SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toUUIDOrDefault (children 1)
     ExpressionList (children 2)
      Literal \'-----61f0c404-5cb3-11e7-907b-a6006ad3dba0\'
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'59f0c404-5cb3-11e7-907b-a6006ad3dba0\'
        Literal \'UUID\'
