Re: plpython triggers TD["new"] = None
От | Alvaro Herrera |
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Тема | Re: plpython triggers TD["new"] = None |
Дата | |
Msg-id | 20050127231150.GB27963@dcc.uchile.cl обсуждение исходный текст |
Ответ на | Re: plpython triggers TD["new"] = None (Michael Fuhr <mike@fuhr.org>) |
Ответы |
Re: plpython triggers TD["new"] = None
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Список | pgsql-bugs |
On Thu, Jan 27, 2005 at 04:01:32PM -0700, Michael Fuhr wrote: > On Thu, Jan 27, 2005 at 07:46:54PM -0300, Alvaro Herrera wrote: > > On Thu, Jan 27, 2005 at 03:34:55PM -0700, Michael Fuhr wrote: > > > > > OLD and NEW don't make sense in statement-level triggers because > > > the statement could affect many rows. Use FOR EACH ROW if you need > > > to access the row values. > > > > IMHO they do make sense. It's just that they haven't been implemented. > > What do you have in mind? What would OLD and NEW refer to in > statements that affect multiple rows? Are you thinking of a way > to refer to all of the old and new rows? Yes, exactly that. They would be arrays of tuples (or whatever they are called in Python -- I'm not thinking specifically in Python.) -- Alvaro Herrera (<alvherre[@]dcc.uchile.cl>) "Escucha y olvidarás; ve y recordarás; haz y entenderás" (Confucio)
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