id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
12803	Add transaction support to WPDB (begin(), commit(), rollback())	Pressography		"There's a .diff for the functions, but I don't see them in the source. I'm guessing it was never committed? (Ticket #9422 was marked as closed after it was discussed that this diff would be put off until 2.9) I think it just got lost in the mix. That ticket had a number of attachments and lots of discussion.

Here's the diff:

http://core.trac.wordpress.org/attachment/ticket/9422/9422-new-wpdb-methods.diff"	enhancement	closed	normal		Database		normal	maybelater