> There is no way to create run-time references to metadata objects
> in PSQL.
> If you want to perform this test in a trigger, you will have to hard-code
> it for each column in your PSQL code. You could, however, create a
> client-side utility routine for yourself, to build a script for creating
> such BEFORE UPDATE triggers for each of your volatile tables.
> Your program
> can query RDB$RELATION_FIELDS to get all of the column names for a table.
>
> heLen

Helen,
Doesn't IBO do some of this magic for you anyway by only updating changed
fields?
Alan