(
(let $1 (DataSource '"yt" '"/Root/plato"))
(let $2 '('NativeYtTypeFlags '0))
(let $3 '('StrictSchema '1))
(let $4 '('UniqueKeys '0))
(let $5 (Bool 'true))
(let $6 '('SortDirections '($5 $5)))
(let $7 (DataType 'String))
(let $8 (YtMeta '('CanWrite '1) '('DoesExist '1) '('YqlCompatibleScheme '1) '('InferredScheme '0) '('IsDynamic '0)))
(let $9 '('ChunkCount '1))
(let $10 '('ModifyTime '0))
(let $11 '('Revision '0))
(let $12 '('"k2"))
(let $13 '('('"_logical_id" '1354) '('"_id" '"3132d33a-880c57ac-1d2d1e5e-5e978bd0") '('"_wide_channels" (StructType '('"k2" $7)))))
(let $14 (DqPhyStage '() (lambda '() (block '(
  (let $35 '@@["StructType";[["k2";["DataType";"String"]];["v2";["DataType";"String"]];["u2";["DataType";"String"]]]]@@)
  (let $36 '('"k2" '"v2"))
  (let $37 (YqlRowSpec $2 $3 $4 '('Type $35) $6 '('SortMembers $36) '('SortedBy $36) '('SortedByTypes '($7 $7))))
  (let $38 (YtStat '('Id '"Input2") '('RecordsCount '"16") '('DataSize '"518") $9 $10 $11))
  (let $39 (YtTable '"Input2" $37 $8 $38 '() (Void) (Void) '"/Root/plato"))
  (let $40 (YtReadTable! world $1 '((YtSection '((YtPath $39 $12 (Void) (Void))) '()))))
  (return (FromFlow (DqReadWideWrap $40 '())))
))) $13))
(let $15 (DqCnBroadcast (TDqOutput $14 '0)))
(let $16 '('Many 'Hashed 'Compact))
(let $17 (OptionalType $7))
(let $18 '('0))
(let $19 '('"a.k1"))
(let $20 '('('"_logical_id" '1442) '('"_id" '"60233b4f-491d6ed6-ff313c4b-1f7e9d60") '('"_wide_channels" (StructType '('"a.k1" $7) '('"b.k2" $7)))))
(let $21 (DqPhyStage '($15) (lambda '($41) (block '(
  (let $42 (NarrowSqueezeToDict (ToFlow $41) (lambda '($43) $43) (lambda '($44) (AsStruct '('"k2" $44))) $16))
  (return (FromFlow (FlatMap $42 (lambda '($45) (block '(
    (let $46 '@@["StructType";[["k1";["DataType";"String"]];["v1";["OptionalType";["DataType";"String"]]];["u1";["DataType";"String"]]]]@@)
    (let $47 '('"k1" '"v1"))
    (let $48 (YqlRowSpec $2 $3 $4 '('Type $46) $6 '('SortMembers $47) '('SortedBy $47) '('SortedByTypes '($7 $17))))
    (let $49 (YtStat '('Id '"Input1") '('RecordsCount '"23") '('DataSize '"745") $9 $10 $11))
    (let $50 (YtTable '"Input1" $48 $8 $49 '() (Void) (Void) '"/Root/plato"))
    (let $51 (YtReadTable! world $1 '((YtSection '((YtPath $50 '('"k1") (Void) (Void))) '()))))
    (return (MapJoinCore (DqReadWideWrap $51 '()) $45 'Inner $18 $12 '('0 '0) '('"k2" '1) $19 '('"b.k2")))
  ))))))
))) $20))
(let $22 '('"v3" $7))
(let $23 (StructType '('"k3" $17) $22))
(let $24 '('('"_logical_id" '1378) '('"_id" '"f585582c-86da901-92d8d5bb-dbf4cae0") '('"_wide_channels" $23)))
(let $25 (DqPhyStage '() (lambda '() (block '(
  (let $52 '@@["StructType";[["k3";["OptionalType";["DataType";"String"]]];["v3";["DataType";"String"]];["u3";["DataType";"String"]]]]@@)
  (let $53 '('"k3" '"v3"))
  (let $54 (YqlRowSpec $2 $3 $4 '('Type $52) $6 '('SortMembers $53) '('SortedBy $53) '('SortedByTypes '($17 $7))))
  (let $55 (YtStat '('Id '"Input3") '('RecordsCount '"6") '('DataSize '"194") $9 $10 $11))
  (let $56 (YtTable '"Input3" $54 $8 $55 '() (Void) (Void) '"/Root/plato"))
  (let $57 (YtReadTable! world $1 '((YtSection '((YtPath $56 $53 (Void) (Void))) '()))))
  (return (FromFlow (DqReadWideWrap $57 '())))
))) $24))
(let $26 (DqCnMap (TDqOutput $21 '0)))
(let $27 (DqCnBroadcast (TDqOutput $25 '0)))
(let $28 (StructType $22))
(let $29 '('('"_logical_id" '1621) '('"_id" '"b8d13e96-64ed4d18-d2450967-80edbaf5") '('"_wide_channels" $28)))
(let $30 (DqPhyStage '($26 $27) (lambda '($58 $59) (block '(
  (let $60 (SqueezeToDict (NarrowFlatMap (WideFilter (ToFlow $59) (lambda '($61 $62) (Exists $61))) (lambda '($63 $64) (IfPresent $63 (lambda '($65) (Just '($65 (AsStruct '('"k3" $63) '('"v3" $64))))) (Nothing (OptionalType (TupleType $7 $23)))))) (lambda '($66) (Nth $66 '0)) (lambda '($67) (Nth $67 '1)) $16))
  (return (FromFlow (WideSort (FlatMap $60 (lambda '($68) (MapJoinCore (WideMap (ToFlow $58) (lambda '($69 $70) $69)) $68 'Inner $18 '('"k3") '() '('"v3" '0) $19 '('"c.k3")))) '('('0 $5)))))
))) $29))
(let $31 (DqCnMerge (TDqOutput $30 '0) '('('0 '"Asc"))))
(let $32 (DqPhyStage '($31) (lambda '($71) (FromFlow (NarrowMap (ToFlow $71) (lambda '($72) (AsStruct '('"v3" $72)))))) '('('"_logical_id" '1633) '('"_id" '"5e6f24ce-b4e6838-33fe82b0-3cf90edf"))))
(let $33 '($14 $21 $25 $30 $32))
(let $34 (DqCnResult (TDqOutput $32 '0) '('"v3")))
(return (KqpPhysicalQuery '((KqpPhysicalTx $33 '($34) '() '('('"type" '"generic")))) '((KqpTxResultBinding (ListType $28) '0 '0)) '('('"type" '"query"))))
)
