Re: Patch to add support of "IF NOT EXISTS" to others "CREATE" statements

On Tue, Apr 1, 2014 at 2:46 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> >> Where this is a bit more interesting is in the case of sequences, where
> >> resetting the sequence to zero may cause further inserts into an
> >> existing table to fail.
> >
> > Yeah. Sequences do have contained data, which makes COR harder to
define
> > --- that's part of the reason why we have CINE not COR for tables, and
> > maybe we have to do the same for sequences. The point being exactly
> > that if you use CINE, you're implicitly accepting that you don't know
> > the ensuing state fully.
>
> Yeah. I think CINE is more sensible than COR for sequences, for
> precisely the reason that they do have contained data (even if it's
> basically only one value).
>

The attached patch contains CINE for sequences.

I just strip this code from the patch rejected before.

Regards,

--
Fabrízio de Royes Mello
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