+ books = RelatedJoin('Book', otherColumn='book_id',
+ intermediateTable='author_book',
+ createRelatedTable=False)
+
+
+class AuthorBook(SQLObject):
+ class sqlmeta:
+ table = "author_book"
+ author = ForeignKey('Author', notNull=True, cascade=True)
+ book = ForeignKey('Book', notNull=True, cascade=True)
+ main_idx = DatabaseIndex(author, book, unique=True)