On Mar 4, 2006, at 14:17 , Tom Lane wrote:
The UNIQUE/PRIMARY KEY syntax only allows bare column names, per the SQL standard. While there's not any technical reason why we couldn't extend that syntax, there's a pretty large fear factor involved: we could findourselves behind the spec-compliance eight-ball if the SQL committee exercises their prerogative to extend the syntax in some other direction.
Cool. Thanks for the explanation. Michael Glaesemann grzm myrealbox com