SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Literal \'aes-128-ofb\' (alias mode)
    Function hex (children 1)
     ExpressionList (children 1)
      Function aes_encrypt_mysql (children 1)
       ExpressionList (children 4)
        Identifier mode
        Identifier input
        Identifier key32
        Identifier iv
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier encryption_test