[GitHub] [spark] HyukjinKwon opened a new pull request, #42714: [SPARK-45000][PYTHON][CONNECT] Implement DataFrame.foreach

Mon, 28 Aug 2023 21:10:08 -0700 


HyukjinKwon opened a new pull request, #42714:
URL: https://github.com/apache/spark/pull/42714

   ### What changes were proposed in this pull request?
   
   This PR implements `DataFrame.foreach` by using Python UDF in Spark Connect
   
   ### Why are the changes needed?
   
   For API parity.
   
   ### Does this PR introduce _any_ user-facing change?
   
   Yes, it adds a new API into Python Spark Connect client.
   
   ### How was this patch tested?
   
   Manually tested with `local-cluster`, and checking the logs:
   
   ```python
   def func(r):
       print(r)
   
   spark.range(10).foreach(func)
   ```
   
   ![Screenshot 2023-08-29 at 1 02 28 
PM](https://github.com/apache/spark/assets/6477701/36fa6e11-a7a3-41db-9c98-1cba515b59f7)
   
   Doctest will be reused too.
   
   ### Was this patch authored or co-authored using generative AI tooling?
   
   No.


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