Обсуждение: pgsql/src/backend/optimizer/path costsize.c

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pgsql/src/backend/optimizer/path costsize.c

От
Tom Lane
Дата:
CVSROOT:    /home/projects/pgsql/cvsroot
Module name:    pgsql
Changes by:    tgl@hub.org    01/04/25 18:04:38

Modified files:
    src/backend/optimizer/path: costsize.c

Log message:
    Tweak nestloop costing to weight restart cost of inner path more heavily.
    Without this, it was making some pretty silly decisions about whether an
    expensive sub-SELECT should be the inner or outer side of a join...