Re: ADD FOREIGN KEY (was Re: [GENERAL] 7.4Beta)
От
Tom Lane
Тема
Re: ADD FOREIGN KEY (was Re: [GENERAL] 7.4Beta)
Дата
Msg-id
19584.1064934958@sss.pgh.pa.us
Ответ на
Re: ADD FOREIGN KEY (was Re: [GENERAL] 7.4Beta) (Stephan Szabo)
Список
Дерево обсуждения
Re: ADD FOREIGN KEY Christopher Browne <cbbrowne@acm.org>
Re: ADD FOREIGN KEY Manfred Koizar <mkoi-pg@aon.at>
Re: ADD FOREIGN KEY Tom Lane <tgl@sss.pgh.pa.us>
Stephan Szabo writes: > As a side note, in the partial implementation I'd already done, I noticed > a potential problem if the person doing the alter table didn't have read > permissions on the pktable. I'd written it to bail and do the slow check > in that case (well actually in most error cases that didn't themselves > cause an elog), does anyone have a better idea? Wouldn't all the subsequent triggers fail also in such a case? (For that matter, wouldn't the existing implementation of the initial check fail?) I can't see a reason to expend code to avoid failing here. It's not very sensible to be able to create an FK on a table you don't have read permission for. regards, tom lane
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