+ /**
+ * Magic formula for non-autoincrementing integer primary keys
+ *
+ * If a table has a single integer column as its primary key, DB_DataObject
+ * assumes that the column is auto-incrementing and makes a sequence table
+ * to do this incrementation. Since we don't need this for our class, we
+ * overload this method and return the magic formula that DB_DataObject needs.
+ *
+ * @return array magic three-false array that stops auto-incrementing.
+ */
+ function sequenceKey()
+ {
+ return array(false, false, false);
+ }
+
+ /**
+ * Get a single object with multiple keys
+ *
+ * @param array $kv Map of key-value pairs
+ *
+ * @return User_flag_profile found object or null
+ */
+ function pkeyGet($kv)