On 04/28/2014 05:19 AM, Raghav wrote:
> postgres=# insert into dtest values (1,'D');
> INSERT 0 1
> postgres=# insert into dtest values (1,'D');

But your indexes will also prevent something like:

* Stop your slons

  insert into dtest values (1,'D');
  delete from dtest;
  insert into dtest values (1,'D');

which should be allowed.