Re: [PG19] eager aggregation gives wrong results because of bpchar_ops - Mailing list pgsql-hackers

Peter Geoghegan <pg@bowt.ie> writes:
> On Tue, Oct 6, 2026 at 7:35 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> However, even once that updates, we're going to have some problems.
>> Trying it locally, I see my animal complaining about updates from
>> REL_13_STABLE failing, which is unsurprising ... but how do we get
>> v13-or-before data into a shape that the patched code will accept?

> By backpatching to REL_13_STABLE? I see no other reasonable way, given
> the constraints.

That was my first reaction too, but then what are we testing?
Nothing corresponding to real-world upgrades.

Maybe we need to hot-wire the BF script to not run amcheck in these
upgrades from ancient versions.

            regards, tom lane