Re: index scan with index cond on first column doesn't recognize sort order of second column

Greg Stark <gsstark@mit.edu> writes:
> [ other stuff I'll respond to later ]

> Basic postgres mm question, is there a cdr function,

lfirst() == car().  lnext() == cdr().  Practically all the basic planner
datastructures were lifted from an original implementation in Lisp, and
other than these gratuitous(?) renamings, the semantics are still the
same.

> It all gets cleaned up with a ripcord deallocator?

Right.  Garbage collection r us; don't worry about leaking a cons cell
here or there.

            regards, tom lane