Re: BUG #4465: GROUP BY is not to SQL standard

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От Gregory Stark
Тема Re: BUG #4465: GROUP BY is not to SQL standard
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Msg-id 87fxmyboyk.fsf@oxford.xeocode.com
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Ответ на Re: BUG #4465: GROUP BY is not to SQL standard  ("Tony Marston" <tony@marston-home.demon.co.uk>)
Ответы Re: BUG #4465: GROUP BY is not to SQL standard
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"Tony Marston" <tony@marston-home.demon.co.uk> writes:

> I think your definition of "Feature T301 Functional Dependencies" is
> extremely questionable. ... If you support both key and non-key columns on a
> table then you support functional dependencies whether you like it or not.

An ISO/IEC 9075 conformant implementation must list in its documentation which
optional features it claims to support. Postgres does so at:

http://www.postgresql.org/docs/8.3/static/features.html

In particular note that T301 is listed partway down this list:

http://www.postgresql.org/docs/8.3/static/unsupported-features-sql-standard.html


> As soon as I point out an SQL standard that you DON'T follow I get a barrage
> of weasel words and pathetic excuses.

Well then.

--
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com
  Ask me about EnterpriseDB's 24x7 Postgres support!

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