cubicweb #2385173 Don't log passwords on SQL rollback [open]

For some reason I have a rollback on an sql query, cubicweb should try and not log this when sensitive information is in it

 2012-05-30 17:29:08 - (cubicweb.sources.system) CRITICAL: sql: 'SELECT _U.cw_eid\nFROM cw_CWUser AS _U\nWHERE _U.cw_login=%  (login)s AND _U.cw_openid=%(openid)s'
 args: {'login': u'user', 'password': 'password'}
dbms message: 'openid'
2012-05-30 17:29:08 - (cubicweb.sources.system) CRITICAL: transaction has been rollbacked
done in<not specified>
closed by<not specified>