| From: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
|---|---|
| To: | David Clymer <david(dot)clymer(at)vistashare(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Cache lookup failed for relation |
| Date: | 2013-02-11 18:50:14 |
| Message-ID: | 1360608614.96665.YahooMailNeo@web162904.mail.bf1.yahoo.com |
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| Thread: | |
| Lists: | pgsql-general |
David Clymer <david(dot)clymer(at)vistashare(dot)com> wrote:
> The SERIALIZABLE isolation mode is being used in 9.0, and
> REPEATABLE READ in 9.2, which should be the same thing, correct
> (eg. 9.0 serializable ~ 9.2 repeatable read)?
Correct.
In 9.0 SERIALIZABLE and REPEATABLE READ are exactly same. In 9.1
and later REPEATABLE READ has not changed from 9.0, but
SERIALIZABLE has basically become REPEATABLE READ with extra
checking for serialization failures.
-Kevin
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