'sub_start' => array('type' => 'datetime', 'description' => 'subscription start'),
'sub_end' => array('type' => 'datetime', 'description' => 'subscription end'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
'sub_start' => array('type' => 'datetime', 'description' => 'subscription start'),
'sub_end' => array('type' => 'datetime', 'description' => 'subscription end'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),