Re: Odd behavior with 'currval'

On Thu, Feb 8, 2018 at 8:12 PM, Steven Hirsch <snhirsch@gmail.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.