Re: [ZODB-Dev] The write skew issue

2008-01-31 Thread Dieter Maurer
Christian Theune wrote at 2008-1-30 21:21 +0100: ... That would mean that the write skew phenomenon that you found would be valid behaviour, wouldn't it? No. Am I missing something? Yes. No matter how you order the two transactions in my example, the result will be different from what the

Re: [ZODB-Dev] The write skew issue

2008-01-30 Thread Christian Theune
Hi, Dieter Maurer schrieb: Christian Theune wrote at 2008-1-29 16:32 +0100: ... When I looked up the definitions in Wikipedia about isolation and serializability again I didn't find any hint about the conditions how to decide which ordering is preferred. From Wikipedia