On Sun, 1 Jun 2008 15:36:14 -0500
"Adam Rich" <adam.r@sbcglobal.net> wrote:
> I am not familiar with the python library, but that looks correct
> to me. You can always test it by adding a sleep between your two
> queries and modifying the database from a console connection
> during the sleep.
> Note that I'm assuming your 5 queries are all read-only selects.
> If you're modifying data during your queries, and another
> concurrent database connection modifies the same data during your
> transaction, the later modifications will fail under serializable
> isolation.
Which one will fail? the second query or the serializable
transaction.
My understanding was that the serializable transaction will fail.
--
Ivan Sergio Borgonovo
http://www.webthatworks.it