标签:amp error: ted please frame ssi creat eterm spark sql
rdd.toDF(schema=None, sampleRatio=Non)
session.createDataFrame(data, schema=None, samplingRatio=None, verifySchema=True)
rdd转换为dataframe可以声明schema,也可以设置samplingRatio,让系统自己去猜测数据集的结构。(Error: Some of types cannot be determined by the first 100 rows, please try again with sampling)
2.
标签:amp error: ted please frame ssi creat eterm spark sql
原文地址:http://www.cnblogs.com/lowseasonwind/p/7755218.html