HIVE（員工問題--連續工作時間段及工資）

求每個員工的連續工作時間段及工資和 select name, first1, last1,salary * (datediff(last1, first1)+1)as salary   from (select name, num, salary, min(date) as first1, max(date) as last1           from (SELECT a.name, a.da

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