sql count逗号分隔值

Question

我很难将查询限制为只计算与csv字符串的所有部分匹配的项目。我当前的查询运行但似乎只计算csv中列出的元素之一，而不是计算与csv匹配的所有活动。我注意到，当我将这些值分开时，有些空格而其他则没空，但我不知道如何解决。

 select (sum (kept)/60) 
   from (select distinct sa.staff_id, sa.service_date, sa.client_id, sa.actual_duration as kept
           from rpt_scheduled_activities as sa
                inner join rpt_staff_performance_target as spt
                   on sa.staff_id = spt.staff_id 
          where (sa.status = 'Kept' 
                 and sa.service_date between '01-nov-2014' and '30-nov-2014' 
                 and sa.activity_name in 
                                      (select regexp_split_to_table(spt.activity,',') 
                                         from rpt_staff_performance_target as spt))
                                      ) as p

感谢您的考虑以及您可以提供的任何提示!!