Re: [GENERAL] Retrieval of OO objects.

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От Chris Bitmead
Тема Re: [GENERAL] Retrieval of OO objects.
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Msg-id 37173BC4.A6C99B61@bigfoot.com
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Ответ на Re: [GENERAL] Retrieval of OO objects.  ("Oliver Elphick" <olly@lfix.co.uk>)
Ответы Re: [GENERAL] Retrieval of OO objects.  ("Oliver Elphick" <olly@lfix.co.uk>)
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Oliver Elphick wrote:

> This is in line with standard OO treatment of inherited classes.
> Class aaa only has a single feature, a; it knows nothing about additional
> features of descendant classes.

But if you are say, using postgres to construct some C++ classes for
types bbb and ccc, you would want to be able to get access to fields b
and c so that you can construct your classes appropriately. This is how
real object databases work.

--
Chris Bitmead
http://www.bigfoot.com/~chris.bitmead
mailto:chris.bitmead@bigfoot.com

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