Re:

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От Vincenzo Romano
Тема Re:
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Msg-id CAHjZ2x73mCMdqi4noPErHiFj2H4-vdoCU-fRYCfwWFHnhG4fnA@mail.gmail.com
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Ответ на Re:  (Luca Ferrari <fluca1978@infinito.it>)
Список pgsql-general
2013/7/15 Luca Ferrari <fluca1978@infinito.it>:
> On Mon, Jul 15, 2013 at 8:33 AM, Vincenzo Romano
> <vincenzo.romano@notorand.it> wrote:
>
>> The alternative is to do things the "good ol' way" by DELETING+INSERTING
>> (http://tapoueh.org/blog/2013/07/05-archiving-data-fast.html)
>> Where I'd fear for longer LOCKs.
>
>
> I don't know if this is an option for your case study, but you could
> also exploit schemas to achieve the result: placing the new table into
> a new schema and changing the search path (disallowing access to the
> old schema). Of course this means you are able to lock out your
> clients during the migration or you need to use some rule to redirect
> queries.
>
> Luca

I think the "schma trick" would just make things more complex.
The "late binding" and "binding cache" would popup anyway.


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