| From: | hubert depesz lubaczewski <depesz(at)depesz(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Cédric Villemain <cedric(dot)villemain(dot)debian(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Problem with planner |
| Date: | 2011-08-09 17:23:32 |
| Message-ID: | 20110809172332.GA22789@depesz.com |
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| Lists: | pgsql-general |
On Tue, Aug 09, 2011 at 12:11:48PM -0400, Tom Lane wrote:
> Now part of the reason why the estimate is so bad is the sub-select,
> which completely defeats selectivity estimation for the ending_tsz
> condition. Could we see EXPLAIN ANALYZE for the query without a
> sub-select, both with and without enable_bitmapscan?
working on it.
Best regards,
depesz
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