Обсуждение: pgsql: cost_agg really ought to charge something per output tuple; else

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pgsql: cost_agg really ought to charge something per output tuple; else

От
tgl@svr1.postgresql.org (Tom Lane)
Дата:
Log Message:
-----------
cost_agg really ought to charge something per output tuple; else there
are cases where it appears to have zero run cost.

Modified Files:
--------------
    pgsql/src/backend/optimizer/path:
        costsize.c (r1.146 -> r1.147)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/costsize.c.diff?r1=1.146&r2=1.147)