SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function normalizedQueryHash (children 1)
       ExpressionList (children 1)
        Literal \'SELECT 1 AS xyz111\'
      Function normalizedQueryHash (children 1)
       ExpressionList (children 1)
        Literal \'SELECT 2 AS xyz234\'
