Re: [HACKERS] postgresql transactons not fully isolated

On Tue, Jun 20, 2017 at 2:34 PM, David G. Johnston
<david.g.johnston@gmail.com> wrote:
> On Tue, Jun 20, 2017 at 12:22 PM, Chapman Flack <chap@anastigmatix.net> wrote:
>> I get the reported result (DELETE 0 and a table containing 2 and 3)
>> in both 'read committed' and 'read uncommitted'.
>
> Practically speaking those are a single transaction isolation mode.
>
> https://www.postgresql.org/docs/10/static/transaction-iso.html
>
> I think Merlin has mis-read the article he linked to.  The example
> being used there never claims to be done under serialization and seems
> to describe an example of the perils of relying on the default
> isolation level.

oops -- could be operator error :-)

merlin