method update_display = fun iter ->
let index = self#get_data ~row:iter in
self#set ~row:iter ~column:c_name (index.SQL_db.idx_name);
self#set ~row:iter ~column:c_unique
(if index.SQL_db.idx_unique then "yes" else "no");
self#set ~row:iter ~column:c_table
(SQL_db.table_of_index index).SQL_db.ta_name;
self#set ~row:iter ~column:c_descr (SQL_db.string_of_index index)