Re: ALTER TABLE DROP COLUMN
От | Bruce Momjian |
---|---|
Тема | Re: ALTER TABLE DROP COLUMN |
Дата | |
Msg-id | 200010100005.UAA29356@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: ALTER TABLE DROP COLUMN (The Hermit Hacker <scrappy@hub.org>) |
Список | pgsql-hackers |
> > > > > I am not convinced that a 2x penalty for DROP COLUMN is such a huge > > > > > problem that we should give up all the normal safety features of SQL > > > > > in order to avoid it. Seems to me that DROP COLUMN is only a big issue > > > > > during DB development, when you're usually working with relatively small > > > > > amounts of test data anyway. > > > > > > > > > > > > > Bingo! > > > > > > you are jumping on your 'I agree/Bingo' much much too fast :) > > > > You know this DROP COLUMN is a hot button for me. > > Ya, but in one email, you appear to agree with me ... then Tom posts a > good point and you jump over to that side ... at least pick a side? :) I > too wish to see it implemented, I just don't want to have to double my > disk space if at some point I decide to upgrade an application and find > out that they decided to change their schema(s) :( Sorry, I liked the vacuum idea, but 2x disk usage, not 100 at a time. -- 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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