Обсуждение: pgsql/src/backend/optimizer/prep prepunion.c

Поиск
Список
Период
Сортировка

pgsql/src/backend/optimizer/prep prepunion.c

От
Tom Lane
Дата:
CVSROOT:    /home/projects/pgsql/cvsroot
Module name:    pgsql
Changes by:    tgl@hub.org    01/03/27 13:02:19

Modified files:
    src/backend/optimizer/prep: prepunion.c

Log message:
    Quick hack to fix Oliver Elphick's problem with subselects in an
    inheritance query: make duplicate copies of subplans in adjust_inherited_attrs.
    When we redesign querytrees we really gotta do something about this
    issue of whether querytrees are read-only and can share substructure
    or not.