Re: Auto Partitioning
От | Andrew Dunstan |
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Тема | Re: Auto Partitioning |
Дата | |
Msg-id | 4613FBF4.4060109@dunslane.net обсуждение исходный текст |
Ответ на | Re: Auto Partitioning (David Fetter <david@fetter.org>) |
Ответы |
Re: Auto Partitioning
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Список | pgsql-hackers |
David Fetter wrote: > On Wed, Apr 04, 2007 at 10:07:39AM -0400, Andrew Dunstan wrote: > >> Simon Riggs wrote: >> >>> My hope is to have a mechanism to partition indexes or recognise >>> that they are partitioned, so that a set of provably-distinct >>> unique indexes can provide the exact same functionlity as a single >>> large unique index, just without the management nightmare. >>> >> Will this address the fairly common data design problem where we >> need to ensure that a given value is unique across several tables >> (possibly siblings, possibly not)? >> > > That would be where the provably-distinct part comes in, so yes. > > That assumes you can provide some provably distinct test. In the general case I have in mind that isn't so. cheers andrew
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