Tom,
> No, I don't. You're adding complication to solve a problem that doesn't
> need to be solved. The standard says to return the name of the
> constraint for a constraint-violation failure. It does not say anything
> about naming the associated column(s). COLUMN_NAME is only supposed to
> be defined for certain kinds of errors, and this isn't one of them.
Are we talking about FK constraints here, or CHECK contstraints?
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com