On Thu, Jun 10, 2021 at 8:40 PM Luca Ferrari <fluca1978@gmail.com> wrote:
> On Thu, Jun 10, 2021 at 10:15 AM Vijaykumar Jain
> > when you provide a table in query in the order by clause, it is
> > ordered by cols of that table in that order.
>
> Clever, thanks!
> I also realized that this "table to tuples" expansion works for GROUP BY too.
> However, I'm not able to find this documented in GROUP BY, WHERE,
> ORDER BY clauses sections into select documentation
> <fgrouphttps://www.postgresql.org/docs/12/sql-select.html>. Could be
> my fault, of course.
There's something about this here:
https://www.postgresql.org/docs/13/rowtypes.html#ROWTYPES-USAGE