[jira] [Comment Edited] (ARROW-9430) [C++/Python] Kernel for SetItem(BooleanArray, values)

["Joris Van den Bossche (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-9430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17346924#comment-17346924 ] 

Joris Van den Bossche edited comment on ARROW-9430 at 5/18/21, 2:13 PM:
------------------------------------------------------------------------

Is the intended result here something like
{noformat}
Setitem(array, mask, values) -> new_array

SetItem([1, 2, 3, 4], [true, false, true, null], [4, 5]) -> [4, 2, 5, null]
{noformat}
?


was (Author: lidavidm):
Is the intended result here something like
{noformat}
SetItem([1, 2, 3, 4], [true, false, true, null], [4, 5]) -> [4, 2, 5, null]{noformat}
?

> [C++/Python] Kernel for SetItem(BooleanArray, values)
> -----------------------------------------------------
>
>                 Key: ARROW-9430
>                 URL: https://issues.apache.org/jira/browse/ARROW-9430
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++, Python
>            Reporter: Uwe Korn
>            Priority: Major
>
> We should have a kernel that allows overriding the values of an array by supplying a boolean mask and a scalar or an array of equal length.



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