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Old 04-24-2008, 06:15 PM
Simon Riggs
 
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Default Re: Snapshot management, final

On Tue, 2008-04-22 at 18:13 -0400, Alvaro Herrera wrote:
> Simon Riggs wrote:
>
> > OK, so it can;t be copied to a longer lived memory context?

>
> CopySnapshot always copies snapshots to SnapshotContext, which is a
> context that lives until transaction end. There's no mechanism for
> copying a snapshot into another context, because I don't see the need.
>
> If you need that ability, please explain.


No, I wish to prevent that, not enable it.

Perhaps put the TransactionId on each snapshot and then an Assert can
check it before its used.

--
Simon Riggs
2ndQuadrant http://www.2ndQuadrant.com


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