Re: Modifying check constraints
От | Vivek Khera |
---|---|
Тема | Re: Modifying check constraints |
Дата | |
Msg-id | x77kss2hxp.fsf@yertle.kciLink.com обсуждение исходный текст |
Ответ на | Re: Modifying check constraints (Stephan Szabo <sszabo@megazone23.bigpanda.com>) |
Ответы |
Re: Modifying check constraints
Re: Modifying check constraints |
Список | pgsql-general |
>>>>> "SS" == Stephan Szabo <sszabo@megazone23.bigpanda.com> writes: >> Can I change the CHECK constraint afterwards? For example, can I >> add another value that "tipo" can have, or I'd have to recreate the >> table? SS> Right now, I think you'd need to recreate, but 7.2 should let you drop SS> and re-add the check constraint. I posted a note the other day to postgres general titled "constraint surgery" showing how I altered the check constraints on a table asking if it would cause problems. it is in the list archives for Nov 7 (I think). I never got any replies, so I'm getting ready to try it on my production server and hope it doesn't croak anything. -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Vivek Khera, Ph.D. Khera Communications, Inc. Internet: khera@kciLink.com Rockville, MD +1-240-453-8497 AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/
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