> > -----Original Message-----
> > From: owner-pgsql-hackers@postgreSQL.org
> > [mailto:owner-pgsql-hackers@postgreSQL.org]On Behalf Of Tom Lane
> >
> > TODO item comments:
> >
> > * Pull requested data directly from indexes, bypassing heap data
> >
> > I doubt this is ever going to happen --- to make it possible, we'd
> > have to store tuple-commit status in index entries as well as in the
> > tuples themselves. That would be a substantial space and speed penalty;
> > is the potential gain really worth it?
> >
>
> I agree with Tom. We could omit rows using indexes but cound't
> pull data from indexes without time qualification of heap tuples now.
Removed.
>
> > * -elog() flushes cache, try invalidating just entries from current xact,
> > perhaps using invalidation cache
> >
> > I don't think this is done?
> >
>
> If I recognize correctly this item,this was fixed by my recent changes
> for cache invalidation though I had changed it without knowing this item.
Great. I thought so. I remember some CVS messages saying this.
-- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
Pennsylvania19026
