| From: | Hannu Krosing <hannu(at)tm(dot)ee> |
|---|---|
| To: | Don Baccus <dhogaza(at)pacifier(dot)com> |
| Cc: | The Hermit Hacker <scrappy(at)hub(dot)org>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] Happy column dropping |
| Date: | 2000-01-23 22:19:25 |
| Message-ID: | 388B7E6D.622A8C62@tm.ee |
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| Lists: | pgsql-hackers |
Don Baccus wrote:
>
> At 12:04 AM 1/24/00 +0200, Hannu Krosing wrote:
>
> >It could possibly be done by marking the column deleted and doing the
> >compression/renumbering during vacuum , or by locking the table and
> >compressing each page in-place if space is a concern or maybe several
> >other ways.
> >The existence of several ways to do it should not discourage people
> >from actually adding the drop column feature to postgres
>
> It should provide even more encouragement to discuss the proposed
> implementation *first*.
Judging from the length of this thread it is much more effective to get
a discussion *after* ;)
---------------
Hannu
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