Re: [Fwd: Re: [PERFORM] Outer joins and Seq scans]

2007-11-02 Thread Alvaro Herrera
Sami Dalouche wrote: > -- For some reason, my message doesn't seem to go through the mailing > list, so I am trying without any attachment FWIW, you can post EXPLAIN ANALYZE results on the web here: http://www.explain-analyze.info/ It's a pretty cool utility by Michael Glaesemann that should make

Re: [Fwd: Re: [PERFORM] Outer joins and Seq scans]

2007-11-01 Thread Sami Dalouche
Thanks for your answer. So, basically, what you are saying is that there is nothing particularly wrong with the query, nor with its optimization ? So if I need performance for this query, I should just revert to other techniques (giving more memory to postgres, caching outside postgres, etc..) ?

Re: [Fwd: Re: [PERFORM] Outer joins and Seq scans]

2007-11-01 Thread Tom Lane
Sami Dalouche <[EMAIL PROTECTED]> writes: > Compare that to the following query, that is exactly the same except > that the City table is inner'joined instead of outer joined > ... > the explain analyze is available at : > http://www.photosdesami.com/temp/exp6.txt AFAICS it's just absolutely blind

Re: [Fwd: Re: [PERFORM] Outer joins and Seq scans]

2007-10-31 Thread Tom Lane
Sami Dalouche <[EMAIL PROTECTED]> writes: > -- For some reason, my message doesn't seem to go through the mailing > list, so I am trying without any attachment Please don't do that, at least not that way. These explain outputs have been line-wrapped to the point of utter unreadability. The main