issue Type: New Feature
>  Components: C++
>Reporter: Wes McKinney
>Assignee: Uwe L. Korn
>Priority: Major
>  Labels: Analytics
> Fix For: 0.11.0
>
>
> isin determines whether each element in the left array is contained in the 
> values in the right array. This function must handle the case where the right 
> array has nulls (so that null in the left array will return true)
> {code}
> isin(['a', 'b', null], ['a', 'c'])
> returns [true, false, null]
> isin(['a', 'b', null], ['a', 'c', null])
> returns [true, false, true]
> {code}
> May need an option to return false for null instead of null



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