Autoload issue

[doliveirakn]

If Rails has autoloaded the parent class but not any of the children, we don't have the mapping so when you do a query, you may get an exception

The single-table inheritance mechanism failed to locate the subclass: '1'

This is purely a bug in development, since Production modes you eagar load all of the classes.

[doliveirakn]

This can be worked around for the time being by manually specifying the entire mapping in the base class

    self._inheritance_mapping = {
      1 => "Bar",
      2 => "Foo",
    }