Re: Declarative partitioning grammar

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От Markus Schiltknecht
Тема Re: Declarative partitioning grammar
Дата
Msg-id 478CB73F.208@bluegap.ch
обсуждение исходный текст
Ответ на Re: Declarative partitioning grammar  (Hannu Krosing <hannu@tm.ee>)
Ответы Re: Declarative partitioning grammar  (Hans-Juergen Schoenig <postgres@cybertec.at>)
Список pgsql-hackers
Hi,

Hannu Krosing wrote:
> I guess it would go to some "default" partition ?

Which doesn't have a name so far, which prevents from addressing that 
partition. Nor is it pretty well defined, it's just a rest.

> sure, but this can become really tedious for 1024 partitions,

Well, managing 1024 partitions manually is a tedious job, no matter what 
grammar you take: You'll have to deal with 1024 different partition names.

What do you need so many partitions for?

> not to
> mention hard for optimiser.

It's pretty much the same for the optimizer: a binary tree.  Granted, 
that binary tree should better be balanced by the RDBMS.

Regards

Markus


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