| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Markus Wanner <markus(at)bluegap(dot)ch>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: determine snapshot after obtaining locks for first statement |
| Date: | 2009-12-18 00:19:34 |
| Message-ID: | 1261095574.4278.3.camel@jd-desktop.unknown.charter.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Thu, 2009-12-17 at 13:13 -0500, Tom Lane wrote:
> "Joshua D. Drake" <jd(at)commandprompt(dot)com> writes:
> > What is needed here is a layman's context of what isolation modes are
> > good for what type of operation. Neither your explanation or Tom's is
> > particularly useful except to say, "Crap, I might be screwed but I don't
> > know if I am... how do I find out?"
>
> If we had a simple way to characterize that, we'd not be having this
> discussion :-(
Certainly true. Sorry if I came off harsh my intent was to illustrate
the more verbose yet less detailed information isn't going to help.
Joshua D. Drake
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