Seems this item will have to remain for 8.2.  I have added this to TODO:

        o Display IN, INOUT, and OUT parameters in \df+

          It probably requires psql to output newlines in the proper
          column, which is already on the TODO list.


Tom Lane wrote:
> David Fetter <[EMAIL PROTECTED]> writes:
> > I've noticed that \df doesn't do quite what it might when a function
> > is created with named input parameters.  Please find enclosed a patch
> > against CVS TIP that does this better.
> Meanwhile, getting back to the actual merits of the patch ... this is
> not right yet, because it will do the wrong thing when there are OUT
> parameters.  (The proargnames array includes both IN and OUT params,
> and you can't assume that proargnames and proargtypes have corresponding
> subscripts.)  It would probably be a good idea to discuss what display
> we want for a function with OUT parameters, anyway.  The strict columnar
> representation that \df currently uses doesn't scale very well :-(
>                       regards, tom lane
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