Oops!
Of course, I meant a sequence.
*Robins*
On Wed, May 14, 2008 at 2:10 PM, Harald Fuchs <[EMAIL PROTECTED]>
wrote:
> In article <[EMAIL PROTECTED]>,
> "Robins Tharakan" <[EMAIL PROTECTED]> writes:
>
> > While we could always check for the query performance reasons, I
> > rather think that this is an overkill for the purpose of mere line
> > numbers.
>
> > If such queries don't change frequently, you could be better off
> > using a simple function that instead adds a 'rownumber' field to the
> > output of the inner SQL query. The 'rownumber' could instead be
> > calculated by simply incrementing it within a FOR loop for each row.
>
> I think a sequence is much simpler:
>
> create temp sequence tmp;
> select nextval('tmp') as rownum,
> contactdate
> from
> myTable
> where
> contactdate > '2007-06-30 23:59:59'
> order by
> contactdate;
>
>
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