Re: TODO items for window functions

Robert Haas wrote:
> > I am not thrilled about inventing a new column for this, but how about
> > a display like so:
> >
> > regression=# \df nth_value
> >                        List of functions
> >   Schema   |   Name    | Result data type |       Argument data types
> > ------------+-----------+------------------+---------------------------------
> >  pg_catalog | nth_value | anyelement       | anyelement, integer OVER window
> >
> > or some other addition that only shows up when needed.
> 
> I think this whole idea is a bad one.  In the current release, you can do
> 
> DROP FUNCTION Name ( Argument data types )
> 
> ...and it will work.  Maybe you will say that no one is doing this via
> a script (which I wouldn't bet on, but it's possible) but I'm sure
> people are doing it via cut and paste, because I have done exactly
> this thing.  Any of the various proposals for hacking up Argument data
> types will make this no longer true, and somebody will get confused.
> I think you should bite the bullet and add a "type" column (f for
> regular function and w for window?  could there be others in the
> future?).

I assume this is still an open issue.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
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