Re: [PATCHES] updated hash functions for postgresql v1
От | Hannu Krosing |
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Тема | Re: [PATCHES] updated hash functions for postgresql v1 |
Дата | |
Msg-id | 1256806464.13214.92.camel@hvost1700 обсуждение исходный текст |
Ответ на | Re: [PATCHES] updated hash functions for postgresql v1 (Peter Eisentraut <peter_e@gmx.net>) |
Ответы |
Re: [PATCHES] updated hash functions for postgresql v1
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Список | pgsql-hackers |
On Thu, 2009-10-29 at 09:47 +0200, Peter Eisentraut wrote: > On Wed, 2009-10-28 at 12:51 -0700, Jeff Davis wrote: > > Trying to develop and document a set of standardized, stable hash > > functions covering a wide range of possible use cases sounds like it may > > be better served by an extension. > > I suspect that some of the participants in this thread have PL/Proxy in > mind. Yes, I think that pl/proxy is the prime example of such use. > PL/Proxy should probably ship its own set of hash functions. Or maybe we could just extract the hashes form some version of stock postgresql (say 8.3) and then make those available in contrib under the name "stable_hashes" ? > If we ever get built-in partitioning by hash (see thread nearby and most > previous ones like it), we should also think about providing a hash > function that doesn't change output over versions and is independent of > hash index implementation concerns. And maybe even documented ;) -- Hannu Krosing http://www.2ndQuadrant.com PostgreSQL Scalability and Availability Services, Consulting and Training
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