Xiangrui Meng created SPARK-31776:
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Summary: Literal lit() supports lists and numpy arrays
Key: SPARK-31776
URL: https://issues.apache.org/jira/browse/SPARK-31776
Project: Spark
Issue Type: New Feature
Components: SQL
Affects Versions: 3.1.0
Reporter: Xiangrui Meng
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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