On Thu, Aug 23, 2012 at 2:02 PM, Evan Priestley <epriest...@phacility.com>wrote:
> We solve this in Phabricator by using BEGIN (depth 0) or SAVEPOINT (depth > 1+) when incrementing the counter, ROLLBACK TO SAVEPOINT (depth 1+) or > ROLLBACK (depth 0) when decrementing it after a failure, and nothing (depth > 1) or COMMIT (depth 0) when decrementing it after a success. Our experience > with transaction stacks has generally been good (no real surprises, doesn't > feel magical, significantly reduces the complexity of transactional code), > although we don't support anything but MySQL. > Oooh, nice! Hadn't come across SAVEPOINT before. http://dev.mysql.com/doc/refman/5.0/en/savepoint.html -- brion _______________________________________________ Wikitech-l mailing list Wikitech-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikitech-l
