Re: Where is it documented what role executes constraint triggers?

On Fri, Nov 03, 2017 at 02:09:00PM -0400, Chapman Flack wrote:
> From a little experimenting in 9.5, it seems that a referential
> integrity trigger is executed with the identity of the referencED
> table's owner, but I have not been able to find this covered in
> the docs. Is this a documentation oversight, or is it explained
> somewhere I didn't look (or may have skimmed right over it)?
>
> The question came up at $work after the departure of $colleague,
> who had created some tables as himself and not changed their
> ownership. His role had the superuser bit at the time, so
> RI checks involving those tables never incurred 'permission denied'
> errors until he left. Then, his role was not dropped, only disabled
> for login and made no longer superuser, and that's when RI checks
> started incurring 'permission denied'.

Are the trigger functions SECURITY DEFINER?