On Thu, Apr 30, 2015 at 6:36 PM, Joe Wildish <joe-postgresql....@elusive.cx> wrote: > I’m wondering if there are other people out there working on implementing SQL > ASSERTION functionality? > > I’ve recently spent a bit of time looking to implement the execution models > described in “Applied Mathematics for Database Professionals” by Toon > Koppelaars and Lex de Haan. I’ve gotten as far as execution model 3 and am > now looking at deriving polarity of involved tables to do EM4 (described in > some detail in “Deriving Production Rules for Constraint Maintenance”, Ceri & > Widom, VLDB Conference 1990, p555-577). EM5 & EM6 look rather more difficult > but I’m intending to try and implement those, too. > > If there are other people working on this stuff it would be great to > collaborate.
I don't know of anyone working on this. It sounds very difficult. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
