> > Thanks Martijn, Barry,
> > I was wondering whether it could be done in a single query.
> > I want users to decide how many countries they want,
> > and show world sales on top of report followed by the N countries.
> > This to enable relative country shares, both for reporting and
> > graphs.
> > For example, Top-10 countries + Rest in a pie graph.
> > So I need one additional row in the Top-N query.
> > >
> > >>Anybody with smart ideas to get Top-N rows plus the rest row ?
> > >>Suppose I have ranked sales values descending for 2005, like:
> > >>Select Country, Sum(Sales) AS Sales From myTable
> > >>Where Year=2005 Group By Country
> > >>Order By Sales DESC LIMIT 25;
> > >>
> > >>Then I get Top-25 sales rows, but I also want a rest row,
> > >>where all 26 rows represent the world total.
> > >>I'm using MySQL 5.0.15.
> > >
> > > What about just removing the LIMIT clause?
> > >
> > > Or, alternatively, do a skip of the first 25 rows? (check the docs
> > > for that)
> > >
> > >
> > > Do you want to get this in a single result, or additional result?
>
> Have you considered using the WITH ROLLUP modifier?
>
> Select Country
> , Sum(Sales) AS Sales
> >From myTable
> Where Year=2005
> Group By Country WITH ROLLUP
> Order By Sales DESC
> LIMIT 25;
>
> http://dev.mysql.com/doc/refman/5.0/en/select.html
That sounds like what he needs, excellent :-)
Martijn Tonies
Database Workbench - development tool for Firebird and more!
Upscene Productions
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