Re: What about improving the rules system we have, was Re: Rules going away

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От Harald Fuchs
Тема Re: What about improving the rules system we have, was Re: Rules going away
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Msg-id 86aa9olinp.fsf@protecting.net
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Ответ на What about improving the rules system we have, was Re: Rules going away  (Chris Travers <chris.travers@gmail.com>)
Ответы Re: What about improving the rules system we have, was Re: Rules going away
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In article <4116.1317226367@sss.pgh.pa.us>,
Tom Lane <tgl@sss.pgh.pa.us> writes:

> Not sure this specific proposal makes any sense at all.  IMO the only
> real advantage that rules have over triggers is that they work on a
> set-operation basis not a tuple-by-tuple basis.

Isn't that what statement-level triggers are for, at least in other DB
systems?  How about telling PostgreSQL's statement-level triggers
something about the set of rows they affect?

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