Richard Guo <guofenglinux(at)gmail(dot)com> writes:
> On Thu, Dec 14, 2023 at 5:29 PM PG Bug reporting form <
> noreply(at)postgresql(dot)org> wrote:
>> EXPLAIN SELECT * FROM t;
>> QUERY PLAN
>> ------------------------------------------------------------
>> Seq Scan on t (cost=0.00..10.00 rows=1 width=-2113929008)
>> (1 row)
> Can we just error out when an overflow occurs?
Probably better to clamp tuple width estimates to MaxAllocSize.
Anything larger would not correspond to reality anyhow.
regards, tom lane