| From: | Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com> |
|---|---|
| To: | Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PGSQL Performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: 8.4 optimization regression? |
| Date: | 2011-08-30 09:43:48 |
| Message-ID: | CAJY59_jWx4B8LidOoVHj14GiEkO8HJPNp3bCRvqTCJ-z5Z6ubA@mail.gmail.com |
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| Lists: | pgsql-performance |
2011/8/29 Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz>:
> I note from the commit message that the fix test case was from Grzegorz
> Jaskiewicz (antijoin against a small subset of a relation). I was not able
> to find this in the archives - Grzegorz do you recall the actual test case?
> I thought it might be useful for me to spend some time studying both cases
> and seeing if I can come up with any tweaks that would let both your and my
> queries work well!
Sorry, I don't remember that particular example. If I complained about
it, it would have been on this list or the general list.
I'll have a look by date.
--
GJ
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