Re: Create Table Dialog: Change Column after creation/Reorder Columns
От | Dave Page |
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Тема | Re: Create Table Dialog: Change Column after creation/Reorder Columns |
Дата | |
Msg-id | AANLkTil-JoWrDaKFeqPAKTjjKPtapRBfh7Qs8VrhmTYm@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Create Table Dialog: Change Column after creation/Reorder Columns (Magnus Hagander <magnus@hagander.net>) |
Ответы |
Re: Create Table Dialog: Change Column after
creation/Reorder Columns
|
Список | pgadmin-hackers |
On Mon, Jun 21, 2010 at 4:18 PM, Magnus Hagander <magnus@hagander.net> wrote: > I think that's an acceptable solution, provided it works well. *IFF* > it is very very very very clear to the user that this is what happens > (extra warning dialog(s), please!). A lot of people have tables small > enough that this is not a problem. > > And remember that it's not quite as trivial as one would initially > think - you still need to recreate all indexes and foreign keys and > sutff. But it's certainly doable. And views and functions and rules and triggers.... Just handling that lot would be a significant amount of code. My main concerns though, are the space requirements for a large table and the locking that would be required. This is not something you would attempt on a large or busy table unless you were certifiably insane. -- Dave Page EnterpriseDB UK: http://www.enterprisedb.com The Enterprise Postgres Company
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