On Wed, Oct 8, 2014 at 12:12 PM, Peter Geoghegan <pg@heroku.com> wrote:
> On Mon, Sep 29, 2014 at 7:21 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
>> Having said that, it would be much nicer to have a mode that allows
>> you to just say the word "UPDATE" and have it copy the data into the
>> correct columns, like MySQL does. That is very intuitive, even if it
>> isn't very flexible.
>
> I thought about this, and at first I agreed, but now I'm not so sure.
Actually, I don't think MySQL supports this. It doesn't allow INSERT
ON DUPLICATE KEY UPDATE to do it, AFAICT. Their REPLACE syntax
supports that, but that's a feature that is quite distinct to what I
have in mind here.
--
Peter Geoghegan