Re: RFD: schemas and different kinds of Postgres objects

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От Peter Eisentraut
Тема Re: RFD: schemas and different kinds of Postgres objects
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Msg-id Pine.LNX.4.30.0201221816130.686-100000@peter.localdomain
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Ответ на Re: RFD: schemas and different kinds of Postgres objects  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: RFD: schemas and different kinds of Postgres objects
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Tom Lane writes:

> I don't buy that premise.  It's true that SQL92 equates ownership of a
> schema with ownership of the objects therein, but AFAICS we have no hope
> of being forward-compatible with existing database setups (wherein there
> can be multiple tables of different ownership all in a single namespace)
> if we don't allow varying ownership within a schema.

We could have a Boolean knob that says "if you don't find the object in
the default schema, search all other schemas".  That should provide all
the backward compatibility we need.  Moreover, I figure if we do it that
way, the whole schema implementation reduces itself mostly to parser work,
no complicated system catalog changes, no complex overhaul of the
privilege system -- at least initially.

-- 
Peter Eisentraut   peter_e@gmx.net



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