Robert Haas escribió: > On Thu, Oct 8, 2009 at 3:30 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> > I notice also that the patch has chosen to represent Dml in XML/JSON > > explain output as Node Type = Dml with an entirely new attribute > > Operation to indicate Insert/Update/Delete. Do we really want to > > go there? Adding single-purpose attributes doesn't seem like a great > > idea. > > Well, I was the one who suggested doing it that way, so you can blame > me for that, but it is consistent with how we've handled other things, > like setops and jointypes: the details get moved to another tag so as > to avoid an explosive growth in the number of node types that clients > must be prepared for. Perhaps how a join is implemented in a plan can be considered a "detail", but I don't think the same holds true for insert vs. update. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
