SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 3)
    Function greater (alias total) (children 1)
     ExpressionList (children 2)
      Function sum (children 1)
       ExpressionList (children 1)
        Identifier cnt
      Literal UInt64_0
    Function arrayElement (children 1)
     ExpressionList (children 2)
      Identifier k
      Literal UInt64_1
    Function arrayElement (children 1)
     ExpressionList (children 2)
      Identifier k
      Literal UInt64_2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 4)
          ExpressionList (children 2)
           Function arrayMap (alias k) (children 1)
            ExpressionList (children 2)
             Function lambda (children 1)
              ExpressionList (children 2)
               Function tuple (children 1)
                ExpressionList (children 1)
                 Identifier x
               Function if (children 1)
                ExpressionList (children 3)
                 Function modulo (children 1)
                  ExpressionList (children 2)
                   Identifier x
                   Literal UInt64_3
                 Function toNullable (children 1)
                  ExpressionList (children 1)
                   Function plus (children 1)
                    ExpressionList (children 2)
                     Function modulo (children 1)
                      ExpressionList (children 2)
                       Identifier number
                       Literal UInt64_5
                     Identifier x
                 Literal NULL
             Function range (children 1)
              ExpressionList (children 1)
               Literal UInt64_3
           Function if (alias cnt) (children 1)
            ExpressionList (children 3)
             Function modulo (children 1)
              ExpressionList (children 2)
               Identifier number
               Literal UInt64_4
             Function toNullable (children 1)
              ExpressionList (children 1)
               Function rand (children 1)
                ExpressionList
             Literal NULL
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers_mt
          Function less (children 1)
           ExpressionList (children 2)
            Identifier number
            Literal UInt64_1000000
          Literal UInt64_1000000
   ExpressionList (children 1)
    Identifier k
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function arrayElement (children 1)
      ExpressionList (children 2)
       Identifier k
       Literal UInt64_2
   Set
 Identifier JSON