| From: | Gregory Stark <stark(at)enterprisedb(dot)com> |
|---|---|
| To: | "Bruce Momjian" <bruce(at)momjian(dot)us> |
| Cc: | "pgsql-hackers list" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: New style of hash join proposal |
| Date: | 2008-04-07 09:30:48 |
| Message-ID: | 878wzqovuf.fsf@oxford.xeocode.com |
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| Lists: | pgsql-hackers |
"Bruce Momjian" <bruce(at)momjian(dot)us> writes:
> If the scanning of the inner side is a performance problem, why would we
> be choosing a nested loop in the first place, vs. another type of join?
I clearly haven't done a good job explaining this as nobody seems to getting
what I'm describing. I think I'm better off focusing on the patches I've
already started rather than starting yet another project though so perhaps I
should put this aside until I can construct a good demonstration.
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Ask me about EnterpriseDB's PostGIS support!
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