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https://issues.apache.org/jira/browse/SPARK-32721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17186209#comment-17186209
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Apache Spark commented on SPARK-32721:
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User 'sunchao' has created a pull request for this issue:
https://github.com/apache/spark/pull/29567
> Simplify if clauses with null and boolean
> -----------------------------------------
>
> Key: SPARK-32721
> URL: https://issues.apache.org/jira/browse/SPARK-32721
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Chao Sun
> Priority: Major
>
> The following if clause:
> {code:sql}
> if(p, null, false)
> {code}
> can be simplified to:
> {code:sql}
> and(p, null)
> {code}
> And similarly, the following clause:
> {code:sql}
> if(p, null, true)
> {code}
> can be simplified to:
> {code:sql}
> or(p, null)
> {code}
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