Noah Misch writes:
> On Sun, Sep 07, 2014 at 01:06:04PM -0400, Tom Lane wrote:
>> This objection could be met by doing a precheck to verify that the table
>> contains at least one live row. That's pretty ugly and personally I'm not
>> sure it's necessary, but I think there's room to argue that it
On Sun, Sep 07, 2014 at 01:06:04PM -0400, Tom Lane wrote:
> Noah Misch writes:
> > On Sat, Sep 06, 2014 at 02:01:32AM +0200, Marko Tiikkaja wrote:
> >> To do this optimization we do have to assume that CHECKs in
> >> DOMAINs are at least STABLE, but I don't see that as a problem;
> >> those should
Noah Misch writes:
> On Sat, Sep 06, 2014 at 02:01:32AM +0200, Marko Tiikkaja wrote:
>> To do this optimization we do have to assume that CHECKs in
>> DOMAINs are at least STABLE, but I don't see that as a problem;
>> those should be IMMUTABLE anyway, I think.
> The system has such assumptions al
On Sat, Sep 06, 2014 at 02:01:32AM +0200, Marko Tiikkaja wrote:
> First of all, sorry about breaking the thread; I don't subscribe to
> -general so I can't copy the original email. This is in response to
> the problem here:
> http://www.postgresql.org/message-id/CACfv+p+8dToaR7h06_M_YMjpV5Na-CQq7
Hi,
First of all, sorry about breaking the thread; I don't subscribe to
-general so I can't copy the original email. This is in response to the
problem here:
http://www.postgresql.org/message-id/CACfv+p+8dToaR7h06_M_YMjpV5Na-CQq7kN=kgjq_k84h7u...@mail.gmail.com
Attached is a very ugly proof
