[ZODB-Dev] Getting an up to date instance of a persistent object

[David Binger]

On Jun 2, 2006, at 5:05 AM, Pascal Peregrina wrote:

> Below is a partial illustration of what I was saying earlier: in a  
> given connection, just after a conn.sync(), if I access the  
> _p_serial attribute of a persistent object and the object state is  
> outdated, then the up to date state won't be loaded. But if I then  
> access the _p_mtime attribute, the up to date state is loaded.

The _p_mtime attribute is really the unusual one among the _p_*  
attributes
in that accessing it will unghostify the instance (and this seems  
reasonable).

I guess that _p_serial attribute should be understood to mean the serial
number of the last loaded state.