On Wed, Jun 28, 2006 at 02:48:01PM -0400, Brad Nicholson wrote: > I'm seeing something fairly unintuitive about serializable transactions. > > Taking the following test case:
<snip> > http://www.postgresql.org/docs/8.1/interactive/transaction-iso.html > > "When a transaction is on the serializable level, a SELECT query sees > only data committed before the transaction began; it never sees either > uncommitted data or changes committed during transaction execution by > concurrent transactions." I think the issue here is that transaction begin is not when you type "begin" but at your first actual query. You can obviously only start a transaction once you know what serialisation level you want, and you don't see that till after the begin. Hope this helps, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to > litigate.
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