生成行号

--mysql

--result='yes' 没问题；result='no' 有问题

select companyid,companyname,departmentid,warehouseid,skuid,startinventory,ininventory_hj,outinventory_hj,endinventory,createdate,result from (
select companyid,companyname,departmentid,warehouseid,skuid,a.startinventory,ininventory_hj,outinventory_hj,endinventory,a.createdate,a.rownum,
case when (b.createdate=DATE_add(a.createdate,INTERVAL 1 DAY) && a.endinventory=b.startinventory) || (b.createdate is null && b.rownum is null)  then 'yes' else 'no' end result
from (
select companyid,companyname,departmentid,warehouseid,skuid,startinventory,ininventory_hj,outinventory_hj,endinventory
,createdate,@rownum:=@rownum+1 as rownum
from table,(select @rownum:=0) t
order by createdate) a
left join

 (
select startinventory,createdate,@rownums:=@rownums+1 as rownum
from table,(select @rownums:=0) t
order by createdate) b
on a.rownum=b.rownum-1) c
where result='yes'
order by createdate