2013/10/11 Andrew Gierth <and...@tao11.riddles.org.uk> > >>>>> "Pavel" == Pavel Stehule <pavel.steh...@gmail.com> writes: > > >> I found so following error message is not too friendly (mainly because > >> this functionality will be new) > >> > >> postgres=# select dense_rank(3,3,2) within group (order by num desc, > odd) > >> from test4; > >> ERROR: Incorrect number of arguments for hypothetical set function > >> LINE 1: select dense_rank(3,3,2) within group (order by num desc, od... > >> ^ > >> > >> Probably some hint should be there? > > Hm, yeah. > > Anyone have ideas for better wording for the original error message, > or a DETAIL or HINT addition? The key point here is that the number of > _hypothetical_ arguments and the number of ordered columns must match, > but we don't currently exclude the possibility that a user-defined > hypothetical set function might have additional non-hypothetical args. > > The first alternative that springs to mind is: > > ERROR: Incorrect number of arguments for hypothetical set function > DETAIL: Number of hypothetical arguments (3) must equal number of ordered > columns (2) > > +1
Pavel > -- > Andrew (irc:RhodiumToad) >
