Re: Changed SRF in targetlist handling

On Mon, May 23, 2016 at 01:36:57PM -0400, Tom Lane wrote:
> David Fetter <david@fetter.org> writes:
> > On Mon, May 23, 2016 at 01:10:29PM -0400, Tom Lane wrote:
> >> This seems a bridge too far to me.  It's just way too common to do
> >> "select generate_series(1,n)".  We could tell people they have to
> >> rewrite to "select * from generate_series(1,n)", but it would be far
> >> more polite to do that for them.
>
> > How about making "TABLE generate_series(1,n)" work?  It's even
> > shorter in exchange for some cognitive load.
>
> No thanks --- the word after TABLE ought to be a table name, not some
> arbitrary expression.  That's way too much mess to save one keystroke.

It's not just about saving a keystroke.  This change would go with
removing the ability to do SRFs in the target list of a SELECT
query.