ydb/yql/essentials/tests/s-expressions/suites/Blocks/ReplicateScalar.yqls

(
#comment
(let config (DataSource 'config))
(let res_sink (DataSink 'result))
(let value (Int32 '1))
(let count (Uint64 '10))
(let r (ReplicateScalar (AsScalar value) (AsScalar count)))
(let list (AsList '(r (AsScalar count))))
(let data (Collect (NarrowMap (ToFlow (WideFromBlocks (FromFlow (ExpandMap 
    (ToFlow list) (lambda '(x) (Nth x '0) (Nth x '1)) )))) (lambda '(x) x))))
(let world (Write! world res_sink (Key) data '('('type))))
(let world (Commit! world res_sink))
(return world)
)