| From: | Marko Tiikkaja <marko(dot)tiikkaja(at)cs(dot)helsinki(dot)fi> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Alex Hunsaker <badalex(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Writeable CTE patch |
| Date: | 2009-12-07 14:46:11 |
| Message-ID: | 4B1D1533.7080804@cs.helsinki.fi |
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| Thread: | |
| Lists: | pgsql-hackers |
Tom Lane wrote:
> The only thing that I'd be comfortable with is
> copying the snap and modifying the copy.
I don't see an easy way to do that with the current code; CopySnapshot()
is static and PushUpdatedSnapshot() seems to be a bit of a pain since it
messes up some of the existing code which uses the active snapshot
stack. Any ideas?
Regards,
Marko Tiikkaja
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