Hi,
Dieter Maurer schrieb:
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 wil
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
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 ("http://en.wikipedi
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 ("http://en.wikipedia.org/wiki/Serializable_%28
Hi,
here is an interesting oppinion on the write skew issue:
I talked to one of the PostgreSQL developers on a conference last week
and asked him about his oppinion on MVCC and the write skew issue we
detected in ZODB (and in principle in all other MVCC-based DBs).
He said that serialization
