Xinrong Meng created SPARK-42877:
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Summary: Implement DataFrame.foreach
Key: SPARK-42877
URL: https://issues.apache.org/jira/browse/SPARK-42877
Project: Spark
Issue Type: Improvement
Components: Connect, PySpark
Affects Versions: 3.5.0
Reporter: Xinrong Meng
Maybe we can leverage UDFs to implement that, such as
`df.select(udf(*df.schema)).count()`.
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