RD> For example, when a new slot is introduced it is unbound in existing
RD> instances. I will often set the slot value to nil in the migration
RD> function. Other times I will need to query the web for the correct
RD> value for existing objects' new slots.
Here's how I do it (my-persistent-
In the other database systems I have worked with, it is common to have
some means of migrating the schema of a database and the data along
with it. As far as I know, in Elephant there is no standard way to
define database versions and upgrades/downgrades to accompany them.
Elephant could do with s
