Alexander Farber <alexander.farber@xxxxxxxxx> writes: > ... > However, before saving a review, I would like to delete all previous > reviews coming from the same IP in the past 24 hours: > ... > I have the feeling that the _author_ip variable is not really necessary and > I could use some kind of "DELETE JOIN" here, but can not figure it out. Sure, see the USING clause in DELETE. Although your example seems a bit confused, since you're not actually referring to _author_ip anywhere. And if you meant "_author_ip" where you wrote "u._author_ip", that's in a sub-SELECT, where you could just add a join to words_users without needing any nonstandard DELETE syntax. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
