XiDuo You created SPARK-39105:
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Summary: 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
For develpers, if a custom conditional like expression supports codegen then
the evaluation order may be changed since Spark will pull out and evla the
common sub expressions first during codegen.
Add ConditionalExpression trait is friendly for developers.
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