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Questions about planner methods 2+ messages / 2 participants [nested] [flat]
* Questions about planner methods @ 2006-12-24 19:15 Kevin Kempter <kevin@kevinkempterllc.com> 2006-12-24 20:49 ` Re: [HACKERS] Questions about planner methods Martijn van Oosterhout <kleptog@svana.org> 0 siblings, 1 reply; 2+ messages in thread From: Kevin Kempter @ 2006-12-24 19:15 UTC (permalink / raw) To: pgsql-hackers@postgresql.org; +Cc: pgsql-performance Hi List(s); I'm wanting to find more details per the following methods, can someone explain to me exactly what each of these methods is, how its implemented in postgres or point me to some docs or README's that explain these methods? Some of 'em are obviously no-brainers but I'm writing a postgres book and want to make sure I convey the concepts properly and technically correct. - Bitmap Scans - Hash Aggregation - Hash Joins - Index Scans - Merge Joins - Nested Loop Joins - TID Scans Thanks in advance for your help... ^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: [HACKERS] Questions about planner methods 2006-12-24 19:15 Questions about planner methods Kevin Kempter <kevin@kevinkempterllc.com> @ 2006-12-24 20:49 ` Martijn van Oosterhout <kleptog@svana.org> 0 siblings, 0 replies; 2+ messages in thread From: Martijn van Oosterhout @ 2006-12-24 20:49 UTC (permalink / raw) To: Kevin Kempter <kevin@kevinkempterllc.com>; +Cc: pgsql-hackers@postgresql.org; pgsql-performance On Sun, Dec 24, 2006 at 12:15:18PM -0700, Kevin Kempter wrote: > Hi List(s); > > I'm wanting to find more details per the following methods, can someone > explain to me exactly what each of these methods is, how its implemented in > postgres or point me to some docs or README's that explain these methods? There's plenty of the comments in the files that implement them (the executor directory. Have you checked them? Have a nice day, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to litigate. Attachments: signature.asc (application/pgp-signature, 188B) download ^ permalink raw reply [nested|flat] 2+ messages in thread
end of thread, other threads:[~2006-12-24 20:49 UTC | newest] Thread overview: 2+ messages (download: mbox mbox.gz follow: Atom feed) -- links below jump to the message on this page -- 2006-12-24 19:15 Questions about planner methods Kevin Kempter <kevin@kevinkempterllc.com> 2006-12-24 20:49 ` Martijn van Oosterhout <kleptog@svana.org>
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