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Re: AW: ALTER TABLE DROP COLUMN - Mailing list pgsql-hackers

From Tom Lane
Subject Re: AW: ALTER TABLE DROP COLUMN
Date
Msg-id 26043.971361517@sss.pgh.pa.us
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In response to AW: ALTER TABLE DROP COLUMN  (Zeugswetter Andreas SB <ZeugswetterA@wien.spardat.at>)
Responses Re: AW: ALTER TABLE DROP COLUMN  (The Hermit Hacker <scrappy@hub.org>)
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Zeugswetter Andreas SB <ZeugswetterA@wien.spardat.at> writes:
> My conclusion would be that we need both:
> 1. a fast system table only solution with physical/logical column id
> 2. a tool that does the cleanup (e.g. vacuum) 

But the peak space usage during cleanup must still be 2X.
        regards, tom lane

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