SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toFixedString (alias a) (children 1)
     ExpressionList (children 2)
      Literal \'!#$%&(*+,-./:<=>?@[^`{|}~\'
      Literal UInt64_25
 Identifier Markdown