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https://issues.apache.org/jira/browse/ARROW-9431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17355298#comment-17355298
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Niranda Perera commented on ARROW-9431:
---------------------------------------
[~jorisvandenbossche] [~uwe] my initial idea is the following cases for the
function.
{code:python}
def replace_by_index(source, indices, values)
{code}
array(k) --> array of size k, M <= N
||source||indices||values||output||
|array(N)|array(M)|array(M)|array(N)|
|array(N)|array(M)| scalar|array(N)|
|array(N)|scalar|scalar|array(N)|
That covers all the cases IMO. WDYT?
> [C++/Python] Kernel for SetItem(IntegerArray, values)
> -----------------------------------------------------
>
> Key: ARROW-9431
> URL: https://issues.apache.org/jira/browse/ARROW-9431
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++, Python
> Affects Versions: 2.0.0
> Reporter: Uwe Korn
> Assignee: Niranda Perera
> Priority: Major
>
> We should have a kernel that allows overriding the values of an array using
> an integer array as the indexer and a scalar or array of equal length as the
> values.
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