摘要:
hive rownumber内置函数使用例子Hive-0.11.0中内置row_number函数org.apache.hadoop.hive.ql.exe.FunctionRegistry registerHiveUDAFsAsWindowFunctions();registerWindowFunction("row_number", new GenericUDAFRowNumber()); --row_number实现类registerWindowFunction("rank", new GenericUDAFRank());registerWindo 阅读全文