/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'name' => 'name', 'status' => 'status', 'mailing_id_a' => 'mailing_id_a', 'mailing_id_b' => 'mailing_id_b', 'mailing_id_c' => 'mailing_id_c', 'domain_id' => 'domain_id', 'testing_criteria' => 'testing_criteria', 'winner_criteria' => 'winner_criteria', 'specific_url' => 'specific_url', 'declare_winning_time' => 'declare_winning_time', 'group_percentage' => 'group_percentage', 'created_id' => 'created_id', 'created_date' => 'created_date');
}
return self::$_fieldKeys;
}
