On Thu, Oct 12, 2017 at 9:08 AM, amul sul <sula...@gmail.com> wrote:
> How about combining high 32 bits and the low 32 bits separately as shown
> below?
>
> static inline uint64
> hash_combine64(uint64 a, uint64 b)
> {
> return (((uint64) hash_combine((uint32) a >> 32, (uint32) b >> 32) << 32)
> | hash_combine((unit32) a, (unit32) b));
> }
I doubt that's the best approach, but I don't have something specific
to recommend.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers
