Thread

Re: Fix DROP PROPERTY GRAPH "unsupported object class" error

Bertrand Drouvot <bertranddrouvot.pg@gmail.com> — 2026-05-05T06:00:23Z

Hi,

On Thu, Apr 30, 2026 at 06:01:22PM +0530, Ashutosh Bapat wrote:
> On Thu, Apr 30, 2026 at 4:56 PM Bertrand Drouvot
> <bertranddrouvot.pg@gmail.com> wrote:
> >
> > I can see the the instability locally with en_US.UTF-8 (gt before _gt) and I
> > can see that, for example sifaka, has en_US.UTF-8 in locales. So, modifying the
> > impacted query a bit to add COLLATE "C" in the attached.
> >
> 
> I did wonder where the instability is coming from the new query - it's
> because now we are traversing the entire dependency tree which also
> contains array type of reltype.

Right.

> I think we should just eliminate it
> from the result just like we are eliminating the rule. There is slight
> convenience in keeping the query as is - it need not change even
> though the columns returned by the function change and it's more
> readable. I also think that we don't need a type defined for a
> property graph - it doesn't contain any row as well as the shape of
> the result of GRAPH_TABLE depends upon the COLUMNS clause - so that's
> not fixed as well. I will start a separate thread for that discussion.

Yeah, now that 891a57c7394 is in, PFA a new version of the patch. This is just
a mandatory rebase and the COLLATE "C" removals.

Regards,

-- 
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com