Dennis Bjorklund <db@zigo.dhs.org> writes:
> In the documentation I got the impression that NULL values inside an array
> was not allowed. Now I know that you are allowed to form such an
> expression and that it evaluates to the NULL array. The documentation
> should be fixed then (or maybe it is documented buy i've not seen it).
I don't see anywhere that this behavior is mentioned, either. Probably
should put something into section 4.2.10 (along with a note that the
behavior is expected to change soon).
regards, tom lane