Re: unsupportable composite type partition keys

On Tue, Dec 24, 2019 at 12:00 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> BTW, I forgot to mention: while I think the patch to forbid pseudotypes
> by using CheckAttributeType() can be back-patched, I'm leaning towards
> not back-patching the other patch.  The situation where we get into
> infinite recursion seems not very likely in practice, and it's not
> going to cause any crash or data loss, so I think we can just say
> "sorry that's not supported before v13".  The patch as I'm proposing
> it seems rather invasive for a back-branch fix.

It is indeed.

Just to be sure, by going with "unsupported before v13", which one do you mean:

* documenting it as so
* giving an error in such cases, like the patch in the first email on
this thread did
* doing nothing really

Thanks,
Amit