SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function round (children 1)
     ExpressionList (children 2)
      Function quantileDD (children 2)
       ExpressionList (children 1)
        Function negate (children 1)
         ExpressionList (children 1)
          Identifier number
       ExpressionList (children 2)
        Literal Float64_0.01
        Literal Float64_0.99
      Literal UInt64_2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 2)
        Literal UInt64_1
        Literal UInt64_500
