> > I didn't add the change you proposed here to keep COLUMNS optional; > > instead, I just made COLUMNS mandatory. I think what you propose here > > is not entirely out of the question, but you left out ruleutils.c > > support for it, so I decided to leave it aside for now so that I could > > get this patch out of my plate once and for all. If you really want > > that feature, you can submit another patch for it and discuss with the > > RMT whether it belongs in PG10 or not. > > It is interesting feature - because it replaces XPATH function, but not > important enough.
OK. > For daily work the default schema support is much more interesting.
Let's see that one, then. It was part of the original submission so depending on how the patch we looks can still cram it in. But other patches have priority for me now.