Re: Add Missing From?
От | Josh Berkus |
---|---|
Тема | Re: Add Missing From? |
Дата | |
Msg-id | 200408090953.29505.josh@agliodbs.com обсуждение исходный текст |
Ответ на | Re: Add Missing From? (Jan Wieck <JanWieck@Yahoo.com>) |
Ответы |
Re: Add Missing From?
Re: Add Missing From? |
Список | pgsql-hackers |
People, > > DELETE FROM target_tbl USING other_tbls WHERE ... > > Feels much more understandable. The second FROM looks like a hickup. Yes, although imagine: DELETE FROM staff USING users JOIN logons USING (user_id) WHERE last_logon < ( now() - '6 months'); Not as bad as FROM, but still a bit baffling to look at. Still, I can't think of anything else that wouldn't require inventing a new reserved word. Oh, and MySQL's "multi-table deletes": PLEASE tell me that's not SQL-standard. -- Josh Berkus Aglio Database Solutions San Francisco
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