SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function arraySlice (alias topKExact) (children 1)
     ExpressionList (children 3)
      Function arrayReverseSort (children 1)
       ExpressionList (children 2)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 1)
            Identifier x
          Function tuple (children 1)
           ExpressionList (children 2)
            Function tupleElement (children 1)
             ExpressionList (children 2)
              Identifier x
              Literal UInt64_2
            Function tupleElement (children 1)
             ExpressionList (children 2)
              Identifier x
              Literal UInt64_1
        Function arrayZip (children 1)
         ExpressionList (children 1)
          Function untuple (children 1)
           ExpressionList (children 1)
            Function sumMap (children 1)
             ExpressionList (children 1)
              Function tuple (children 1)
               ExpressionList (children 2)
                Function array (children 1)
                 ExpressionList (children 1)
                  Identifier k
                Literal Array_[UInt64_1]
      Literal UInt64_1
      Literal UInt64_5
    Function arraySlice (alias topKWeightedExact) (children 1)
     ExpressionList (children 3)
      Function arrayReverseSort (children 1)
       ExpressionList (children 2)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 1)
            Identifier x
          Function tuple (children 1)
           ExpressionList (children 2)
            Function tupleElement (children 1)
             ExpressionList (children 2)
              Identifier x
              Literal UInt64_2
            Function tupleElement (children 1)
             ExpressionList (children 2)
              Identifier x
              Literal UInt64_1
        Function arrayZip (children 1)
         ExpressionList (children 1)
          Function untuple (children 1)
           ExpressionList (children 1)
            Function sumMap (children 1)
             ExpressionList (children 1)
              Function tuple (children 1)
               ExpressionList (children 2)
                Function array (children 1)
                 ExpressionList (children 1)
                  Identifier k
                Function array (children 1)
                 ExpressionList (children 1)
                  Identifier w
      Literal UInt64_1
      Literal UInt64_5
   ExpressionList (children 7)
    Identifier topKExact
    Identifier topKWeightedExact
    Function topK (alias topK_counts) (children 2)
     ExpressionList (children 1)
      Identifier k
     ExpressionList (children 3)
      Literal UInt64_3
      Literal UInt64_1
      Literal \'counts\'
    Function topKWeighted (alias topKWeighted_counts) (children 2)
     ExpressionList (children 2)
      Identifier k
      Identifier w
     ExpressionList (children 3)
      Literal UInt64_3
      Literal UInt64_1
      Literal \'counts\'
    Function approx_top_count (alias approx_top_count) (children 2)
     ExpressionList (children 1)
      Identifier k
     ExpressionList (children 2)
      Literal UInt64_3
      Literal UInt64_6
    Function approx_top_k (alias approx_top_k) (children 2)
     ExpressionList (children 1)
      Identifier k
     ExpressionList (children 2)
      Literal UInt64_3
      Literal UInt64_4
    Function approx_top_sum (alias approx_top_sum) (children 2)
     ExpressionList (children 2)
      Identifier k
      Identifier w
     ExpressionList (children 2)
      Literal UInt64_3
      Literal UInt64_4
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Function concat (alias k) (children 1)
            ExpressionList (children 3)
             Function countDigits (children 1)
              ExpressionList (children 1)
               Function multiply (children 1)
                ExpressionList (children 2)
                 Identifier number
                 Identifier number
             Literal \'_\'
             Function intDiv (children 1)
              ExpressionList (children 2)
               Function modulo (children 1)
                ExpressionList (children 2)
                 Identifier number
                 Literal UInt64_10
               Literal UInt64_7
           Identifier number (alias w)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_1000
 Identifier Vertical
