On Tue, Dec 12, 2017 at 6:44 PM, Peter Geoghegan <pg@bowt.ie> wrote:
> Yes, you have that right. Per dumptuples(), even the zero tuple run edge
> case will still write a run marker, and will therefore still consume a tape.
> We must have at least two initial runs to merge. (though dummy runs for non
> final merges are a slightly different matter.)
OK, committed.
--
Robert Haas
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