/**
* 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::$_fieldKeys = array('id' => 'id', 'dedupe_rule_group_id' => 'dedupe_rule_group_id', 'rule_table' => 'rule_table', 'rule_field' => 'rule_field', 'rule_length' => 'rule_length', 'rule_weight' => 'rule_weight');
}
return self::$_fieldKeys;
}
