SQL 实现某时间段的统计业务

select a.ReportPerson,a.sumOfError,b.solvedError
from(select COUNT(ErrorID) as sumOfError,ReportPerson
from PCR_ConstructInfo
where
(ReportTime>beginTime) and (ReportTime<endTime) group by ReportPerson)
a left join
(select ReportPerson,COUNT(ErrorID) as solvedError
from PCR_ConstructInfo
where (State=2) and (ReportTime>beginTime) and (ReportTime<endTime) group by ReportPerson) b
on (a.ReportPerson=b.ReportPerson)