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並前往https://www.quora.com/How-can-a-DataFrame-be-directly-saved-as-a-textFile-in-scala-on-Apache-spark

How can a DataFrame be directly saved as a textFile in scala ...

When you say textfile, I am assuming you meant a CSV or a Json File. In the recent version of Spark (2.0), you can do something like this to save to a csv ...

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