(
(let $1 (OptionalType (DataType 'Int64)))
(let $2 '('('"_logical_id" '530) '('"_id" '"4733ad55-27af8295-3f10a3a5-dc86ccea") '('"_partition_mode" '"single")))
(let $3 (DqPhyStage '() (lambda '() (block '(
  (let $5 '('"x" (Just (Int64 '1))))
  (return (Iterator (AsList (AsStruct $5 '('"y" (Int32 '1))) (AsStruct $5 '('"y" (Int32 '"2"))) (AsStruct '('"x" (Nothing $1)) '('"y" (Int32 '"3"))))))
))) $2))
(let $4 (DqCnResult (TDqOutput $3 '"0") '('"x" '"y")))
(return (KqpPhysicalQuery '((KqpPhysicalTx '($3) '($4) '() '('('"type" '"generic")))) '((KqpTxResultBinding (ListType (StructType '('"x" $1) '('"y" (DataType 'Int32)))) '"0" '"0")) '('('"type" '"query"))))
)
