Is the primary key setup as a class property?  That could be the issue.

On Aug 22, 2010, at 3:28 PM, Richard Palmer wrote:

> Very ordinary.
> 
> An abstract entity with three concrete subclasses implemented as a single 
> MySql table.
> 
> I don't really need the PK, but when I try to save a new instance, no PK is 
> generated (or at least, returned to the EODatabaseContext) and it throws an 
> exception.
> 
> Any advice would be most appreciated.
> 
> Richard Palmer
> 
> On Aug 22, 2010, at 10:50 AM, David Avendasora wrote:
> 
>> Hi Richard,
>> 
>> Why do you need the PK? Are you doing something special or out of the 
>> ordinary?
>> 
>> Dave
>> 
>> 
>> On Aug 22, 2010, at 3:31 AM, Richard Palmer wrote:
>> 
>>> 'm confused :-(
>>> 
>>> 
>>> Primary keys are generated by calling  primaryKeysForNewRowsWithEntity(int 
>>> count, EOEntity entity) on EOAdapterChannel.  This method, in turn, calls 
>>> primaryKeyForNewRowWithEntity(EOEntity entity) which is deprecated and 
>>> simply returns null.
>>> 
>>> These two methods are the same in 5.3.3 and 5.4.3.
>>> 
>>> What am I missing? How do we get primary keys? 
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>> 
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