| From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | "Jim C(dot) Nasby" <decibel(at)decibel(dot)org> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Constraint Exclusion on all tables |
| Date: | 2005-07-19 23:16:03 |
| Message-ID: | 1121814963.3998.42.camel@localhost.localdomain |
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| Lists: | pgsql-hackers |
On Tue, 2005-07-19 at 17:50 -0500, Jim C. Nasby wrote:
> On Tue, Jul 19, 2005 at 10:23:49PM +0100, Simon Riggs wrote:
> > Inheritance queries would continue to act as they do now, where an
> > excluded table is *not* shown; this is to allow for sensible size
> > EXPLAINs when we have 100s of child tables.
>
> Since it's also possible to do partitioning with UNION ALL, maybe it
> would be better if there was an option to explain that told it either to
> show or not show info about eliminated partitions. That would seem to
> serve the general case better than coding it according to table type.
Can you think up the syntax, so we can comment on that proposal?
Best Regards, Simon Riggs
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