On Sat, 2012-07-14 at 14:01 +0100, Thom Brown wrote:
> On 14 July 2012 13:57, Guillaume Lelarge <guillaume@lelarge.info> wrote:
> > On Thu, 2012-07-12 at 12:31 +0100, Thom Brown wrote:
> >> Use of the CTID system column would work.
> >
> > I don't see how that could work. CTIDs obviously are unique, but anyone,
> > updating a line will get another CTID for this line. If you try to
> > update it afterwards, in the best case, it errors out because there is
> > no line at this CTID. In the worst case, you update a completely
> > different line.
>
> Why can't you just use "RETURNING ctid" at the end of the statement to
> get the new one and update the grid with that value?
At the end of which statement? how do you want to make it work?
--
Guillaume
http://blog.guillaume.lelarge.info
http://www.dalibo.com