(
#comment
(let config (DataSource 'config))
(let world (Configure! world config 'OrderedColumns))
(let res_sink (DataSink 'result))
(let list (AsList (AsStruct '('a (Int32 '1)) '('b (String 'foo)))))
(let data (SqlRename (AssumeColumnOrder list '('a 'b)) '('b 'a)))
(let world (Write! world res_sink (Key) data '('('type))))
(let world (Commit! world res_sink))
(return world)
)