SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier k
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier c
    Function max (children 1)
     ExpressionList (children 1)
      Identifier u
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 3)
           Identifier number (alias k)
           Function count (alias c) (children 1)
            ExpressionList
           Function uniqArray (alias u) (children 1)
            ExpressionList (children 1)
             Function range (children 1)
              ExpressionList (children 1)
               Function modulo (children 1)
                ExpressionList (children 2)
                 Identifier number
                 Literal UInt64_16
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 1)
                SelectQuery (children 3)
                 ExpressionList (children 1)
                  Asterisk
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    TableIdentifier system.numbers
                 Literal UInt64_1000000
          ExpressionList (children 1)
           Identifier k