SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function CAST (alias a) (children 1)
     ExpressionList (children 2)
      Literal UInt64_1
      Literal \'Enum(\\\'!#$%&(*+,-./:<=>?@[^`{|}~\\\' = 1)\'
 Identifier Markdown