sql server - SQL derived column call number -


i have query below:

 select  top  8  (orderth_strmoviename) top8hotfilms,   convert(char(8), orderth_dtmsessiondatetime, 112) dayofcount,   count( orderth_strmoviename)as filmoccurence    [movies].[dbo].[tblordertickethistory]   convert(char(8), orderth_dtmsessiondatetime, 112) >=                  (select dateadd(dd, 0, datediff(dd, 0, getdate())))    group  orderth_strmoviename ,             convert(char(8), orderth_dtmsessiondatetime, 112)    order filmoccurence desc

the result below:

movies           session day    occurence .tix *san andreas        20150531    2156 *masss              20150531    1954 *tomorrowland       20150531    990 spy                 20150531    825 pitch perfect 2     20150531    374 mad max fury road   20150531    302 *masss              20150601    268 *san andreas        20150601    257

qns now, how derive column called number, end result below?

number movies            session day    occurence .tix    1  *san andreas          20150531    2156    2  *masss                20150531    1954    3  *tomorrowland         20150531    990    4  spy                   20150531    825    5  pitch perfect 2       20150531    374    6  mad max fury road     20150531    302    7  *masss                20150601    268    8  *san andreas          20150601    257

you can try below 

select  top  8 rank()              on (order count( orderth_strmoviename) desc) number,        (orderth_strmoviename) top8hotfilms,       convert(char(8), orderth_dtmsessiondatetime, 112) dayofcount,       count( orderth_strmoviename)as filmoccurence        [movies].[dbo].[tblordertickethistory]       convert(char(8), orderth_dtmsessiondatetime, 112) >=                      (select dateadd(dd, 0, datediff(dd, 0, getdate())))        group  orderth_strmoviename ,                 convert(char(8), orderth_dtmsessiondatetime, 112)

eg:

    create table test (name varchar(10),  age numeric)   insert test values ('john',10);  insert test values('happy',20);  insert test values ('mary',35);   insert test values ('mary',35);  insert test values ('john',10);  select  top  2 row_number() over(order sum(age)) number,      name n,      sum(age) age_sum

from test group name order name

   number   n   age_sum    1     happy   20   2      john   20

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