On Wed, Jun 12, 2013 at 1:20 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Josh Berkus <j...@agliodbs.com> writes: >> On 06/12/2013 11:01 AM, Tom Lane wrote: >>> I'm going to be disappointed if all we can get out of this is >>> a cardinality() function, and nothing is done about the empty-array >>> semantics. > >> Well, we can't change the zero-dim behavior without breaking backwards >> compatibility. And enough people piled on to say NO to that, that it >> went by the wayside. > > Meh. Robert was pretty vocal about it, but it wasn't clear to me that > his was the majority opinion, and in any case there wasn't much > consideration given to compromises falling somewhere between "no > changes" and the rather drastic solution Brendan proposed. For > instance, it's really hard to believe that this is a good thing: > > regression=# select array_dims('{}'::int[]) is null; > ?column? > ---------- > t > (1 row) > > Whatever you think the dimensions of that are, surely they're not > unknown.
But, couldn't that be solved by deprecating that function and providing a more sensible alternatively named version? merlin -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers