Forgot to ask....

From: Unmesh <unmeshl_at_aol.com>
Date: Mon, 25 Oct 1999 11:41:25 -0400
Message-ID: <38147A25.DBC81ABA@aol.com>

What if the decode fuction need to be used with list of values using between operator?
like say

select ...
from ...
where ...

order by decode(ITF.ITEM_TYPE, (between 60 and 64) , 0, (between 30 and 32) , 1, 45, 2, 90, 3, 46, 4, 5);

Any feedback is appreciated..

Thanks
Unmesh

Unmesh wrote:

> Many Thanks Mike...
>
> Have a nice day.
>
> Unmesh
>
> Michel Cadot wrote:
>
> > If you know all the values and the order you can use the decode function:
> >
> > select ...
> > from ...
> > where ...
> > order by decode(ITF.ITEM_TYPE, 60, 0, 30, 1, 45, 2, 90, 3, 46, 4, 5);
> >
> > If you don't know this order but have to calculate it, you can create a
> > function:
> >
> > create or replace function my_order (val ITF.ITEM_TYPE%type) return number
> > as
> > ord number;
> > begin
> > /* calculate an order value, for example: */
> > ord := cos (val * 3.14159265359 / 180);
> > return ord;
> > end;
> > /
> >
> > And then:
> >
> > select ...
> > from ...
> > where ...
> > order by my_order(ITF.ITEM_TYPE);
> >
> > --
> > Have a nice day
> > Michel
> >
> > Unmesh <unmeshl_at_aol.com> a écrit dans le message : 38146C76.33C14E7F_at_aol.com...
> > > Hi all,
> > > I have a problem with the 'order by' clause in SQL. I have a query like
> > >
> > > select
> > > AWD.ITEM_TYPE,
> > > AWD.EMPLID,
> > > AWD.INSTITUTION
> > > FROM PS_STDNT_AWARDS AWD,
> > > PS_ITEM_TYPE_FA ITF
> > > WHERE AWD.EMPLID = 'XXXXX'
> > > AND AWD.INSTITUTION = 'YYYYY'
> > > AND AWD.AID_YEAR = '2000'
> > > AND ((AWD.AWARD_PERIOD = 'A') OR (AWD.AWARD_PERIOD = 'B'))
> > > AND ((AWD.AWARD_STATUS = 'A') OR (AWD.AWARD_STATUS = 'O'))
> > > AND ITF.PRINT_LTR_OPTION <> 'N'
> > > AND ITF.SETID = AWD.SETID
> > > AND ITF.AID_YEAR = '2000'
> > > AND ITF.ITEM_TYPE = AWD.ITEM_TYPE
> > > and itf.item_type in ('60', '30', '45', '90', '46')
> > > AND ITF.EFFDT = (SELECT MAX(EFFDT)
> > > FROM PS_ITEM_TYPE_FA ITF1
> > > WHERE ITF1.SETID = ITF.SETID
> > > AND ITF1.AID_YEAR = ITF.AID_YEAR
> > > AND ITF1.ITEM_TYPE = ITF.ITEM_TYPE
> > > AND ITF1.EFF_STATUS = 'A'
> > > AND ITF1.EFFDT <= sysdate)
> > > ORDER BY ITF.ITEM_TYPE
> > >
> > >
> > > where I want the output to come in a particular order of item types.
> > > Like
> > > 60, 30, 45, 90, 46.
> > >
> > > i.e. I want to produce the output according to a particular order in a
> > > list of values. Which is the way to do this? Any feedback is
> > > appreciated.
> > >
> > > Thanks,
> > > Unmesh
> > >
Received on Mon Oct 25 1999 - 10:41:25 CDT