"Kevin Grittner" <kevin.gritt...@wicourts.gov> writes: > ... The precise > conditions in which an UPDATE or DELETE can view an inconsistent > database state (and therefore potentially persist something based on > that inconsistent state) are that it has a FROM clause and/or > subqueries which reference data changed by a concurrent database > transaction which also affects rows which are targets of the UPDATE > or DELETE.
Are we sure that's a precise and complete description? I don't have a problem with putting a description just like that in the docs, but I'm not yet convinced it's right. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers