On 9/15/07, Panagiwths Pediadiths <pped@ics.forth.gr> wrote:
> 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.
http://www.postgresql.org/docs/8.2/static/transaction-iso.html#MVCC-SERIALIZABILITY