pyspark怎样给rdd添加一列新数据
作者:高景洋 日期:2021-01-13 16:30:50 浏览次数:4102
pyspark中要给rdd增加一列新数据，请看下边的代码。
from pyspark.sql import Row
def add_field(row,refresh_date):
tmp = row.asDict()
tmp['RefreshDate'] = refresh_date
tmp['RandomKey'] = uuid.uuid1().hex
return Row(**tmp)
if __name__ == '__main__':
rdd_data= hbase_rdd.map(lambd m:add_field(m[1],refresh_date)).collect()
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