On Thu, Apr 5, 2012 at 8:35 PM, iihero <iih...@qq.com> wrote: > From this point of view, seems N dimensions of empty array all are > equivalent.
Yes. It's effectively viewed as a 0-dimensional array. > Is there standard definition of this behavior? No. Multi-dimensional arrays are a PostgreSQL extension. -- 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
