Re: Add Missing From?

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От Harald Fuchs
Тема Re: Add Missing From?
Дата
Msg-id pu3c2v2oeb.fsf@srv.protecting.net
обсуждение исходный текст
Ответ на Add Missing From?  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: Add Missing From?  (Stephan Szabo <sszabo@megazone.bigpanda.com>)
Re: Add Missing From?  (Christopher Kings-Lynne <chriskl@familyhealth.com.au>)
Re: Add Missing From?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
In article <16580.1092071243@sss.pgh.pa.us>,
Tom Lane <tgl@sss.pgh.pa.us> writes:

> Jan Wieck <JanWieck@Yahoo.com> writes:
>> What about
>> DELETE FROM staff JOIN users ...
>> then?

> I don't much care for that, mainly because in my mind "x JOIN y" should
> always be semantically equivalent to "y JOIN x".  I think we want a real
> clear syntactical separation between the deletion target table and the
> other tables.

Just one minor nit:

You're talking about "the deletion target table".  Sorry to mention
the M word again, but MySQL allows deleting from more than one table
at the same time.  Should we support that?



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