SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Literal \'aes-128-ofb\' (alias mode)
    Function equals (children 1)
     ExpressionList (children 2)
      Function aes_decrypt_mysql (children 1)
       ExpressionList (children 4)
        Identifier mode
        Function aes_encrypt_mysql (children 1)
         ExpressionList (children 4)
          Identifier mode
          Identifier input
          Identifier key
          Identifier iv
        Identifier key
        Identifier iv
      Identifier input
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier encryption_test
