Re: Sql result b where condition
От | A. Kretschmer |
---|---|
Тема | Re: Sql result b where condition |
Дата | |
Msg-id | 20100125101327.GA5108@a-kretschmer.de обсуждение исходный текст |
Ответ на | Sql result b where condition ("ramasubramanian" <ramasubramanian.g@renaissance-it.com>) |
Ответы |
Re: Sql result b where condition
|
Список | pgsql-performance |
In response to ramasubramanian : Please, create a new mail for a new topic and don't hijack other threads. > Hi all, > I have a table emp. using where condition can i get the result > prioritized. > Take the example below. > > select ENAME,ORIG_SALARY from employee where (ename='Tom' and > orig_salary=2413)or(orig_salary=1234 ) > > if the fist condition(ename='Tom' and orig_salary=2413) is satified then 10 > rows will be returned, for the second condition (orig_salary=1234 ) there > are 20 rows will be returned. > The order of display should be > > The first 10 rows then > next 20 rows. > Thanks & Regards, > Ram For instance: select ENAME,ORIG_SALARY, 1 as my_order from employee where (ename='Tom' and orig_salary=2413) union all select ENAME,ORIG_SALARY, 2 employee where (orig_salary=1234 ) order by my_order. other solution (untested): select ENAME,ORIG_SALARY, case when (ename='Tom' and orig_salary=2413) then 1 else 2 end as my_order from employee where (ename='Tom' and orig_salary=2413)or(orig_salary=1234 ) order by my_order; Regards, Andreas -- Andreas Kretschmer Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) GnuPG: 0x31720C99, 1006 CCB4 A326 1D42 6431 2EB0 389D 1DC2 3172 0C99
В списке pgsql-performance по дате отправления: