On Mon, 6 Jan 2003, Gary Stainburn wrote:
> create view turn_details as
>   select t.*, d.sid as dsid, d.sname as dname,
>               f.sid as fsid, f.sname as fname,
>           (select sum(r.rmiles) as rmiles from rides r where r.rtid = tid)
>             as rmiles
>     from turns t
>     left outer join staff d on t.tfitter = d.sid
>     left outer join staff f on t.tccleaner = f.sid
>     where r.rtid = t.tid
>     order by tdate;
> ERROR:  Relation 'r' does not exist
Do you really need the outer where r.rtid=t.tid?  I would think that the
subselect where clause would already handle that for you.