On Thu, Jul 31, 2014 at 3:52 PM, Kevin Grittner <kgrittn@ymail.com> wrote:
This goes beyond the capabilities of declarative constraints to enforce. You can enforce it using triggers, but you need to handle race conditions, which is not easy with MVCC behavior (where reads don't block anything and writes don't block reads). There are basically two ways to cover that:
<snip>
Thanks for the detailed response. It gives me much to work with/follow-up on.
