Re: [HACKERS] Hint Bits and Write I/O
Simon Riggs <[email protected]>
| Newsgroups | gmane.comp.db.postgresql.devel.patches,gmane.comp.db.postgresql.devel.general |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 2008-06-27 at 15:25 +0100, Gregory Stark wrote: > "Alvaro Herrera" <[email protected]> writes: > > > If only VACUUM is going to set "flexible" to off, maybe it's better to > > leave the APIs as they are and have a global that's set by VACUUM only > > (and reset in a PG_CATCH block). > > Ugh. Perhaps it would be simpler to have a wrapper function HTSV() macro which > passes flexible=true to HTSV_internal(). Then vacuum can call HTSV_internal(). > > I'm not sure what the performance tradeoff is between having an extra argument > to HTSV and having HTSV check a global which messes with optimizations. Doing this doesn't actually reduce the size of the patch much, as it turns out, so I suggest we don't do this. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-patches mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-patches