(
(let $1 '@@["StructType";[["key";["DataType";"String"]];["subkey";["DataType";"String"]];["value";["DataType";"String"]]]]@@)
(let $2 (YqlRowSpec '('NativeYtTypeFlags '0) '('StrictSchema '1) '('UniqueKeys '0) '('Type $1)))
(let $3 (YtMeta '('CanWrite '1) '('DoesExist '1) '('YqlCompatibleScheme '1) '('InferredScheme '0) '('IsDynamic '0) '('Attrs '('('"native_strict_schema" '"false")))))
(let $4 (YtStat '('Id '"Input") '('RecordsCount '"4") '('DataSize '"166") '('ChunkCount '1) '('ModifyTime '0) '('Revision '0)))
(let $5 (YtTable '"Input" $2 $3 $4 '() (Void) (Void) '"/Root/plato"))
(let $6 (YtReadTable! world (DataSource '"yt" '"/Root/plato") '((YtSection '((YtPath $5 '('"key" '"subkey") (Void) (Void))) '()))))
(let $7 (DqReadWideWrap $6 '()))
(let $8 (Int32 '1))
(let $9 (Int32 '"2"))
(let $10 (lambda '($55 $56 $57) $56 $57 $55))
(let $11 '('"_logical_id" '4397))
(let $12 (DataType 'Int32))
(let $13 '('_yql_agg_0 $12))
(let $14 '('_yql_agg_1 $12))
(let $15 (DataType 'String))
(let $16 '('"key" $15))
(let $17 (StructType $13 $14 $16))
(let $18 '($11 '('"_id" '"c3b6488a-9ca411f5-ed05c127-3bcac5cc") '('"_wide_channels" $17)))
(let $19 (DqPhyStage '() (lambda '() (block '(
  (let $44 (lambda '($49 $50) $8 $9))
  (let $45 (lambda '($51 $52 $53 $54) $53 $54))
  (return (DqPhyHashCombine (WideToBlocks (FromFlow (WideMap $7 (lambda '($46 $47) $46)))) '-1073741824 (lambda '($48) $48) $44 $45 $10))
))) $18))
(let $20 (DqCnHashShuffle (TDqOutput $19 '0) '('"2") '0 '"HashV2"))
(let $21 (OptionalType $15))
(let $22 '('"_partition_mode" '"aggregate"))
(let $23 (StructType '('"k1" $12) '('"k2" $12) $16 '('"subkey" $21)))
(let $24 '('"_wide_channels" $23))
(let $25 '('('"_logical_id" '4314) '('"_id" '"c8a965ff-bfc8ee4c-51f8e3d6-62d43664") $22 $24))
(let $26 (DqPhyStage '($20) (lambda '($58) (block '(
  (let $59 (lambda '($66 $67 $68 $69) $67 $68))
  (let $60 (lambda '($70 $71 $72 $73 $74 $75) $74 $75))
  (let $61 (WideCombiner (ToFlow (WideFromBlocks $58)) '"" (lambda '($63 $64 $65) $65) $59 $60 $10))
  (let $62 (lambda '($76 $77 $78) $76 $77 $78 (Nothing $21)))
  (return (FromFlow (WideMap $61 $62)))
))) $25))
(let $27 (lambda '($94 $95 $96 $97) $96 $97 $94 $95))
(let $28 (StructType $13 $14 $16 '('"subkey" $15)))
(let $29 '($11 '('"_id" '"1f6ea3b7-e2c9581c-9b95c604-f4959331") '('"_wide_channels" $28)))
(let $30 (DqPhyStage '() (lambda '() (block '(
  (let $79 (lambda '($82 $83) $82 $83))
  (let $80 (lambda '($84 $85 $86 $87) $8 $9))
  (let $81 (lambda '($88 $89 $90 $91 $92 $93) $92 $93))
  (return (DqPhyHashCombine (WideToBlocks (FromFlow $7)) '-1073741824 $79 $80 $81 $27))
))) $29))
(let $31 (DqCnHashShuffle (TDqOutput $30 '0) '('"2" '"3") '0 '"HashV2"))
(let $32 '('('"_logical_id" '4488) '('"_id" '"fa1b50fd-d2bf9e94-56271007-f56f1e22") $22 $24))
(let $33 (DqPhyStage '($31) (lambda '($98) (block '(
  (let $99 (lambda '($104 $105 $106 $107) $106 $107))
  (let $100 (lambda '($108 $109 $110 $111 $112 $113) $110 $111))
  (let $101 (lambda '($114 $115 $116 $117 $118 $119 $120 $121) $120 $121))
  (let $102 (WideCombiner (ToFlow (WideFromBlocks $98)) '"" $99 $100 $101 $27))
  (let $103 (lambda '($122 $123 $124 $125) $122 $123 $124 (Just $125)))
  (return (FromFlow (WideMap $102 $103)))
))) $32))
(let $34 (DqCnParallelUnionAll (TDqOutput $26 '0)))
(let $35 (DqCnParallelUnionAll (TDqOutput $33 '0)))
(let $36 (lambda '($131 $132 $133 $134) (AsStruct '('"k1" $131) '('"k2" $132) '('"key" $133) '('"subkey" $134))))
(let $37 '('('"_logical_id" '4565) '('"_id" '"38d1bdb1-435770e3-2e4e1358-3af0ccc9") $24))
(let $38 (DqPhyStage '($34 $35) (lambda '($126 $127) (block '(
  (let $128 (Bool 'true))
  (let $129 (Sort (Extend (NarrowMap (ToFlow $126) $36) (NarrowMap (ToFlow $127) $36)) '($128 $128) (lambda '($135) '((Member $135 '"key") (Member $135 '"subkey")))))
  (let $130 (lambda '($136) (Member $136 '"k1") (Member $136 '"k2") (Member $136 '"key") (Member $136 '"subkey")))
  (return (FromFlow (ExpandMap $129 $130)))
))) $37))
(let $39 (DqCnMerge (TDqOutput $38 '0) '('('"2" '"Asc") '('"3" '"Asc"))))
(let $40 (DqPhyStage '($39) (lambda '($137) (FromFlow (NarrowMap (ToFlow $137) $36))) '('('"_logical_id" '4577) '('"_id" '"8d1d45c9-2a8d69dd-3bcb021d-89b1ae3e"))))
(let $41 '($19 $26 $30 $33 $38 $40))
(let $42 '('"key" '"subkey" '"k1" '"k2"))
(let $43 (DqCnResult (TDqOutput $40 '0) $42))
(return (KqpPhysicalQuery '((KqpPhysicalTx $41 '($43) '() '('('"type" '"generic")))) '((KqpTxResultBinding (ListType $23) '0 '0)) '('('"type" '"query"))))
)
