On 11/15/11 7:40 PM, Tom Lane wrote: > Peter Geoghegan <pe...@2ndquadrant.com> writes: >> If we can't put isn out of its misery, a sensible compromise would be >> to rip out the prefix enforcement feature so that, for example, ISBN13 >> behaved exactly the same as EAN13. > > That might be a reasonable compromise. Certainly the check-digit > calculation is much more useful for validity checking than the prefix > checking.
Sounds good to me. FWIW, I know that ISBN is being used for some library software, so a backwards-compatible fix would be very desirable. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
