Re: Selecting * from the base table but getting the inheriteds

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От Ross J. Reedstrom
Тема Re: Selecting * from the base table but getting the inheriteds
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Msg-id 20021101163735.GA443@wallace.ece.rice.edu
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Ответ на Re: Selecting * from the base table but getting the inheriteds  ("James Adams" <pornstarbatman@hotmail.com>)
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On Wed, Oct 30, 2002 at 10:25:17AM +0100, James Adams wrote:
> Yea it would be easier to have everything in one table filling unused with
> nulls, but I was trying to avoid that because of the wasted space.
> But I think I'll do it that way after all  :~]
> Thanks for your help

Don't fret too much about the wasted space: NULL fields set a bit in
a bitmask in the header of the on-disk tuple, so they take up _no_
storage at all.

Ross


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