[GENERAL] Re: How to implement a uniqueness constraint across multiple tables?

2014-08-01 Thread David G Johnston
Pujol Mathieu wrote Le 31/07/2014 20:38, Kynn Jones a écrit : I want to implement something akin to OO inheritance among DB tables. The idea is to define some superclass table, e.g.: (BTW, one could use PostgreSQL built-in support for table inheritance to implement something very much

Re: [GENERAL] Re: How to implement a uniqueness constraint across multiple tables?

2014-08-01 Thread Pujol Mathieu
Le 01/08/2014 09:28, David G Johnston a écrit : Pujol Mathieu wrote Le 31/07/2014 20:38, Kynn Jones a écrit : I want to implement something akin to OO inheritance among DB tables. The idea is to define some superclass table, e.g.: (BTW, one could use PostgreSQL built-in support for table