"Kevin Grittner" <Kevin.Grittner@xxxxxxxxxxxx> wrote: > DELETE FROM foo > where foo.b in ( > select b from foo WHERE type = 'o' > except SELECT b FROM bar > except SELECT b FROM foo where type <> 'o'); Oops. Maybe before I get excited I should try it with a query which is actually logically equivalent. :-( -Kevin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
