[dev] dataThree _load limit

[Chuck Hagenbuch]

Quoting duck at obala.net:

> Patches add the ability to limit the amount of data we would like to 
> load inside a datathree by adding the DB::modifyLimitQuery method to 
> the DataThree::_load. I also added a "count" method. The query 
> preparation is moved in the _buildLoadQuery method to avoind 
> duplication of code.

I can't see how this won't end up breaking applications very easily; you can't
predict how much data you *need* to load, because it loads parent objects as
well.

-chuck

--
"But she goes not abroad in search of monsters to destroy." - John 
Quincy Adams