2 Inheritance

All base class fields (columns) are inherited, subclasses can add fields and can only change inherited field types.

The unique and connectionAlias attributes are inherited from left most, depth first class which defines them.

Static methods are inherited as static methods.

Instance methods are inherited as instance methods.

PyDO classes cannot inherit from non-PyDO classes.

The _instantiable, sequenced and auto_increment attributes are not inherited.