"kurt miller" <miller_kurt_e(at)hotmail(dot)com> writes:
> I'm getting these log entries:
> ExecRestrPos: node type 18 not supported
> ExecMarkPos: node type 18 not supported
You're hitting the nested-mergejoin bug that was discovered awhile ago.
Aside from the log messages, you are probably getting wrong answers :-(.
Update to 7.0.3 to get the fix.
regards, tom lane