Re: ALTER TABLE ... ADD COLUMN
От | Alvaro Herrera |
---|---|
Тема | Re: ALTER TABLE ... ADD COLUMN |
Дата | |
Msg-id | 20021004222106.GC12448@atentus.com обсуждение исходный текст |
Ответ на | Re: ALTER TABLE ... ADD COLUMN (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
On Fri, Oct 04, 2002 at 05:57:02PM -0400, Tom Lane wrote: > Alvaro Herrera <alvherre@atentus.com> writes: > > I'm thinking about ALTER TABLE ... ADD COLUMN working properly when > > child tables already contain the column. > > There are two cases: one when specifying ALTER TABLE ONLY, and other > > when specifying recursive (not ONLY). > I don't like resetting attislocal here. If you do that, then DROPping > the parent column doesn't return you to the prior state. I think I gave > this example before, but consider Huh, I don't know where I got the idea you were (or someone else was?) in the position that attislocal should be reset. I'll clean everything up and submit the patch I had originally made. -- Alvaro Herrera (<alvherre[a]atentus.com>) "Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end." (2nd Commandment for C programmers)
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