Kev <kevinjamesfield@xxxxxxxxx> writes: > ... should I be careful how to code because this > might change in the future? Probably. We couldn't even handle nulls within arrays until a release or two ago. I wouldn't be surprised if someone comes up with a proposal to make null-array handling a bit more consistent in the future. 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