Thalis Kalfigkopoulos <tkalfigo@xxxxxxxxx> 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@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
