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DataSet数据转换实践.md

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DataSet数据转化实践

相关方法操作可查看:https://ci.apache.org/projects/flink/flink-docs-release-1.6/dev/batch/

笔者实践了两种方法提供参考

data.distinct();
result = input1.join(input2)
               .where(0)       // key of the first input (tuple field 0)
               .equalTo(1);    // key of the second input (tuple field 1)