SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function byteSize (alias x) (children 1)
     ExpressionList (children 2)
      Identifier number
      Function plus (children 1)
       ExpressionList (children 2)
        Identifier number
        Literal UInt64_1
    Function isConstant (children 1)
     ExpressionList (children 1)
      Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
