Re: pg_depend
От | Bruce Momjian |
---|---|
Тема | Re: pg_depend |
Дата | |
Msg-id | 200107170157.f6H1vuZ21601@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: pg_depend (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
> Hiroshi Inoue <Inoue@tpf.co.jp> writes: > > Is it really determined that *DROP OBJECT* drops the objects > > which are dependent on it ? > > DROP object CASCADE should work that way, because that's what the spec > says. > > Whether the default DROP behavior should be CASCADE, RESTRICT, or the > current laissez-faire behavior remains to be debated ;-). The spec > is no help since it has no default: DROP *requires* a CASCADE or > RESTRICT option in SQL92. But I doubt our users will let us get away > with changing the syntax that way. So, once we have the CASCADE and > RESTRICT options implemented, we'll need to decide what an unadorned > DROP should do. Opinions anyone? Don't forget RENAME. And what do we do if two items depend on the same object. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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