Thats the fun part, I actually need to allow duplicates in specific cases
but not in this one :)
Shouldn't the serializable level prevent these duplicates? As I understand
it serializable
should give the same result as if the transactions were performed the one
after the other.
Thnx
Panagiotis
On Fri, 14 Sep 2007, Scott Marlowe wrote:
> On 9/14/07, Panagiotis Pediaditis <pped@xxxxxxxxxxxx> wrote:
> > A simpler example,
> > In the context of one transaction i do many queries of the form
> > INSERT INTO table value WHERE value NOT IN TABLE;
> >
> > If i have 2 processes running the same 100s of these at the same time i
> > end up with duplicates.
> > Even with isolation set to serializable
> > any ideas?
>
> Unique index?
>
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