Re: Partitioning documentation example
От
Decibel!
Тема
Re: Partitioning documentation example
Дата
Msg-id
20080206050542.GQ1212@decibel.org
Ответ на
Re: Partitioning documentation example (Tom Lane)
Список
Дерево обсуждения
Re: Partitioning documentation example Bruce Momjian <bruce@momjian.us>
Re: Partitioning documentation example Tom Lane <tgl@sss.pgh.pa.us>
Re: Partitioning documentation example Bruce Momjian <bruce@momjian.us>
On Fri, Jan 04, 2008 at 12:25:59PM -0500, Tom Lane wrote: > Bruce Momjian writes: > > EXECUTE 'INSERT INTO measurement_y' || to_char(NEW.logdate,'YYYY_mMM') || ' VALUES (NEW.*)'; > > That won't actually work. Even if it did, I don't think we should be > recommending use of EXECUTE here; the performance implications are bad. I think it's still worthy as an example. Not all partitioning systems need a high insert rate. And even if it does, that tends to be CPU-work; if you're partitioning you're likely IO-bound and not CPU-bound. Has anyone measured the performance difference? -- Decibel!, aka Jim C. Nasby, Database Architect decibel@decibel.org Give your computer some brain candy! www.distributed.net Team #1828
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