Ken Tanzer <ken.tanzer@xxxxxxxxx> writes: > Thanks Steve. FWIW I looked at the 9.0 and 9.1 release notes, and didn't > find much on arrays in them. This particular issue was fixed in 8.4. > I do have one follow-up curiosity question, though. Why does > array_dims(array[]::varchar[]) return NULL instead of 0? I would expect > NULL for a NULL array, but not an empty one. (And the same for > array_[upper,lower,length] functions as well. Yeah, there are still a lot of inconsistencies there :-(. Eventually I'd like to see somebody go through all the array operations and make a proposal for consistent handling of empty arrays. I think it would be better if we changed all those things at once, rather than causing piecemeal compatibility hits. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
