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https://issues.apache.org/jira/browse/SPARK-39105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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XiDuo You updated SPARK-39105:
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Description:
For develpers, if a custom conditional like expression contains common sub
expression then the evaluation order may be changed since Spark will pull out
and eval the common sub expressions first during execution.
Add ConditionalExpression trait is friendly for developers.
was:
For develpers, if a custom conditional like expression contains common sub
expression then the evaluation order may be changed since Spark will pull out
and evla the common sub expressions first during execution.
Add ConditionalExpression trait is friendly for developers.
> Add ConditionalExpression trait
> -------------------------------
>
> Key: SPARK-39105
> URL: https://issues.apache.org/jira/browse/SPARK-39105
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: XiDuo You
> Priority: Major
>
> For develpers, if a custom conditional like expression contains common sub
> expression then the evaluation order may be changed since Spark will pull out
> and eval the common sub expressions first during execution.
> Add ConditionalExpression trait is friendly for developers.
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