unpivot in hive

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执笔经年
执笔经年 2021-01-07 16:39

My Dataset is the output of below sql statement. select * from ( select \'da1\' da1, \'da_amt1\' da_amt1, \'da_action1\' da_action1, \'da_unittype1\' da_unittype1, \'da2

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