(
(let $1 (DqPhyStage '() (lambda '() (block '(
  (let $5 '@@["StructType";[["key";["DataType";"String"]];["subkey";["DataType";"String"]];["value";["DataType";"String"]]]]@@)
  (let $6 (YqlRowSpec '('NativeYtTypeFlags '0) '('StrictSchema '1) '('UniqueKeys '0) '('Type $5)))
  (let $7 (YtMeta '('CanWrite '1) '('DoesExist '1) '('YqlCompatibleScheme '1) '('InferredScheme '0) '('IsDynamic '0) '('Attrs '('('"native_strict_schema" '"false")))))
  (let $8 (YtStat '('Id '"Input") '('RecordsCount '"4") '('DataSize '"166") '('ChunkCount '1) '('ModifyTime '0) '('Revision '0)))
  (let $9 (YtTable '"Input" $6 $7 $8 '() (Void) (Void) '"/Root/plato"))
  (let $10 (YtReadTable! world (DataSource '"yt" '"/Root/plato") '((YtSection '((YtPath $9 '() (Void) (Void) (Void))) '()))))
  (return (FromFlow (NarrowMap (DqReadWideWrap $10 '()) (lambda '() (AsStruct '('"column0" (Bool 'true)))))))
))) '('('"_logical_id" '612) '('"_id" '"e4d47d3a-576a26c1-5b2e8810-661df996"))))
(let $2 (DqCnUnionAll (TDqOutput $1 '0)))
(let $3 (DqPhyStage '($2) (lambda '($11) $11) '('('"_logical_id" '650) '('"_id" '"cc619e0c-cfed144-5f32e32d-99cd8945"))))
(let $4 (DqCnResult (TDqOutput $3 '0) '('"column0")))
(return (KqpPhysicalQuery '((KqpPhysicalTx '($1 $3) '($4) '() '('('"type" '"generic")))) '((KqpTxResultBinding (ListType (StructType '('"column0" (DataType 'Bool)))) '0 '0)) '('('"type" '"query"))))
)
