importrefrompyspark.sql.functionsimportudffrompyspark.sql.typesimportStringType# 定义需要去掉的特殊字符special_chars=r"[!@#$%^&*(),.?\":{}|<>]"# 创建去除特殊字符的函数defremove_special_characters(text):returnre.sub(special_chars,"",text)# 注册 UDFremove_special_chars_udf=udf(remove_specia...
Remove ads Conclusion PySpark is a good entry-point into Big Data Processing. In this tutorial, you learned that you don’t have to spend a lot of time learning up-front if you’re familiar with a few functional programming concepts likemap(),filter(), andbasic Python. In fact, you can...