RE: pg_depend
От | Christopher Kings-Lynne |
---|---|
Тема | RE: pg_depend |
Дата | |
Msg-id | ECEHIKNFIMMECLEBJFIGEEENCBAA.chriskl@familyhealth.com.au обсуждение исходный текст |
Ответ на | Re: pg_depend (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
> 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? Hmmm...an unadorned drop could remove the object without RESRICTing it or CASCADEing it. Hence, if there are objects that depend on it, the object will be removed anyway, and dependent objects will not be touched. It's one of those things that gives the DBA power, but might let them munge their database. (Although it's exactly the same as the current way things happen) Chris
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