On 10 August 2010 19:48, David E. Wheeler <da...@kineticode.com> wrote: > On Aug 10, 2010, at 11:46 AM, Thom Brown wrote: > >> I, personally, would expect an empty array output given an empty >> input, and a null output for a null input. > > +1
Agreed. After all, the result isn't indeterminate - it's an empty array. Some people might think that it's useful for the result to be NULL, but they'd probably also think that it's useful for an empty string to be NULL. -- Regards, Peter Geoghegan -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers