On Fri, Dec 2, 2011 at 2:01 PM, Pavel Stehule <pavel.steh...@gmail.com> wrote: >>> so bytea_agg - one param aggregate has sense >>> >>> it's very easy to implement it >> >> yup: >> >> create aggregate bytea_agg (bytea) >> ( >> sfunc=byteacat, >> stype=bytea >> ); > > this is workaround :) > > without a memory preallocating it has same speed like cycle in plpgsql.
sure, but I prefer to code against the workaround because it's cleaner and it makes things easier to port over when such a feature makes it into core. also, one liner sql has better chance of inlining as a general rule. merlin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
