On Tue, Oct 11, 2011 at 4:40 AM, Pavel Stehule <pavel.steh...@gmail.com> wrote: > Hello > > A current limits of dynamic work with row types in PL/pgSQL can be > decreased with a possible casts between rows and arrays. Now we have a > lot of tools for arrays, and these tools should be used for rows too. > > postgres=# \d mypoint > Composite type "public.mypoint" > Column │ Type │ Modifiers > ────────┼─────────┼─────────── > a │ integer │ > b │ integer │ > > postgres=# select cast(rmypoint '(10,20) as int[]); > array > ──────────── > {10,20} > (1 row) > > postgres=# select cast(ARRAY[10,20] AS mypoint); > mypoint > ───────── > (10,20) > (1 row) > > What do you think about this idea?
Well, a ROW can contain values of different types; an ARRAY can't. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers