Re: [SQLObject] How do I update a many-to-many field?

[Oleg B. <ph...@ma...>]

On Fri, Dec 23, 2005 at 10:23:52PM +0000, Mike Kent wrote:
> author = Author("Geissel")
> book.addAuthor(author)
> 
> No, that's not right.  I just gave that book two authors.

   Yes, you did, and that's right. This is exactly what you did (not what
you meant).

> What I want is some kind of update that will properly handle the deletion of the
> previous author and addition of the new author to the magic book-to-author table

   Do you want to replace the author? Than you don't want many-to-many
relationship.

> Or at least a way for me to delete the previous
> author entries for this book

   book.removeAuthor(author)
   author.removeBook(book)

Oleg.
-- 
     Oleg Broytmann            http://phd.pp.ru/            ph...@ph...
           Programmers don't die, they just GOSUB without RETURN.