On 2021-Jul-13, Tomas Vondra wrote:
> On 7/13/21 5:44 PM, Jeff Davis wrote:
> > * Andres also mentioned that the function should not leak memory.
> > * One use case for this feature is when sharding a table, so the
> > expression should allow things like "hashint8(x) between ...". I'd
> > really like to see this problem solved, as well.
>
> I think built-in functions should be fine, because generally don't get
> dropped etc. (And if you drop built-in function, well - sorry.)
>
> Not sure about the memory leaks - I suppose we'd free memory for each row,
> so this shouldn't be an issue I guess ...
I'm not sure we need to be terribly strict about expression evaluation
not leaking any memory here. I'd rather have a memory context that can
be reset per row.
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Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/