Hackers, This surprised me:
david=# select array_length('{}'::text[], 1); array_length -------------- [null] I had expecte dit to retur 0. I might expect NULL for a NULL param, but not one that's defined but has no elements. Best, David -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers