ydb/yql/essentials/tests/s-expressions/suites/SingleYamrOperation/program22.yql

(
#comment
(let mr_source (DataSource 'yt 'plato))
(let x (Read! world mr_source (Key '('table (String 'Input))) '('key 'subkey 'value) '()))
(let world (Left! x))
(let table1 (Right! x))
(let table1sorted (Sort table1 (Bool 'true) (lambda '(item) (Member item 'key))))
#(let table1sorted (Sort table1 (Tuple (Bool 'true) (Bool 'false)) (lambda '(item) (Tuple (Member item 'key) (Member item 'value)))))
(let mr_sink (DataSink 'yt (quote plato)))
(let world (Write! world mr_sink (Key '('table (String 'Output))) table1sorted '()))
(let world (Commit! world mr_sink))
(return world)
)