Thalis Kalfigkopoulos <tkalf...@gmail.com> writes:
> I see in the docs the following:
> SELECT current_date + s.a AS dates FROM generate_series(0,14,7) AS s(a);
> Trying it as:
> SELECT current_date + a AS dates FROM generate_series(0,14,7) AS a;
> yields exactly the same result.
> Does the finer granularity/expressiveness offer some extra
> functionality in some cases or is it a matter of style?
IIRC, it's important for functions returning composite types. For a
function returning scalar, "AS a" is equivalent to "AS a(a)".
regards, tom lane
--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general
