Re: Postgres unique index checking and atomic transactions

That sounds like a feature that would bring Postgres closer to Oracle in power and flexibility, (mind you, by an
increment,not enough to do an advertisement campaign!) 

Greg Stark wrote:
> Dmitry Tkach <dmitry@openratings.com> writes:
>
>
>>The good news though is that, if you drop (or disable) your pk index
>
>
> That's what I did, except I had to cascade to the foreign keys and then
> recreate them too. And you can't really recreate a primary key constraint, you
> just get a unique index which I think is equivalent.
>
> And that's another wishlist item. It would be nice to be able to disable
> constraints without dropping them and without poking around in catalog tables
> manually.
>
> Ie, it would be nice to be able to do
>
>  alter table foo disable constraint "$1"
>
> and then later do
>
>  alter table foo enable constraint "$1"
>
> and have postgres optionally recheck the constraint or not. It would be a lot
> safer than potentially accidentally recreating the constraint incorrectly. And
> a lot safer than poking around in the catalog tables.
>