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declare @t table(bu_no int,bs_no int,uc_no int,us_no int)
insert into @t
select d.bu_no,c.bs_no,b.uc_no,a.us_no
from KT_U_Student as a
inner join KT_U_Class as b on a.uc_no=b.uc_no
inner join KT_B_Special as c on b.bs_no=c.bs_no
inner join KT_B_Unit as d on c.bu_no=d.bu_no
where a.us_no=1128
select * from @t
select b.ola_no,c.olar_no,
convert(varchar(10),b.ola_date,120) as period_date,
convert(varchar(5),c.olar_starttime,114)+'—'+convert(varchar(5),c.olar_endtime,114) as period_time,
case ola_type when 1 then '学生自拟' when 2 then '指定课题' when 3 then '指定项目' end as ola_itemtype,
case ola_isappseat when 1 then '是' when 0 then '否' end as ola_appseat,
case ola_isexam when 1 then '是' when 0 then '否' end as ola_exam,
ola_maxperson,(select count(*) from KT_EXO_LabAppPerson where olar_no=c.olar_no) as yyy_num
from KT_EXO_LabApplication as a
inner join KT_EXO_LabTimePeriod as b on a.ol_no=b.ol_no
inner join KT_EXO_LabArrangement as c on b.ola_no=c.ola_no
where 1=1 and a.ol_no=1 and ol_islevel=2
--我想让只有当b.ola_openobj=2的时候才进行下面判断,应该怎么做?
and
(
(select count(*) from KT_EXO_LabOpenObj where olobj_type=1 and ola_no=b.ola_no and olobj_id=(select bu_no from @t))>0 --学院
or (select count(*) from KT_EXO_LabOpenObj where olobj_type=2 and ola_no=b.ola_no and olobj_id=(select bs_no from @t))>0 --专业
or (select count(*) from KT_EXO_LabOpenObj where olobj_type=3 and ola_no=b.ola_no and olobj_id=(select uc_no from @t))>0 --班级
or (select count(*) from KT_EXO_LabOpenObj where olobj_type=4 and ola_no=b.ola_no and olobj_id=(select us_no from @t))>0 --学生
)
--没有数据,不能测试,写法是可行的
and
(
case when b.ola_openobj=2 then (select count(*) from KT_EXO_LabOpenObj where olobj_type=1 and ola_no=b.ola_no and olobj_id=(select bu_no from @t)) end>0 --学院
or
case when b.ola_openobj=2 then (select count(*) from KT_EXO_LabOpenObj where olobj_type=2 and ola_no=b.ola_no and olobj_id=(select bs_no from @t)) end>0 --专业
or
case when b.ola_openobj=2 then (select count(*) from KT_EXO_LabOpenObj where olobj_type=3 and ola_no=b.ola_no and olobj_id=(select uc_no from @t)) end>0 --班级
or
case when b.ola_openobj=2 then (select count(*) from KT_EXO_LabOpenObj where olobj_type=4 and ola_no=b.ola_no and olobj_id=(select us_no from @t)) end>0 --学生
)
--你试试下面这种写法
declare @t table(bu_no int,bs_no int,uc_no int,us_no int)
insert into @t
select d.bu_no,c.bs_no,b.uc_no,a.us_no
from KT_U_Student as a
inner join KT_U_Class as b on a.uc_no=b.uc_no
inner join KT_B_Special as c on b.bs_no=c.bs_no
inner join KT_B_Unit as d on c.bu_no=d.bu_no
where a.us_no=1128
select * from @t
if ol_islevel=2
begin
select b.ola_no,c.olar_no,
convert(varchar(10),b.ola_date,120) as period_date,
convert(varchar(5),c.olar_starttime,114)+'—'+convert(varchar(5),c.olar_endtime,114) as period_time,
case ola_type when 1 then '学生自拟' when 2 then '指定课题' when 3 then '指定项目' end as ola_itemtype,
case ola_isappseat when 1 then '是' when 0 then '否' end as ola_appseat,
case ola_isexam when 1 then '是' when 0 then '否' end as ola_exam,
ola_maxperson,(select count(*) from KT_EXO_LabAppPerson where olar_no=c.olar_no) as yyy_num
from KT_EXO_LabApplication as a
inner join KT_EXO_LabTimePeriod as b on a.ol_no=b.ol_no
inner join KT_EXO_LabArrangement as c on b.ola_no=c.ola_no
where 1=1 and a.ol_no=1
and
(
(select count(*) from KT_EXO_LabOpenObj where olobj_type=1 and ola_no=b.ola_no and olobj_id=(select bu_no from @t))>0 --学院
or (select count(*) from KT_EXO_LabOpenObj where olobj_type=2 and ola_no=b.ola_no and olobj_id=(select bs_no from @t))>0 --专业
or (select count(*) from KT_EXO_LabOpenObj where olobj_type=3 and ola_no=b.ola_no and olobj_id=(select uc_no from @t))>0 --班级
or (select count(*) from KT_EXO_LabOpenObj where olobj_type=4 and ola_no=b.ola_no and olobj_id=(select us_no from @t))>0 --学生
)
end
...
--我想让只有当b.ola_openobj=2的时候才进行下面判断,应该怎么做?
and
(
case when b.ola_openobj=2 then (select count(*) from KT_EXO_LabOpenObj where olobj_type=1 and ola_no=b.ola_no and olobj_id=(select bu_no from @t)) end>0 --学院
or
case when b.ola_openobj=2 then (select count(*) from KT_EXO_LabOpenObj where olobj_type=2 and ola_no=b.ola_no and olobj_id=(select bs_no from @t)) end>0 --专业
or
case when b.ola_openobj=2 then (select count(*) from KT_EXO_LabOpenObj where olobj_type=3 and ola_no=b.ola_no and olobj_id=(select uc_no from @t)) end>0 --班级
or
case when b.ola_openobj=2 then (select count(*) from KT_EXO_LabOpenObj where olobj_type=4 and ola_no=b.ola_no and olobj_id=(select us_no from @t)) end>0 --学生
)