Re: Fixing findDependentObjects()'s dependency on scan order (regressions in DROP diagnostic messages) - Mailing list pgsql-hackers

Amit Langote <amitlangote09@gmail.com> writes:
> On Sat, Feb 9, 2019 at 9:41 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> +1.  The best solution would presumably be to go through the normal
>> object deletion mechanism; though possibly there's a reason that
>> won't work given you're already inside some other DDL.

> Maybe:
> - CatalogTupleDelete(trigrel, &trigtup->t_self);
> + RemoveTriggerById(trgform->oid)?

No, that's still the back end of the deletion machinery, and in particular
it would fail to clean pg_depend entries for the trigger.  Going in by the
front door would use performDeletion().  (See deleteOneObject() to get
an idea of what's being possibly missed out here.)

            regards, tom lane