Re: DELETE syntax on JOINS
От
Jean-Michel Pouré
Тема
Re: DELETE syntax on JOINS
Дата
Msg-id
1251182999.5096.8.camel@acer
Ответ на
Re: DELETE syntax on JOINS (Bill Moran)
Список
Дерево обсуждения
DELETE syntax on JOINS Jean-Michel Pouré <jm@poure.com>
Re: DELETE syntax on JOINS Bruce Momjian <bruce@momjian.us>
Re: DELETE syntax on JOINS Alvaro Herrera <alvherre@commandprompt.com>
Re: DELETE syntax on JOINS Bruce Momjian <bruce@momjian.us>
Re: DELETE syntax on JOINS Bill Moran <wmoran@potentialtech.com>
Re: DELETE syntax on JOINS Jean-Michel Pouré <jm@poure.com>
Re: DELETE syntax on JOINS Alvaro Herrera <alvherre@commandprompt.com>
Re: DELETE syntax on JOINS Tom Lane <tgl@sss.pgh.pa.us>
Re: DELETE syntax on JOINS Bruce Momjian <bruce@momjian.us>
Re: DELETE syntax on JOINS Josh Berkus <josh@agliodbs.com>
Re: DELETE syntax on JOINS Bruce Momjian <bruce@momjian.us>
Re: DELETE syntax on JOINS Robert Haas <robertmhaas@gmail.com>
Re: DELETE syntax on JOINS Tom Lane <tgl@sss.pgh.pa.us>
Re: DELETE syntax on JOINS Greg Stark <gsstark@mit.edu>
Re: DELETE syntax on JOINS Tom Lane <tgl@sss.pgh.pa.us>
Re: DELETE syntax on JOINS Andrew Dunstan <andrew@dunslane.net>
Re: DELETE syntax on JOINS Tom Lane <tgl@sss.pgh.pa.us>
Re: DELETE syntax on JOINS Robert Haas <robertmhaas@gmail.com>
Re: DELETE syntax on JOINS Tom Lane <tgl@sss.pgh.pa.us>
Re: DELETE syntax on JOINS Sam Mason <sam@samason.me.uk>
Re: DELETE syntax on JOINS Bruce Momjian <bruce@momjian.us>
> With proper foreign keys and ON DELETE CASCADE, why would supporting > such syntax even be necessary? Porting existing abstraction layers from ANSI JOINs to ON DELETE CASCADE is complicated. > What I don't get is why this is such a usability issue. Subqueries in > DELETE FROM work perfectly well, and provide more flexibility than > most > users know what to do with. The ANSI syntax allows deleting one or several tables at once. Subqueries are not supported by MySQL on DELETE. Again, this is a usability issue to gain market shares and happy users againts MySQL. Kind regards, Jean-Michel
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