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csdn
6 年
SPARK SQL等效的Qualify + Row_number语句
有谁知道Apache Spark SQL获得与标准SQL qualify()+ rnk或row_number语句相同的结果的最佳方式吗? 例如: 我有称为statement_data与每个为100个独特的account_numbers 12个月记录的火花数据帧,因此1200在总 记录每个每月记录有一个被称为“statement_date”,可以字段被用于确定 ...
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