On Thu, Feb 8, 2018 at 8:12 PM, Steven Hirsch <snhirsch(at)gmail(dot)com> wrote:
.....
> 2. Why is the currval() function being so blasted dumb? If
> 'pg_get_serial_sequence' cannot resolve the sequence, it returns NULL. As
> such, shouldn't the outer currval() also be returning NULL? I cannot
> imagine a rationale for the current behavior.
Are you sure it does ? http://sqlfiddle.com/#!17/9eecb/9696 shows it
returning null. ( as expected, if it is defined strict as it should
and someone has already pointed it ).
Are you sure you are not using pgAdmin or a similar thing which
displays null as 0 in a numeric field?
Francisco Olarte.