SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 7)
    Literal \'constants: \'
    Literal \'\'
    Function byteSize (children 1)
     ExpressionList (children 1)
      Literal \'\'
    Literal \'a\'
    Function byteSize (children 1)
     ExpressionList (children 1)
      Literal \'a\'
    Literal \'abcde\'
    Function byteSize (children 1)
     ExpressionList (children 1)
      Literal \'abcde\'
