Re: "type with xxxx does not exist" when doing ExecMemoize() - Mailing list pgsql-hackers

On 26/2/2024 12:44, Tender Wang wrote:
> 
> 
> Andrei Lepikhov <a.lepikhov@postgrespro.ru 
> <mailto:a.lepikhov@postgrespro.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