> I wouldn't limit it to 10 layers deep. That should be all user configurable.
> Some implementations would need full history audits, etc.
There's a few implementations to be found on gborg (?), using
C or plpgsql, respectively. Another one (which I wrote for
GnuMed) is in the GnuMed CVS below
http://savannah.gnu.org/cgi-bin/viewcvs/gnumed/gnumed/gnumed/
Ask for details if interested.
> My skill with
> triggers and plpgsql is not up to this task currently, but this is a
> suggestion for the PostgreSQL developers.
I should hope the developers spend their time on less trivial
(as long as the auditing isn't mucking with the MVCC
properties, that is) tasks. A big thanks to them for making
PostgreSQL what it is.
Karsten
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