Zhang Mingli writes:
> In ExecChooseHashTableSize(), commit b154ee63bb uses func pg_nextpower2_size_t
> whose param must not be 0.
Right. Fix pushed, thanks.
regards, tom lane
+ Tom Lane
On Fri, Aug 12, 2022 at 11:05:06PM +0800, Zhang Mingli wrote:
> I got a coredump when using hash join on a Postgres derived
> Database(Greenplum DB).
> And I find a way to reproduce it on Postgres.
>
> Root cause:
>
> In ExecChooseHashTableSize(), commit b154ee63bb uses func pg_nextp
Hi,
I got a coredump when using hash join on a Postgres derived Database(Greenplum
DB).
And I find a way to reproduce it on Postgres.
Root cause:
In ExecChooseHashTableSize(), commit b154ee63bb uses func pg_nextpower2_size_t
whose param must not be 0.
```
sbuckets = pg_nextpower2_size_t(hash_