Re: [HACKERS] Re: Apparent bug in _make_subplan

> Bruce Momjian wrote:
> > 
> > > subselect.c uses varlevelsup as absolute level number only
> > > for correlation vars <--> params mapping, so why should it be
> > > source of bugs? SS_replace_correlation_vars replaces all
> > > correlation vars with parameters. Vars with absolute varlevelsup
> > > are in PlannerParamVar only. To identify correlation vars and
> > > to know is parameter already assigned to a var we obviously
> > > need in absolute level number.
> > 
> > But the varlevelsup I pass in from the parser are relative to the
> > current level, not absolute.
> 
> subselect.c takes it into account, computes absolute numbers
> and stores them in PlannerParamVar only...

Oh.

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