[Zope-dev] ZODB.POSException.ConflictError on attribute assignment

Dieter Maurer dieter at handshake.de
Sun Sep 3 13:43:22 EDT 2006


Michael Dunstan wrote at 2006-9-2 10:58 +1200:
> ...
>ConflictErrors are _not_ a mechanism for
>prohibiting attribute assignment because that attribute already
>exists. Instead ConflictErrors are a mechanism to prohibit inadvertent
>concurrent updates of the same attribute. (Or in older ZODB's, even
>concurrent reading of an attribute that is being written too.)

A minor correction: not concurrent updates to the same attribute
but of the same persistent object.



-- 
Dieter


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