/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @access public
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'mailing_id' => 'mailing_id', 'scheduled_date' => 'scheduled_date', 'start_date' => 'start_date', 'end_date' => 'end_date', 'status' => 'status', 'is_test' => 'is_test', 'job_type' => 'job_type', 'parent_id' => 'parent_id', 'job_offset' => 'job_offset', 'job_limit' => 'job_limit');
}
return self::$_fieldKeys;
}
