Re: Sequence Access Method WIP

On 08/11/14 00:45, Robert Haas wrote:
> On Nov 5, 2014, at 5:43 PM, Petr Jelinek <petr@2ndquadrant.com> wrote:
>> I don't see how to make that work with ALTER SEQUENCE USING to be honest and I do care quite a lot about that
use-case(I think the ability to convert the "local" sequences to 3rd party ones and back is very important).
 
>
> What specific problems do you foresee?  There's an issue if something depends on one of the added sequence columns,
butif that is the case then you had *better* fail.
 
>
> I think that the debugability value of making extra sequence columns human-readable is quite high.
>

My main problem is actually not with having tuple per-seqAM, but more 
with the fact that Heikki does not want to have last_value as compulsory 
column/parameter. How is the new AM then supposed to know where to pick 
up and if it even can pick up?

--  Petr Jelinek                  http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training &
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