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https://issues.apache.org/jira/browse/SPARK-31776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17626844#comment-17626844
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Xinrong Meng commented on SPARK-31776:
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`lit` supports Python list and NumPy arrays in
https://issues.apache.org/jira/browse/SPARK-39405 in Spark 3.4.0.
> Literal lit() supports lists and numpy arrays
> ---------------------------------------------
>
> Key: SPARK-31776
> URL: https://issues.apache.org/jira/browse/SPARK-31776
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Xiangrui Meng
> Priority: Major
>
> In ML workload, it is common to replace null feature vectors with some
> default value. However, lit() does not support Python list and numpy arrays
> at input. Users cannot simply use fillna() to get the job done.
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