Re: Res: Cost performace question
От
Matthew Wakeling
Тема
Re: Res: Cost performace question
Дата
Msg-id
alpine.DEB.2.00.0907131317510.16183@aragorn.flymine.org
Ответ на
Res: Cost performace question (paulo matadr)
Список
Дерево обсуждения
Cost performace question paulo matadr <saddoness@yahoo.com.br>
Re: Cost performace question "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Res: Cost performace question paulo matadr <saddoness@yahoo.com.br>
Re: Res: Cost performace question Matthew Wakeling <matthew@flymine.org>
On Fri, 10 Jul 2009, paulo matadr wrote: > thanks i understand now, i have other dought > Index Scan using xix3_movimento_roteiro_empresa on movimento_roteiro_empresa movimentor0_ (cost=0.00..73386.80 > rows=5126 width=451) > what's this mean on red color above? Please don't assume that everyone receiving your mails uses a HTML mail reader. In fact, recommended netiquette is to not send HTML mails at all. Many people set their email programs to automatically reject (as spam) any emails containing HTML. Manually reading the HTML, it seems that you are referring to the "width=451" part of the EXPLAIN result. Please read the manual at http://www.postgresql.org/docs/8.4/interactive/using-explain.html The width is the: * Estimated average width (in bytes) of rows output by this plan node Matthew -- There once was a limerick .sig that really was not very big It was going quite fine Till it reached the fourth line
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