I'm sorry, the resultant node as returned is not expected. The solution, as
provided, did stop the insidious erasure of a field in a structure it did not own.
I'm content ( but i dont know any better )
If ur asking me what one is suppose to do at this point - I dunno.
gat
Bruce Momjian wrote:
> Any ideas on this one?
>
> > Uncle George <gatgul@voicenet.com> writes:
> > > In the regression test rules.sql there is this SQL command
> > > update rtest_v1 set a = rtest_t3.a + 20 where b = rtest_t3.b;
> > > Which causes my alpha port to go core.
> >
> > Yeah. This was reported by Pedro Lobo on 11 June, and we've been
> > patiently waiting for Jan to decide what to do about it :-(
> >
> > You could stop the coredump by putting a test into ResolveNew:
> >
> > {
> > *nodePtr = copyObject(n);
> > + if (IsA(*nodePtr, Var))
> > ((Var *) *nodePtr)->varlevelsup = this_varlevelsup;
> > }
> >
> > but what's not so clear is what's supposed to happen when the
> > replacement item *isn't* a Var. I tried to convince myself that nothing
> > needed to happen in that case, but wasn't successful. (Presumably the
> > replacement expression contains no instances of the variable being
> > replaced, so recursing into it with ResolveNew shouldn't be needed
> > --- but maybe its varlevelsup values need adjusted?)
> >
> > regards, tom lane
> >
> >
>
> --
> Bruce Momjian | http://www.op.net/~candle
> maillist@candle.pha.pa.us | (610) 853-3000
> + If your life is a hard drive, | 830 Blythe Avenue
> + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
>
> ************
