On 2019-Feb-09, Tom Lane wrote:
> 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.)
This patch I think does the right thing.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
