Re: It's past time to redo the smgr API

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От Marc G. Fournier
Тема Re: It's past time to redo the smgr API
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Msg-id 20040205195054.R4449@ganymede.hub.org
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Ответ на Re: It's past time to redo the smgr API  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Thu, 5 Feb 2004, Tom Lane wrote:

> "Marc G. Fournier" <scrappy@postgresql.org> writes:
> > k, but that would be a different scenario, no?  As I mentioned in my
> > original, a DROP TABLE would reset its timeout to -1, meaning to close it
> > and drop it on the next checkpoint interval ...
>
> How would it do that?  These structs are local to particular backends,
> so there's no way for a DROP TABLE occurring in one backend to reach
> over and reset the timeout in the bgwriter process.  If we add
> communication that lets the bgwriter know the table is being dropped,
> then the problem is solved directly.

D'oh, okay, took me a second to clue into what it was I wasn't cluing into
... got it now, thanks ...


----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy@hub.org           Yahoo!: yscrappy              ICQ: 7615664


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