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https://issues.apache.org/jira/browse/ARROW-11617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Praveen Kumar resolved ARROW-11617.
-----------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 9486
[https://github.com/apache/arrow/pull/9486]
> [C++][Gandiva] Fix nested if-else optimisation in gandiva
> ---------------------------------------------------------
>
> Key: ARROW-11617
> URL: https://issues.apache.org/jira/browse/ARROW-11617
> Project: Apache Arrow
> Issue Type: Bug
> Reporter: Projjal Chanda
> Assignee: Projjal Chanda
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> {color:#1d1c1d}In gandiva, when we have nested if-else statements we reuse
> the local bitmap and treat it is a single logical if - elseif - .. - --else
> condition. However, when he have say another function between them like{color}
> {color:#1d1c1d}IF{color}
> {color:#1d1c1d}THEN{color}
> {color:#1d1c1d}ELSE{color}
> {color:#1d1c1d}function({color}
> {color:#1d1c1d}IF{color}
> {color:#1d1c1d}THEN{color}
> {color:#1d1c1d}ELSE{color}
> {color:#1d1c1d}){color}
> {color:#1d1c1d}in such cases also currently we are doing same thing which can
> lead to incorrect results{color}
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