On 2017-02-23 08:21:41 +0530, Robert Haas wrote:
> On Wed, Feb 22, 2017 at 10:33 PM, Nico Williams <nico@cryptonector.com> wrote:
> > On Wed, Feb 22, 2017 at 10:08:38AM -0500, Tom Lane wrote:
> >> Bernd Helmle <mailings@oopsware.de> writes:
> >> >> From time to time, especially during migration projects from Oracle to
> >> > PostgreSQL, i'm faced with people questioning why the alias in the FROM
> >> > clause for subqueries in PostgreSQL is mandatory. The default answer
> >> > here is, the SQL standard requires it.
> >>
> >> Indeed. When I wrote the comment you're referring to, quite a few years
> >> ago now, I thought that popular demand might force us to allow omitted
> >> aliases. But the demand never materialized. At this point it seems
> >> clear to me that there isn't really good reason to exceed the spec here.
> >> It just encourages people to write unportable SQL code.
> >
> > I suspect most users, like me, just roll their eyes, grumble, and put up
> > with it rather than complain. It's a pain point, but tolerable enough
> > that no one bothers to demand a change. Now that it's been done though,
> > allow me to add my voice in favor of it!
>
> +1 to all of that.
+1, too.
