On Tue, Dec 12, 2017 at 6:44 PM, Peter Geoghegan <p...@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 EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
