   `security_policy` varchar(25) NOT NULL DEFAULT 'open',
   `last_login` datetime DEFAULT NULL,
   `created_by` varchar(155) NOT NULL,
-  `created_on` datetime NOT NULL,
+  `created_on` datetime NOT NULL default CURRENT_TIMESTAMP,
   `edited_by` varchar(155) NOT NULL,
   `edited_on` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
   PRIMARY KEY (`id`),

  `sites` varchar(500) DEFAULT NULL,
  `blocked` enum('true','false') DEFAULT 'false',
  `created_by` varchar(155) NOT NULL,
  `created_on` datetime NOT NULL,
  `edited_by` varchar(155) NOT NULL,
  `edited_on` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)

  `policystr` varchar(90) not null,
  `rolehash` varchar(80) not null,
  `created_by` varchar(155) NOT NULL,
  `created_on` datetime NOT NULL default CURRENT_TIMESTAMP,
  `edited_by` varchar(155) NOT NULL,
  `edited_on` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
