Re: integrity and inherit
От | Bo Lorentsen |
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Тема | Re: integrity and inherit |
Дата | |
Msg-id | 3B84FA67.B1CA8D80@netgroup.dk обсуждение исходный текст |
Ответ на | Re: integrity and inherit ("Oliver Elphick" <olly@lfix.co.uk>) |
Ответы |
Re: integrity and inherit
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Список | pgsql-novice |
Oliver Elphick wrote: Thanks for the quick answer ! > Referential integrity doesn't support references to inheritance hierarchies. > You will have to redesign your database. That is sad news, is this scheduled to be fixed in the near future ? > For example, have a trigger on each table in the hierarchy to update a > table of keys and use RI on that; it would also help you to maintain > primary keys -- you probably think that table derived inherits the > primary key constraint from base, but it doesn't. That is another problem > with the current implementation of inheritance. :-( I'm not quite sure what you meen. Does this mean that I sould make a rule on insert on every enherited table, that makes sure the base is updated ? When I do my "SELECT * FROM base" and see the value id the ID, what kind of value am I then looking at ? /BL
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