On 14 July 2012 13:57, Guillaume Lelarge <guillaume(at)lelarge(dot)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?
--
Thom