Alexander Korotkov wrote: > On Mon, Feb 13, 2017 at 7:07 PM, Alvaro Herrera <[email protected]> > wrote:
> > Re the coding of the padding computation, seems it'd be better to use > > our standard "offsetof(last-struct-member) + sizeof(last-struct-member)" > > rather than adding each of the members' sizes individually. > > It was done so in order to evade extra level of nesting for PGXACT. See > discussion with Tom Lane in [1] and upthread. Yes, I understand. I just mean that it could be done something like this: #define PGXACTPadSize (PG_CACHE_LINE_SIZE - (offsetof(PGXACT, nxid) + sizeof(uint8))) -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
