如何获取这个sql语句的行数 count(*)获取不正确 向sql高手求救
1个回答
展开全部
select
count(*)
from
(
select
dtn,
sum(case
when
type='comm'
then
change_value
else
0
end)
as
comm,
sum(case
when
type='reward'
then
change_value
else
0
end)
as
reward,
sum(case
when
type='allowance'
then
change_value
else
0
end)
as
allowance
from
`cn_member_comm_log`
group
by
dtn
)
f
count(*)
from
(
select
dtn,
sum(case
when
type='comm'
then
change_value
else
0
end)
as
comm,
sum(case
when
type='reward'
then
change_value
else
0
end)
as
reward,
sum(case
when
type='allowance'
then
change_value
else
0
end)
as
allowance
from
`cn_member_comm_log`
group
by
dtn
)
f
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
