(
(let $1 (StructType '('"value1" (OptionalType (DataType 'String)))))
(let $2 (DqPhyStage '() (lambda '() (block '(
  (let $6 '@@["StructType";[["value1";["OptionalType";["DataType";"String"]]]]]@@)
  (let $7 (YqlRowSpec '('NativeYtTypeFlags '0) '('StrictSchema '1) '('UniqueKeys '0) '('Type $6)))
  (let $8 (YtMeta '('CanWrite '1) '('DoesExist '1) '('YqlCompatibleScheme '0) '('InferredScheme '0) '('IsDynamic '0) '('Attrs '('('"native_strict_schema" '"false")))))
  (let $9 (YtStat '('Id '"Input") '('RecordsCount '"4") '('DataSize '"144") '('ChunkCount '1) '('ModifyTime '0) '('Revision '0)))
  (let $10 (YtTable '"Input" $7 $8 $9 '('('"userschema" $1)) (Void) (Void) '"/Root/plato"))
  (let $11 (YtReadTable! world (DataSource '"yt" '"/Root/plato") '((YtSection '((YtPath $10 '('"value1") (Void) (Void))) '()))))
  (return (FromFlow (NarrowMap (DqReadWideWrap $11 '()) (lambda '($12) (AsStruct '('"value1" $12))))))
))) '('('"_logical_id" '504) '('"_id" '"48ee148f-a99dbfdc-556c9d0b-66b2cd9c"))))
(let $3 (DqCnUnionAll (TDqOutput $2 '0)))
(let $4 (DqPhyStage '($3) (lambda '($13) $13) '('('"_logical_id" '545) '('"_id" '"7da95f5a-9b191da4-77dbbd80-1afef874"))))
(let $5 (DqCnResult (TDqOutput $4 '0) '()))
(return (KqpPhysicalQuery '((KqpPhysicalTx '($2 $4) '($5) '() '('('"type" '"generic")))) '((KqpTxResultBinding (ListType $1) '0 '0)) '('('"type" '"query"))))
)
