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olisch
New Contributor
since ‎08-27-2021
‎06-26-2023

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Spark: How to simultaneously read from and write to the same parquet file

09-26-2019
How can I read a DataFrame from a parquet file, do transformations and write this modified DataFrame back to the same same parquet file? If I attempt to do so, I get an error, understandably because spark reads from the source and one cannot writ...