| From: | Euler Taveira de Oliveira <euler(at)timbira(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Ashish <abindra(at)u(dot)washington(dot)edu>, Josh Berkus <josh(at)agliodbs(dot)com>, Joshua Tolley <eggyknap(at)gmail(dot)com>, Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Need a mentor, and a project. |
| Date: | 2009-12-12 04:01:04 |
| Message-ID: | 4B231580.7010200@timbira.com |
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| Lists: | pgsql-hackers |
Tom Lane escreveu:
> I'm not sure there is any really nice solution within the confines of
> plain ASCII text output. There was an interesting approach online
> at http://explain-analyze.info, but that site seems to be down now :-(
>
Estimation error is one of the ideas. The other ones I have in mind is: (i)
accumulative time or percentage per node and (ii) color node that has
estimation off (if the terminal support colors). Of course, those features
should be enabled using some explain options like ACCUMULATIVE and COLOR.
Another explain tool that has a similar approach is http://explain.depesz.com/ .
--
Euler Taveira de Oliveira
http://www.timbira.com/
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