SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function randomStringUTF8 (children 1)
     ExpressionList (children 1)
      Function plus (children 1)
       ExpressionList (children 2)
        Function minus (children 1)
         ExpressionList (children 2)
          Literal UInt64_18446744073709551615
          Literal UInt64_1000
        Function multiply (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_2003
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
