Have you looked at pyspark.sql.functions.udf and the associated examples? 2016년 8월 4일 (목) 오전 9:10, Ben Teeuwen <bteeu...@gmail.com>님이 작성:
> Hi, > > I’d like to use a UDF in pyspark 2.0. As in .. > ________ > > def squareIt(x): > return x * x > > # register the function and define return type > …. > > spark.sql(“”"select myUdf(adgroupid, 'extra_string_parameter') as > function_result from df’) > > _________ > > How can I register the function? I only see registerFunction in the > deprecated sqlContext at > http://spark.apache.org/docs/2.0.0/api/python/pyspark.sql.html. > As the ‘spark’ object unifies hiveContext and sqlContext, what is the new > way to go? > > Ben >
