I wrote:
> I see from the coverage report that *none* of the did-not-find-tuple
> code paths in worker.c are exercised. This does not seem OK. I agree
> that probably the only way to have a test case is to kick up the debug
> level to DEBUG1 and grep the log to confirm that the message is there.
> IIRC, we already have infrastructure for grepping the log, so this
> shouldn't be that hard. Will work on it today.
Done now. It was a highly worthwhile exercise, too, because I stumbled
over two *other* bugs in this code while I was at it.
BTW, I intentionally reworded the DEBUG messages to make sure we could
tell the partitioned case apart from the non-partitioned one.
regards, tom lane