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Spark union算子学习使用详解

作者:高景洋 日期:2020-10-25 13:26:51 浏览次数:1418

union:

   合并两个RDD


示例代码:

def my_union():
    data = [1,2,3,4,5]
    rdd1 =sc.parallelize(data)
    data2 = [6,7,8,9,10]
    rdd2 = sc.parallelize(data2)
    result = rdd1.union(rdd2)
    print(result.collect())
输出结果:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]




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