Re: "type with xxxx does not exist" when doing ExecMemoize()

On 26/2/2024 12:44, Tender Wang wrote:
>
>
> Andrei Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru
> <mailto:a(dot)lepikhov(at)postgrespro(dot)ru>> 于2024年2月26日周一 10:57写道：
>
> On 25/2/2024 20:32, Tender Wang wrote:
> > I think in prepare_probe_slot(), should called datumCopy as the
> attached
> > patch does.
> >
> > Any thoughts? Thanks.
> Thanks for the report.
> I think it is better to invent a Runtime Memory Context; likewise,
> it is
> already designed in IndexScan and derivatives. Here, you just allocate
> the value in some upper memory context.
> Also, I'm curious why such a trivial error hasn't been found for a
> long time
>
>
> Make sense. I found MemoizeState already has a MemoryContext, so I used it.
> I update the patch.
This approach is better for me. In the next version of this patch, I
included a test case. I am still unsure about the context chosen and the
stability of the test case. Richard, you recently fixed some Memoize
issues, could you look at this problem and patch?

--
regards,
Andrei Lepikhov
Postgres Professional