2011/12/2 Merlin Moncure <mmonc...@gmail.com>: > 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.
ook Pavel > > merlin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
