SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function CAST (children 1)
     ExpressionList (children 2)
      Literal \'1234\' (alias lhs)
      Literal \'UInt32\' (alias rhs)
    Identifier lhs
    Identifier rhs
