On Sun, Feb 21, 2010 at 3:25 AM, Robert Haas wrote:
> What kinds of things would be
> sensible to hand off in this way? Well, you'd want to find nodes that
> are not likely to be repeatedly re-executed with different parameters,
> like subplans or inner-indexscans, because otherwise you'll get
>
Robert Haas writes:
> Probably. For one thing, you can't use fork(), because it won't work
> on Windows.
[...]
> query. IOW, we're going to need, well, a connection pool in core.
> *ducks, runs for cover*
Well, in fact, you're slowly getting to the interesting^W crazy part of
it.
Now that you
Robert Haas wrote:
It seems to me that you need to start by thinking about what kinds of
queries could be usefully parallelized. What I think you're proposing
here, modulo large amounts of hand-waving, is that we should basically
find a branch of the query tree, cut it off, and make that branc