[hibernate-dev] SQM - initial UPDATE/DELETE support

[Steve Ebersole]

Just a heads up that I added initial support for UPDATE/DELETE statements
this weekend.  I am not happy with the way the "root from element" is
modeled in UPDATE/DELETE statements, and especially the wide difference
with how they work with SelectStatement and FromClause.  I plan to do some
more work there.

I think part of that is to move away from using a concrete FromClause as
the base for the "stack", instead leveraging a contract more like
FromElementSpace and something like a FromElementContainer (FromClause
would be one such container, so would a UpdateStatement and a
DeleteStatement).  Still brainstorming the specifics at the moment.