Tom Lane wrote: > What do you consider "selected"? Given a view defined as > > select a, b, c+d as sum from tab where e > 42; > > what output are you wishing for? > > AFAIR the dependency mechanism will treat a,b,c,d,e alike. To do more > you'd need to grovel through the pg_rewrite expression for the view's > select rule, which'd be excruciatingly painful from a client program > for lack of any supporting code. > > regards, tom lane > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org/ Sorry for not being overly accurate, I didn't consider a view with expressions as columns, they slipped my mind, because the views I was interested in contain only table columns, no expressions whatsoever. But seems you're right, there's no easy way to extract underlying comments...
