Tom Lane wrote: > Andres Freund <and...@anarazel.de> writes: > > On 2017-01-24 21:32:56 -0300, Alvaro Herrera wrote: > >> XMLTABLE is specified by the standard to return multiple rows ... but > >> then as far as my reading goes, it is only supposed to be supported in > >> the range table (FROM clause) not in the target list. I wonder if > >> this would end up better if we only tried to support it in RT. I asked > >> Pavel to implement it like that a few weeks ago, but ... > > > Right - it makes sense in the FROM list - but then it should be an > > executor node, instead of some expression thingy. > > +1 --- we're out of the business of having simple expressions that > return rowsets.
Well, that's it. I'm not committing this patch against two other committers' opinion, plus I was already on the fence about the implementation anyway. I think you should just go with the flow and implement this by creating nodeTableexprscan.c. It's not even difficult. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
